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Tuesday, December 20, 2016

Error while launching the activity Android Studio

Hi , I am working with android studio with multiple applications, i got an issue after changing the package name and running the application through android studio. I could not able to run..... I restarted the studio, but not resolved. I followed these steps. 1. First remove the directory ~/.gradle/caches/ I am using mac, so open terminal, rm -rf ~/.gradle/caches/ - It removes 2....

Sunday, November 13, 2016

ionic.bundle.js:26794 TypeError: $q.defer is not a function

ionic.bundle.js:26794 TypeError: $q.defer is not a function var defer = $q.defer();...

Tuesday, November 8, 2016

!-- var numQues = 1; var numChoi = 3; var answers = new Array(1); answers[0] = "Angular "; function getScore(form) { var score = 0; var currElt; var currSelection; for (i=0; inumQues; i++) { currElt = i*numChoi; for (j=0; jnumChoi; j++) { currSelection = form.elements[currElt + j]; if (currSelection.checked) { if (currSelection.value == answers[i]) { ...

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.apache.cordova.CordovaPlugin.privateInitialize(java.lang.String, org.apache.cordova.CordovaInterface, org.apache.cordova.CordovaWebView

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.apache.cordova.CordovaPlugin.privateInitialize(java.lang.String, org.apache.cordova.CordovaInterface, org.apache.cordova.CordovaWebView, org.apache.cordova.CordovaPreferences)' on a null object refere...

Monday, November 7, 2016

Session 'android': Error Launching activity

Session 'android': Error Launching activi...

Saturday, October 1, 2016

set org.gradle.jvmargs=-Xmx1536M in the project gradle.properties

To run dex in process, the Gradle daemon needs a larger heap. It currently has 1024 MB. For faster builds, increase the maximum heap size for the Gradle daemon to at least 1536 MB. To do this set org.gradle.jvmargs=-Xmx1536M in the project gradle.properties. For more information see https://docs.gradle.org/current/userguide/build_environment.ht...

Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat$AccessibilityServiceInfoVersionImpl

FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':transformClassesWithDexForRelease'. > com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: java.lang.UnsupportedOperationException * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug...

Error running android: Instant Run requires 'Tools

Error running android: Instant Run requires 'Tools | Android | Enable ADB integration' to be enabled. Android studio > Tools > Enable ADB integration This will resolve the issue...

Unable to start the daemon process.-Android studio

Error:Failed to complete Gradle execution. Cause: Unable to start the daemon process. This problem might be caused by incorrect configuration of the daemon. For example, an unrecognized jvm option is used. Please refer to the user guide chapter on the daemon at https://docs.gradle.org/2.14.1/userguide/gradle_daemon.html Please read the following process output to find out more: ----------------------- Java...

Monday, September 26, 2016

Timeout waiting for endpoint response aws api gateway

Response Body { "logref": "19960923-8472-11e6-a362-1f0b47fa1a56", "message": "Timeout waiting for endpoint response" }...

Saturday, September 24, 2016

"message": "Unknown endpoint error." AWS Api gateway

"message": "Unknown endpoint error....

Tuesday, September 13, 2016

Ssl issue -server rejected the handshake

I am trying to implement ssl, The server rejected the handshake because the client downgraded to a lower TLS version than the server supports. Error code: SSL_ERROR_INAPPROPRIATE_FALLBACK_ALERT. I didnt set certificate path to https. so got this error. ...

Wednesday, August 31, 2016

Api gateway - Api key- 403- "message": "Forbidden"

Aws api gateway with api giving the following error  {"message": "Forbidden"}  I am working with aws api gateway with nodejs as server. I defined my api using swagger yaml and  deployed to aws api gateway. Next step is to implement authentication to the api. Api gateway itself providing authentication mechanism. Using api key to authenticate the request. if API keys are enabled,...

Tuesday, August 23, 2016

Oracle database vs MongoDB

Oracle Database: Oracle uses structured query language for database access.It will store data in tables. It follows predefined schema and set up rules to govern the relationships. MongoDB Database: MongoDB stores data as JSON format. All the related information is stored together for faster data access. At any time, you can change the structure of records by adding new fields. It is a database...

Monday, August 8, 2016

QR Code Maximum payload/data

 Maximum data qr code can store depends on the following factors.Data type,Number of pixels and error correction level. Numeric only - Maximum 7,089 characters (0,1,2...9) Alpha Numeric - Maximum 4,296 characters (0–9, A–Z [upper-case only], space, $, %, *, +, -, ., /, :) Binary/byte   - Maximum 2,953 character...

Tuesday, August 2, 2016

Operators in Swift

Operators: An Operator a special symbol that tells the compiler to perform mathematical or logical operations. Assignment Operator: The assignment operator (a=b) initailizes or updates the vlaue of a with a vlue of b. let b = 12 var a = 10 a = b  // a is now 12 Arithmetic Operators : Swift supports 4 arithmetic operators. Addition Subtraction Multiplication Division Remainder...

Swift Basics

Swift is an Open Source, powerful language for mac OS, iOS. Swift 3 is the major release developed at Swift.org. Declaring Constants : let maximumMembers = 5 var minimumMembers = 2 let pi = 3.1416 Type Annotations : var username: String username = "Srinivas Nidadavolu" println(username) // prints Srinivas Nidadavolu Constant value cannot be changed. var username = "SRINIVAS...

Saturday, July 30, 2016

Push notifications - GCM- MismatchSenderId

{ multicast_id: 7577665675695298000,   success: 0,   failure: 1,   canonical_ids: 0,   results: [ { error: 'MismatchSenderId' } ] } { multicast_id: 7058249237348086000,   success: 0,   failure: 1,   canonical_ids: 0,   results: [ { error: 'InvalidRegistration' } ] }...

Saturday, July 23, 2016

StoryBoard ViewController -setting initial view

 Failed to instantiate the default view controller for UIMainStoryboardFile 'Main' - perhaps the designated entry point is not set? Select the main viewcontroller, Select Attribute Inspector and set initial view. It is an entry point. ...

Sunday, May 29, 2016

Error: [$interpolate:noconcat] Error while interpolating: {{url}}{{item.imageurl}} Strict Contextual Escaping disallows interpolations that concatenate multiple expressions when a trusted value is required.  See&nbs...

Friday, May 27, 2016

       process.nextTick(function() { throw err; })                                       ^ MongoError: Error connecting to database: connection 1847 to localhost:27017 closed     at Function.MongoError.create (/node_modules/...

MEAN stack issue

(node) warning: possible EventEmitter memory leak detected. 11 reconnect listeners added. Use emitter.setMaxListeners() to increase limit...

Saturday, May 21, 2016

Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file ...

Wednesday, May 18, 2016

guard init phantomjs-jasmine ERROR - Error is: No such file or directory @ rb_sysopen

RubyDep: WARNING: Your Ruby is outdated/buggy. (To disable warnings, set RUBY_DEP_GEM_SILENCE_WARNINGS=1)RubyDep: WARNING: Your Ruby is: 2.3.0 (buggy). Recommendation: install 2.3.1.21:47:06 - INFO - Writing new Guardfile to C:/Users/Guardfile21:47:06 - INFO - Run 'gem install win32console' to use color on Windows21:47:06 - ERROR - Could not load 'guard/phantomjs-jasmine' or '~/.guard/templates/phantomjs-jasmine'...

gem install guard-livereload on windows machine

gem install guard-livereloadERROR:  Error installing guard-livereload:        The 'http_parser.rb' native gem requires installed ........ use gem install guard guard-livereload w...

Tuesday, May 17, 2016

Ionic framework- facebook login- ReferenceError: Can't find variable: $q

I got an issue after integrating facebooking login, for first time, app redirecting to facebook login and getting profile data , but second time, throwing this issue. ReferenceError: Can't find variable: ...

Monday, May 9, 2016

Unable to install Cordova plugin- Failed to install 'cordova-plugin-camera':Error: EACCES: permission denied, open

npm ERR! Error: EACCES: permission denied, symlink '../cordova/bin/cordova' -> '/Users/in074811/Documents/node_modules/.bin/cordova' npm ERR!     at Error (native) npm ERR!  { [Error: EACCES: permission denied, symlink '../cordova/bin/cordova' -> '/Users/in074811/Documents/node_modules/.bin/cordova'] npm ERR!   errno: -13, npm ERR!   code: 'EACCES', npm ERR!  ...

Friday, May 6, 2016

ionic google signin decidePolicyForNavigationAction

WebKit discarded an uncaught exception in the webView:decidePolicyForNavigationAction:request:frame:decisionListener: delegate: <NSInvalidArgumentException> Your app is missing support for the following URL schemes:  I am integrating google signin sdk with ionic.  Solution: Info.plist:                    <key>CFBundleURLSchemes</key> ...

Thursday, May 5, 2016

Could not attach to pid:"27798"

unable to attach. iphone simulator issue. Solution:  reset the Simulator content and settings will solve the issu...

Renamed Cordova Plugins from org.apache.cordova.device to cordova-plugin-device

Error: Registry returned 404 for GET on https://registry.npmjs.org/org.apache.cordova.device Issue is due to Renamed Cordova Plugins  from org.apache.cordova.device to  cordova-plugin-devic...

Permission issue for ionic

Error: EACCES: permission denied, open '/Users/in074811/.cordova/lib/npm_cache/cordova-ios/4.1.1/package/.npmignore' Error during untar for /.cordova/lib/npm_cache/cordova-ios/4.1.1/package.tgz: Error: EACCES: permission denied, open '/Users/in074811/.cordova/lib/npm_cache/cordova-ios/4.1.1/package/.npmignore' Error: Failed to fetch platform ios Probably this is either a connection problem,...

The operation could'nt be completed.(LaunchServicesError error 0.)

The operation could'nt be completed.(LaunchServicesError error 0...

Error: Start Page at 'www/index.html' was not found issue in xcode

Error: Start Page at 'www/index.html' was not found I got this issue while building cordova based application for ios. I resolved it by providing proper path to index....

Saturday, January 23, 2016

MongoDB Failed to connect to 127.0.0.1:27017, reason: errno:61 Connection refused

mongo MongoDB shell version: 3.0.7 connecting to: test 2016-01-23T21:14:51.955+0530 W NETWORK  Failed to connect to 127.0.0.1:27017, reason: errno:61 Connection refused 2016-01-23T21:14:51.957+0530 E QUERY    Error: couldn't connect to server 127.0.0.1:27017 (127.0.0.1), connection attempt failed     at connect (src/mongo/shell/mongo.js:179:14)     at (connect):1:6...

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