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Android App Not Install. An existing package by the same name with a conflicting signature is alread

...have an application in LIVE in playstore, now I kept installed that app in testing device and now For updating newer version of app I'm updating "versionno" and "versionname" in app build.gradle file. Now I have made an release build with signed key, now while im trying to install that build in it ...
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MySQL, Check if a column exists in a table with SQL

...questions/7384711/… for an example of how to wrap a procedure around the test for the column and the conditional DML statement. – Christopher Schultz Jul 23 '14 at 20:14 ...
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How to create a WPF UserControl with NAMED content

... xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:test="clr-namespace:user_Control_Name" xmlns:helper="clr-namespace:UI.Helpers" x:Name="mainWindow" Title="MainWindow" Height="350" Width="525"> <Grid> <test:TestUserCont...
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How to split csv whose columns may contain ,

...(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))"); String[] Fields = CSVParser.Split(Test); share | improve this answer | follow | ...
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Is if(items != null) superfluous before foreach(T item in items)?

...in turn degrades to enumerator to an interface making iteration slower. My test showed a factor 5 degradation for iteration over an int array. – CodesInChaos Jun 23 '11 at 14:41 ...
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Android: Difference between Parcelable and Serializable?

...eadInt(); name = source.readString(); address = source.createStringArrayList(); } @Override public int describeContents() { return 0; } @Override public void writeToParcel(Parcel dest, int flags) { dest.writeInt(age); dest.writeString...
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To Workflow or Not to Workflow?

...) Message correlation and messaged exchange patterns b) Workflows and unit testing In standard systems in C# for example a workflow is rarely explicit and therefore rarely unit tested. The overall workflow is left for testing by acceptance scenarios or integration. Introduce an explicit WF as a soft...
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Why are the Level.FINE logging messages not showing?

... my actual problem and it was not mentioned in any answer: some of my unit-tests were causing logging initialization code to be run multiple times within the same test suite, messing up the logging on the later tests. share ...
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How to do Base64 encoding in node.js?

...se64 = require('nodejs-base64-converter'); console.log(nodeBase64.encode("test text")); //dGVzdCB0ZXh0 console.log(nodeBase64.decode("dGVzdCB0ZXh0")); //test text share | improve this answer ...
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Write to .txt file?

... FILE *fp; char* str = "string"; int x = 10; fp=fopen("test.txt", "w"); if(fp == NULL) exit(-1); fprintf(fp, "This is a string which is written to a file\n"); fprintf(fp, "The string has %d words and keyword %s\n", x, str); fclose(fp); ...