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Immutable vs Unmodifiable collection
From the Collections Framework Overview :
8 Answers
8
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How to escape special characters in building a JSON string?
.... If you simply use language or library functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
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Using the “animated circle” in an ImageView while loading stuff
...);
mHandler.sendMessage(msg);
}
}
Finally get the state back from the thread when it is complete:
final Handler handler = new Handler() {
public void handleMessage(Message msg) {
int state = msg.getData().getInt("state");
if (state == 1){
dismissDialog(...
Is MD5 still good enough to uniquely identify files?
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Yes. MD5 has been completely broken from a security perspective, but the probability of an accidental collision is still vanishingly small. Just be sure that the files aren't being created by someone you don't trust and who might have malicious intent.
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Parsing Visual Studio Solution files
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@JeffG I am also using VS 2017. If I add Mircosoft.Build from the Assemblies tab in Add Reference, then I do not have access to SolutionFile. However, if I browse and reference the dll located in the folder above, then it does seem to work.
– Inrego
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Display milliseconds in Excel
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I've discovered in Excel 2007, if the results are a Table from an embedded query, the ss.000 does not work. I can paste the query results (from SQL Server Management Studio), and format the time just fine. But when I embed the query as a Data Connection in Excel, the format always g...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
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If the patch application fails and if the commits the diff was generated from are actually in your repo, you can use the -3 option of apply that tries to merge in the changes.
It also works with Unix pipe as follows:
git diff d892531 815a3b5 | git apply
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...es formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in Android A...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...es formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in Android A...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...es formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in Android A...