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Which equals operator (== vs ===) should be used in JavaScript comparisons?
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The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal.
Reference: Javascript Tutorial: Comparison Operators
The == opera...
Any decent text diff/merge engine for .NET? [closed]
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You can grab the COM component that uses Google's Diff/Patch/Match. It works from .NET.
Update, 2010 Oct 17: The Google Diff/Patch/Merge code has been ported to C#. The COM component still works, but if you're coming from .NET, you'll wanna use the .NET port directly.
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Back to previous page with header( “Location: ” ); in PHP
...question kind of explains my question. How do I redirect the PHP page visitor back to their previous page with the header( "Location: URL of previous page" );
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How can I replace every occurrence of a String in a file with PowerShell?
...mp\test.txt).replace('[MYID]', 'MyValue') | Set-Content c:\temp\test.txt
Or for V2:
(Get-Content c:\temp\test.txt) -replace '\[MYID\]', 'MyValue' | Set-Content c:\temp\test.txt
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Running a specific test case in Django when your app has a tests directory
...s to run like:
python manage.py test another.test:TestCase.test_method
or as noted in comments, use the syntax:
python manage.py test another.test.TestCase.test_method
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Handling warning for possible multiple enumeration of IEnumerable
...ed to use an IEnumerable<> several times thus get the Resharper error of "Possible multiple enumeration of IEnumerable ".
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Python Threading String Arguments
...ssLine, args=(dRecieved,)) # <- note extra ','
processThread.start()
Or use brackets to make a list:
dRecieved = connFile.readline()
processThread = threading.Thread(target=processLine, args=[dRecieved]) # <- 1 element list
processThread.start()
If you notice, from the stack trace: se...
android EditText - finished typing event
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When the user has finished editing, s/he will press Done or Enter
((EditText)findViewById(R.id.youredittext)).setOnEditorActionListener(
new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
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How to search in array of object in mongodb
...: {award:'National Medal', year:1975}}})
$elemMatch allows you to match more than one component within the same array element.
Without $elemMatch mongo will look for users with National Medal in some year and some award in 1975s, but not for users with National Medal in 1975.
See MongoDB $elemMa...
What is a StackOverflowError?
What is a StackOverflowError , what causes it, and how should I deal with them?
15 Answers
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