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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
I'm apparently terrible at using git, despite my best attempts to understand it.
4 Answers
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How to set layout_weight attribute dynamically from code?
How can I set the value for the attribute layout_weight for button in android dynamically from java code ?
9 Answers
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Using LINQ to concatenate strings
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This answer shows usage of LINQ (Aggregate) as requested in the question and is not intended for everyday use. Because this does not use a StringBuilder it will have horrible performance for very long sequences. For regular code use String.Join as shown in the other answer
Use aggregate queries l...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
In Java, we have Collections.emptyList() and Collections.EMPTY_LIST . Both have the same property:
4 Answers
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Query for documents where array size is greater than 1
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2.Create extra field NamesArrayLength, update it with names array length and then use in queries:
db.accommodations.find({"NamesArrayLength": {$gt: 1} });
It will be better solution, and will work much faster (you can create index on it).
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Which is better, number(x) or parseFloat(x)?
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The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, while Number/+ is for coercing a value to a number. They behave differently. But first let's look at where they behave the same:
parseFloat('3'); // => 3
Number('3'...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...trange Exception when opening a BluetoothSocket on my Nexus 7 (2012), with Android 4.3 (Build JWR66Y, I guess the second 4.3 update). I have seen some related postings (e.g. https://stackoverflow.com/questions/13648373/bluetoothsocket-connect-throwing-exception-read-failed ), but none seems to prov...
Turn off Visual Studio Attach security warning when debugging IIS
...e Registry Key referenced above.
Make sure Visual Studio is not running, and open the Registry Editor.
Navigate to
HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\14.0\Debugger, right-click and create a new DWORD:
Name: DisableAttachSecurityWarning
Value: 1.
Update: If you don't want to ope...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...swer to this question, so I will provide my empirical data as a substitute and provide some ways to work around it. Maybe some MS insider will one day shed some light on this...
If HTTP Keep-Alive is disabled on the server, this issue goes away. In other words, your HTTP 1.1 server will respond to...
Differences between lodash and underscore [closed]
...nsistent cross-environment iteration support for arrays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation and unit tests (tests whi...