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What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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How can I get query string values in JavaScript?
...here a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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TSQL - How to use GO inside of a BEGIN .. END block?
...ges from multiple development databases to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement.
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How to set top-left alignment for UILabel for iOS application?
I have added one label in my nib file, then its required to have top-left alignment for that lable. As I am providing text at runtime so its not sure that how much lines there are.
So if text contains only single line then it appears as vertical-center aligned. That alignment is not matching with my...
Change column type from string to float in Pandas
...options for converting types in pandas:
to_numeric() - provides functionality to safely convert non-numeric types (e.g. strings) to a suitable numeric type. (See also to_datetime() and to_timedelta().)
astype() - convert (almost) any type to (almost) any other type (even if it's not necessarily se...
Checkout old commit and make it a new commit [duplicate]
On Git, say I mess up my commits, and I want to make the version 3 commits ago as the new version. If I do git checkout xxxx , it creates a new branch and it seems like I can only merge it? Could I make this the new "master version"?
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Injecting a mock into an AngularJS service
I have an AngularJS service written and I would like to unit test it.
7 Answers
7
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Convert boolean to int in Java
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edited Apr 15 '18 at 18:23
kol
23.2k1010 gold badges6767 silver badges102102 bronze badges
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How to source virtualenv activate in a Bash script
...e, you're loading the activate script into your active shell.
When you do it in a script, you load it into that shell which exits when your script finishes and you're back to your original, unactivated shell.
Your best option would be to do it in a function
activate () {
. ../.env/bin/activate
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How to get the unique ID of an object which overrides hashCode()?
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System.identityHashCode(yourObject) will give the 'original' hash code of yourObject as an integer. Uniqueness isn't necessarily guaranteed. The Sun JVM implementation will give you a value which is related to the original memory address...