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Why would a JavaScript variable start with a dollar sign? [duplicate]
...(_) are permitted anywhere in an IdentifierName.
As such, the $ sign may now be used freely in variable names. Certain frameworks and libraries have their own conventions on the meaning of the symbol, noted in other answers here.
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jQuery post() with serialize and extra data
...) and add the missing data:
var data = $('#myForm').serializeObject();
// now add some additional stuff
data['wordlist'] = wordlist;
$.post('/page.php', data);
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Manually put files to Android emulator SD card
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Ënable clip board sharing is not there now :/
– Umer Asif
Aug 4 '17 at 11:21
damn!...
Git fetch remote branch
...ess for me, it created a local branch named origin/<branch> which is now ambiguous to the remote branch origin/<branch> and I don't know how to get rid of the crazy local branch!
– Alan Moore
Jul 9 '15 at 17:00
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Can't find the PostgreSQL client library (libpq)
...hat worked for me. I've been trying to resolve this issue for an hour plus now, and this code is what did it - ARCHFLAGS="-arch x86_64" bundle install
– piratetone
Apr 5 '16 at 22:40
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Check whether number is even or odd
...umber is even or odd? I've been wanting to figure this out for a long time now and haven't gotten anywhere.
16 Answers
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Adding Only Untracked Files
...l files to the index, but without their content. Files that were untracked now behave as if they were tracked. Their content will be displayed in git diff, and you can add then interactively with git add -p.
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What are the drawbacks of Stackless Python? [closed]
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I don't know where that "Stackless is 10% faster" on the Wiki came from, but then again I've never tried to measure those performance numbers. I can't think of what Stackless does to make a difference that big.
Stackless is an amazin...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
... might find in knockout or other MVVM style libraries. Essentially, React knows when to re-render the scene because it is able to observe when this data changes. Dirty checking is slower than observables because you must poll the data at a regular interval and check all of the values in the data str...
Getting Java version at runtime
...= version.substring(0, dot); }
} return Integer.parseInt(version);
}
Now you can check the version much more comfortably:
if(getVersion() < 6) {
// ...
}
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