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Explanation of JSONB introduced by PostgreSQL
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+50
First, hstore is a contrib module, which only allows you to store key => value pairs, where keys and values can only be texts (howe...
Inherit docstrings in Python class inheritance
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answered Jan 8 '10 at 4:51
John FeminellaJohn Feminella
272k3939 gold badges320320 silver badges337337 bronze badges
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...votesRef.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaSc...
Making custom right-click context menus for my web-app
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+100
I know this question is very old, but just came up with the same problem and solved it myself, so I'm answering in case anyone finds ...
When do we need to set ProcessStartInfo.UseShellExecute to True?
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209
The UseShellExecute boolean property is related to the use of the windows ShellExecute function...
Does deleting a branch in git remove it from the history?
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answered Apr 10 '10 at 15:57
CB BaileyCB Bailey
610k9090 gold badges596596 silver badges628628 bronze badges
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Difference between .keystore file and .jks file
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204
Ultimately, .keystore and .jks are just file extensions: it's up to you to name your files sens...
How to find nth occurrence of character in a string?
...ng substr, int n) {
int pos = str.indexOf(substr);
while (--n > 0 && pos != -1)
pos = str.indexOf(substr, pos + 1);
return pos;
}
This post has been rewritten as an article here.
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Add disabled attribute to input element using Javascript
...t").attr("disabled", true); as of... I don't know any more.
It's December 2013 and I really have no idea what to tell you.
First it was always .attr(), then it was always .prop(), so I came back here updated the answer and made it more accurate.
Then a year later jQuery changed their minds again and...
difference between offsetHeight and clientHeight
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206
clientHeight:
Returns the height of the visible area for an object, in pixels. The value co...