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Regex to test if string begins with http:// or https://
...f choice.
– cdhowie
Jan 23 '16 at 2:05
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Run PostgreSQL queries from the command line
..., if you re-enter the same query you will have most likely create a syntax error.
As an experiment, try typing any garble you want at the psql prompt then hit enter. psql will silently provide you with a new line. If you enter a semicolon on that new line and then hit enter, then you will receive t...
Why should text files end with a newline?
...ooling only to the files that we author and open ourselves up to potential errors introduced by third party files.
Moral of the story: Engineer tooling that does not have the weakness of relying on EOL at EOF.
Feel free to post use cases as they apply to JS, HTML and CSS where we can examine how ...
How to get all subsets of a set? (powerset)
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How can I generate Unix timestamps?
Related question is "Datetime To Unix timestamp", but this question is more general.
18 Answers
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Commenting multiple lines in DOS batch file
... to be executed.Though the code thede will still be parsed
and some syntax errors will be detected (FOR,IF ,improperly closed brackets, wrong parameter expansion ..).So if it is possible it's better to use GOTO.
Though it is not possible to create a macro/variable used as a label - but is possible ...
PowerShell: Store Entire Text File Contents in Variable
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answered Nov 2 '11 at 8:05
Shay LevyShay Levy
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Using jQuery to compare two arrays of Javascript objects
I have two arrays of JavaScript Objects that I'd like to compare to see if they are the same. The objects may not (and most likely will not) be in the same order in each array. Each array shouldn't have any more than 10 objects. I thought jQuery might have an elegant solution to this problem, but I ...
I don't understand -Wl,-rpath -Wl,
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-Wl,-rpath,/path/to/foo -L/path/to/foo -lbaz
or you may end up with an error like
ld: cannot find -lbaz
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Dynamically load a JavaScript file
...jsFilePath;
document.body.appendChild(js);
var s = new MySuperObject();
Error : MySuperObject is undefined
Then you reload the page hitting F5. And it works! Confusing...
So what to do about it ?
Well, you can use the hack the author suggests in the link I gave you. In summary, for people in ...