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How to delete from a text file, all lines that contain a specific string?
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One more note for Mac OS X users: for some reason, the -i flag requires an argument to be passed, even if it's just an empty string, like sed -i '' '/pattern/d' ./infile.
– geerlingguy
Oct 2...
Why use prefixes on member variables in C++ classes
...r (because the usage changes from var. to var-> and you have to be much more careful with pointers - NULLs, pointer arithmetic, etc), but all the others are very handy.
For example, you can use the same variable name in multiple ways in a single function: (here a C++ example, but it applies equa...
Access-Control-Allow-Origin Multiple Origin Domains?
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Hard reset of a single file
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-- basically means: treat every argument after this point as a file name. More details in this answer. Thanks to VonC for pointing this out.
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Where to put model data and behaviour? [tl; dr; Use Services]
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The last example kind of sucked, this one makes more sense. I edited it.
– Andrew Joslin
Jun 21 '12 at 1:56
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“Large data” work flows using pandas
...te new columns, save these.
(Giving a toy example could enable us to offer more specific recommendations.)
After that processing, then what do you do? Is step 2 ad hoc, or repeatable?
Input flat files: how many, rough total size in Gb. How are these organized e.g. by records? Does each one contains ...
how do i block or restrict special characters from input fields with jquery?
...searching the issue and will update my answer or comment here when I learn more.
– rexmac
Mar 19 '15 at 23:23
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Check if a div exists with jquery [duplicate]
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@NiklasEkman - I agree that maintainability is more important than precise code, yet I was not generalising. I guess I was not being clear enough. In the case of testing the length of a collection, for positive non-zero it seems to me that .length defeats .length > 0, ...
Is it possible to ping a server from Javascript?
...age load goes up to a full 60s (for 8 entries, it will scale linearly with more).
17 Answers
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How do I get the coordinates of a mouse click on a canvas element?
...s pretty old and it uses checks for old browsers that are not necessary anymore, as the clientX and clientY properties work in all current browsers. You might want to check out Patriques Answer for a simpler, more recent solution.
Original Answer:
As described in an article i found back then but ex...