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How to use > in an xargs command?
...2k because when you don't use -0, xargs will take your filenames and break all the spaces, quotes and backslashes in them. You should just forget about xargs as a tool. If you have lines, use a bash loop to iterate the lines: while read line; do <command> "$REPLY"; done < file-with-lines...
Better way of getting time in milliseconds in javascript?
...y Date.now().
The skipping is most likely due to garbage collection. Typically garbage collection can be avoided by reusing variables as much as possible, but I can't say specifically what methods you can use to reduce garbage collection pauses.
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How do you organize your version control repository?
... a project directly reference another project or any of its contents--only allow references to the primary deliverables in the "output" directory (see above).
Make every project build script reference its required build tools by a configurable and fully-versioned absolute path: %DirToolRoot%\ToolA\...
Releasing memory in Python
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Memory allocated on the heap can be subject to high-water marks. This is complicated by Python's internal optimizations for allocating small objects (PyObject_Malloc) in 4 KiB pools, classed for allocation sizes at multiples of 8 by...
Good Hash Function for Strings
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Usually hashes wouldn't do sums, otherwise stop and pots will have the same hash.
and you wouldn't limit it to the first n characters because otherwise house and houses would have the same hash.
Generally hashs take values and...
Can I set background image and opacity in the same property?
... Yeah, the big problem with a PNG is the size. It is likely going to be really large. Now that we can specify opacity: ... in all browsers, it way better!
– Alexis Wilke
Jul 1 '17 at 23:49
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Convert data.frame columns from factors to characters
I have a data frame. Let's call him bob :
18 Answers
18
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std::back_inserter for a std::set?
...s2, s2.begin()), ExcitingUnaryFunctor());
The insert iterator will then call s2.insert(s2.begin(), x) where x is the value passed to the iterator when written to it. The set uses the iterator as a hint where to insert. You could as-well use s2.end().
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Is there a way to detect if a browser window is not currently active?
I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run.
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Fixed width buttons with Bootstrap
...th.
If the parent is a fixed width element the button will expand to take all width. You can apply existing markup to the container to ensure fixed/fluid buttons take up only the required space.
<div class="span2">
<p><button class="btn btn-primary btn-block">Save</button>&...