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HTML5 Canvas 100% Width Height of Viewport?
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display: block: Not only does this remove scrollbars, but it removes 2px from the document body's height, that are normally added under text lines inside a block. So +1 for that
– Neptilo
Dec 18 '14 at 13:41
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How to go up a level in the src path of a URL in HTML?
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I read that elsewhere as well- but it doesn't work! (at least in Chrome)
– aateeque
Jan 26 '11 at 22:44
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Installing in Homebrew errors
...ou'll ever need to sudo with Homebrew.
I'm not sure if the ruby one-liner does this. If it did, then something else on my system took control of /usr/local since.
Edit: I completely missed this, but @samvermette didn't (see replies to my answer): if you run this command above and have something in...
Why does direction of index matter in MongoDB?
...is negligible (especially compared to gains in read performance), but that doesn't mean that we can't be smart about creating our indexes.
How Indexes
Identifying what group of fields should be indexed together is about understanding the queries that you are running. The order of the fields used to ...
How to do a non-greedy match in grep?
...ter the quantifier. For example you can change .* to .*?.
By default grep doesn't support non-greedy modifiers, but you can use grep -P to use the Perl syntax.
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Differences in boolean operators: & vs && and | vs ||
...null) & (a.something == 3)){
}
"Short-circuiting" means the operator does not necessarily examine all conditions. In the above examples, && will examine the second condition only when a is not null (otherwise the whole statement will return false, and it would be moot to examine follow...
How to Join to first row
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This is the only answer I found that does a real "Left" join, meaning it does not add any more lines then is in the "Left" table. You just need to put in subquery and add "where RowNum is not null"
– user890332
May 10 '19 a...
How to get a microtime in Node.js?
... - its resolution are nanoseconds and therefore its much higher, also this doesn't mean it has to be more exact.
PS.: Just to be clearer, process.hrtime() returns you a tuple Array containing the current high-resolution real time in a [seconds, nanoseconds]
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When is assembly faster than C?
...28 for efficient code on 64-bit systems.
_umul128 on Windows 32 bits: MSVC doesn't always do a good job when multiplying 32-bit integers cast to 64, so intrinsics helped a lot.
C doesn't have a full-multiplication operator (2N-bit result from N-bit inputs). The usual way to express it in C is ...
Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
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