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How do I make CMake output into a 'bin' dir?
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Wow. @ashrasmun saved me from going insane after a few hours. Absolutely nothing was working until coming to the realization that the order of these commands is very relevant.
– arthropod
Dec 28 '19 at 0:06
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How is “int main(){(([](){})());}” valid C++?
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The code essentially calls an empty lambda.
Let's start from the beginning: [](){} is an empty lambda expression.
Then, in C and C++, you can wrap expressions in parens and they behave exactly the same† as if written without them, so that's what the first pair of parens around ...
Count character occurrences in a string in C++
...ight despite my trolling and that answers like mine did not discourage you from participating on the site.
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how to set cursor style to pointer for links without hrefs
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This is how change the cursor from an arrow to a hand when you hover over a given object (myObject).
myObject.style.cursor = 'pointer';
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Java array reflection: isArray vs. instanceof
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I recently ran into an issue upgrading a Groovy application from JDK 5 to JDK 6. Using isArray() failed in JDK6:
MissingMethodException:
No signature of sun.reflect.generics.reflectiveObjects.GenericArrayTypeImpl.isArray() ...
Changing to instanceof Object[] fixed this.
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IPC performance: Named Pipe vs Socket
...y path first, carefully isolating the IPC mechanism so that you can change from socket to pipe, but I would definitely go with socket first.
You should be sure IPC performance is a problem before preemptively optimizing.
And if you get in trouble because of IPC speed, I think you should consider sw...
Renaming columns in pandas
...df
X Y c d e
0 x x x x x
1 x x x x x
2 x x x x x
From v0.25, you can also specify errors='raise' to raise errors if an invalid column-to-rename is specified. See v0.25 rename() docs.
REASSIGN COLUMN HEADERS
Use df.set_axis() with axis=1 and inplace=False (to return a copy)...
Create an empty object in JavaScript with {} or new Object()?
...eate(null) can be useful for creating a blank object, whereas { } inherits from the Object prototype.
– Meow
Sep 15 '16 at 18:45
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Insert string at specified position
...e a short explanation in your post maybe. I'll do it now and copy'n'paste from php.net: "Of course, if length is zero then this function will have the effect of inserting replacement into string at the given start offset."
– Wolfsblvt
Jan 23 '15 at 23:55
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Textarea Auto height [duplicate]
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If you add some additional height it will stop the text from scrolling for the split second before the element is resized. (element.scrollHeight+20)+"px";
– Nicholas
Sep 21 '15 at 6:40
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