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Return a `struct` from a function in C
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The struct b line doesn't work because it's a syntax error. If you expand it out to include the type it will work just fine
struct MyObj b = a; // Runs fine
What C is doing here is essentially a memcpy from the source struct to the destination. This is true for both assig...
isset() and empty() - what to use
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Just check whether it is empty, php won't throw an error if this is not the case.
– Pez Cuckow
Aug 25 '11 at 13:59
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Selecting the first “n” items with jQuery
...etter. In my case, with jQuery 1.7 in Chrome 36, .slice(0, 20) failed with error:
RangeError: Maximum call stack size exceeded
I found that :lt(20) worked without error in this case. I had probably tens of thousands of matching elements.
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Check if database exists in PostgreSQL using shell
...ou try to create a database that already exists, postgresql will return an error message like this:
postgres@desktop:~$ createdb template1
createdb: database creation failed: ERROR: database "template1" already exists
sha...
How do I directly modify a Google Chrome Extension File? (.CRX)
...another location and when I tried to "Load unpacked extensions...", I got "Error Loading Extension"..."Manifest file is missing or unreadable".
– jbyrd
Nov 11 '15 at 5:16
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What is the best way to repeatedly execute a function every x seconds?
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@JavaSa: because "do your stuff" is not instantaneous and errors from time.sleep may accumulate here. "execute every X seconds" and "execute with a delay of ~X seconds repeatedly" are not the same. See also this comment
– jfs
Jan 25 '17 at 15:...
How to create .pfx file from certificate and private key?
...additional -in files resulting in the "No certificate matches private key" error message I was getting.
– dragon788
Mar 22 '18 at 2:56
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sho...
How to pass command line argument to gnuplot?
...contains lines such as plot 'data' using 0:($1/100). gnuplot dies with the error invalid expression because $1 is disappeared. Where am I wrong? Note that without -c, the script runs succefully.
– lorcap
Sep 30 '15 at 15:43
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What's the difference between “version number” in iTunes Connect, “bundle version”, “bundle version
...ubmitted a build with CFBundleVersion with "1.0.2 RC3" and it bounced with error message: "The bundle is invalid. The key CFBundleVersion in the Info.plist file must be a period-separated list of non-negative integers." I think the nn.n.nxnnn is the correct format to use, but haven't tried it out ye...
What does the Java assert keyword do, and when should it be used?
...ot throw an exception of the specified type. It can throw only an AssertionError. docs.oracle.com/javase/8/docs/technotes/guides/language/…
– Bakhshi
Jul 26 '17 at 0:45
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