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Why a function checking if a string is empty always returns true? [closed]
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edited Jan 10 '12 at 21:35
axel22
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How to check if a table exists in a given schema
...w, thanks.
– Erwin Brandstetter
Jan 10 '17 at 4:48
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Is it faster to count down than it is to count up?
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answered May 12 '10 at 22:36
Norman RamseyNorman Ramsey
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
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answered Jul 26 '10 at 19:11
ArtefactoArtefacto
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Pinging servers in Python
... my modem is off??? That's testing "8.8.8.8" and "google.com" on a Windows 10 OS. Something is not quite right.
– Markus
Nov 10 '18 at 6:23
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What is an idempotent operation?
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1009
In computing, an idempotent operation is one that has no additional effect if it is called mo...
Trim last character from a string
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answered Aug 26 '10 at 8:25
Damian Leszczyński - VashDamian Leszczyński - Vash
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How can I install Apache Ant on Mac OS X?
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answered Jul 11 '10 at 12:09
Michael Aaron SafyanMichael Aaron Safyan
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...NaN" (§9.8.1):
If m is NaN, return the String "NaN".
Following step 10 of §15.4.4.5, we get 15 repetitions of the concatenation of "NaN" and the empty string, which equals the result you're seeing.
When using "wat" + 1 instead of "wat" - 1 as argument, the addition operator converts 1 to a s...
Regular expressions in C: examples?
...s):
#include <regex.h>
regex_t regex;
int reti;
char msgbuf[100];
/* Compile regular expression */
reti = regcomp(&regex, "^a[[:alnum:]]", 0);
if (reti) {
fprintf(stderr, "Could not compile regex\n");
exit(1);
}
/* Execute regular expression */
reti = regexec(&regex,...