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Nested function in C
...nction, but it's not a nested function.
gcc has a language extension that allows nested functions. They are nonstandard, and as such are entirely compiler-dependent.
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CSS: Truncate table cells, but fit as much as possible
... Thanks! Doesn't do exactly what the question said (truncate all columns evenly), but the behaviour of this code is what I was looking for.
– Sam
Nov 12 '15 at 5:55
3...
What is Cache-Control: private?
...getting the cached version for 15 seconds. If it's a corporate proxy, then all 67198 users hitting the same page in the same 15-second window will all get the same contents - all served from close cache. Performance win for everyone.
The virtue of adding Cache-Control: max-age is that the browser d...
getResourceAsStream returns null
...f the file you want to load inside the JAR (and thus also make sure it actually added to the JAR)
use either an absolute path: path starts at the root of the JAR
use an relative path: path starts at the package directory of the class you're calling getResource/ getResoucreAsStream
And try:
Lifepa...
How to specify more spaces for the delimiter using cut?
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Actually awk is exactly the tool you should be looking into:
ps axu | grep '[j]boss' | awk '{print $5}'
or you can ditch the grep altogether since awk knows about regular expressions:
ps axu | awk '/[j]boss/ {print $5}'
But...
JPG vs. JPEG image formats
... Photographic Expert Group File Format was ‘.jpeg’; however in Windows all files required a three letter file extension. So, the file extension was shortened to ‘.jpg’. However, Macintosh was not limited to three letter file extensions, so Mac users used ‘.jpeg’. Eventually, with upgrade...
MySQL dump by query
...he database by query. What he asked and what he meant were different. He really wanted to just mysqldump all tables.
mysqldump --tables myTable --where="id < 1000"
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elasticsearch v.s. MongoDB for filtering application [closed]
...to elastic. Our use case differs from yours in that our Mongo data changes all the time: a record, or a subset of the fields of a record, can be updated several times a day and this can call for re-indexing of that record to elastic. For that reason alone, using elastic as the sole data store is not...
How do I put two increment statements in a C++ 'for' loop?
...us:
for(int i = 0; i != 5; ++i,++j)
do_something(i,j);
But is it really a comma operator?
Now having wrote that, a commenter suggested it was actually some special syntactic sugar in the for statement, and not a comma operator at all. I checked that in GCC as follows:
int i=0;
int a=5;
int...
How can I add a string to the end of each line in Vim?
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Is there a way to insert '' at the same column, since all lines are not of same length, so line 1 might have '' at 15th column, but line 2 has '*' at 25th column.
– Aman Jain
Jul 21 '10 at 20:41
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