大约有 4,900 项符合查询结果（耗时：0.0232秒） [XML]
How to make --no-ri --no-rdoc the default for gem install?
...lt on Google" shows: ""... ERROR: Stack Overflow.
– Félix Saparelli
Sep 22 '11 at 6:53
I have to add my thanks for st...
What is the difference between float and double?
...sion respectively C/C++ long double is far more variable depending on your CPU, compiler and OS. Sometimes it's the same as double, sometimes it's some system-specific extended format, Sometimes it's IEEE quad precision.
– plugwash
Feb 8 '19 at 5:27
...
If a folder does not exist, create it
...h that name there. Hope that makes sense.
– Otávio Décio
Mar 14 '17 at 12:38
1
WRONG! I You MUS...
Are loops really faster in reverse?
...'t be able to optimize as good. Generally, it's limited by architecture or cpu registers that JIT uses. Initializing once and going down simply cleanest solution and that's why it's recommended all over the place.
– Pavel P
Oct 30 '12 at 18:28
...
Fastest way to convert Image to Byte array
...out compression artefacts, pick a lossless format. If you're worried about CPU resources, pick a format which doesn't bother compressing - just raw ARGB pixels, for example. But of course that will lead to a larger byte array.
Note that if you pick a format which does include compression, there's n...
Traverse a list in reverse order in Python
...terator over the original, no copy is created!
– André
Feb 9 '09 at 19:14
98
To avoid the confus...
Select Last Row in the Table
...ding all rows instead of just the one you need.
– René Roth
Sep 25 '18 at 13:49
...
In PHP, how do you change the key of an array element?
...reservation: stackoverflow.com/a/58619985/1617857
– Léo Benoist
Oct 30 '19 at 6:55
add a comment
|
...
How do I script a “yes” response for installing programs?
...
Be careful with yes as it is known to max out the CPU. stackoverflow.com/a/18164007/720665
– David Salamon
Aug 2 '16 at 9:44
...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
...
Here is a first try that's easy on the coder but hard on the CPU which prepends a random number to each line, sorts them and then strips the random number from each line. In effect, the lines are sorted randomly:
cat myfile | awk 'BEGIN{srand();}{print rand()"\t"$0}' | sort -k1 -n | c...