大约有 31,000 项符合查询结果（耗时：0.0244秒） [XML]
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...ect happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e. how much assembler instructions are there likely and how much time do they take (in the case that t...
How to find the largest file in a directory and its subdirectories?
...
The first solution didn't work on OS X for me, so i ended up using a quick hack to filter out the directories from the third solution: du -am . | sort -nr | grep '\..*\.' | head. The m is to display file size in megabytes and used grep to show lines with at l...
Excluding directory when creating a .tar.gz file
...
answered Nov 27 '10 at 4:53
Victor ParmarVictor Parmar
5,13355 gold badges2828 silver badges3535 bronze badges
...
for each loop in Objective-C for accessing NSMutable dictionary
...
answered Jan 27 '10 at 5:43
Quinn TaylorQuinn Taylor
43.3k1515 gold badges107107 silver badges127127 bronze badges
...
How can I stop .gitignore from appearing in the list of untracked files?
...
The .gitignore file should be in your repository, so it should indeed be added and committed in, as git status suggests. It has to be a part of the repository tree, so that changes to it can be merged and so on.
So, add it to your repository, it should not be gitig...
Maximum packet size for a TCP connection
...
Also, it is possible to boost it up by using window scaling. In that case the maximum is 1 GiB
– Martin Melka
Apr 24 '14 at 10:59
...
How do i create an InstallShield LE project to install a windows service?
...
Is it possible to have a dialog asking the user for the database connection string (Server, authentication and database name) and update the windows service configuration file using InstallShield LE?
– Adelia B...
dd: How to calculate optimal blocksize? [closed]
...K 1M 2M 4M 8M 16M 32M 64M
for BLOCK_SIZE in 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 16777216 33554432 67108864
do
# Calculate number of segments required to copy
COUNT=$(($TEST_FILE_SIZE / $BLOCK_SIZE))
if [ $COUNT -le 0 ]; then
echo ...
How can I make my own base image for Docker?
...
answered Aug 16 '13 at 17:27
creackcreack
91k1111 gold badges8686 silver badges7070 bronze badges
...
How can HTML5 “replace” Flash? [closed]
...
NickolayNickolay
27.1k77 gold badges8787 silver badges152152 bronze badges
...