大约有 40,000 项符合查询结果(耗时:0.0382秒) [XML]
How should I log while using multiprocessing in Python?
...that its log goes to a different file descriptor (to disk or to pipe.) Ideally, all log entries should be timestamped.
Your controller process can then do one of the following:
If using disk files: Coalesce the log files at the end of the run, sorted by timestamp
If using pipes (recommended): C...
rsync: difference between --size-only and --ignore-times
...cp's the file. However, what if the metadata do match but files aren't actually the same? Then rsync probably didn't do what you intended.
Files that are the same size may still have changed. One simple example is a text file where you correct a typo -- like changing "teh" to "the". The file size i...
Remove whitespaces inside a string in javascript
...
For space-character removal use
"hello world".replace(/\s/g, "");
for all white space use the suggestion by Rocket in the comments below!
share
|
improve this answer
|
f...
How is Math.Pow() implemented in .NET Framework?
...k at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
4 Answers
...
Uninstall old versions of Ruby gems
...
# remove all old versions of the gem
gem cleanup rjb
# choose which ones you want to remove
gem uninstall rjb
# remove version 1.1.9 only
gem uninstall rjb --version 1.1.9
# remove all versions less than 1.3.4
gem uninstall rjb --v...
Clang optimization levels
...ass=Arguments
As pointed out in Geoff Nixon's answer (+1), clang additionally runs some higher level optimizations, which we can retrieve with:
echo 'int;' | clang -xc -O3 - -o /dev/null -\#\#\#
Documentation of individual passes is available here.
With version 6.0 the passes are as follow...
Lock Escalation - What's happening here?
... to take fewer, larger locks (e.g. entire table) instead of locking many smaller things (e.g. row locks).
But this can be problematic when you have a huge table, because taking a lock on the entire table may lock out other queries for a long time. That's the tradeoff: many small-granularity locks...
Is there a naming convention for Django apps
...-app" would be a syntax error). PEP 8 says:
Modules should have short, all-lowercase names. Underscores can be used
in the module name if it improves readability. Python packages should
also have short, all-lowercase names, although the use of underscores is
discouraged.
So, 1 and 3 ar...
ASP.NET MVC Controller Naming Pluralization
...orks use plurals, however the MVC project templates contains a controller called AccountController thus suggesting singlular naming.
It doesn't matter. As with most things in the Asp.net MVC framework the choice is yours. There is no real conventions.
It's my personal opinion but what matters is t...
What is Android keystore file, and what is it used for?
... going to use "push data" in your app!
– KapteinMarshall
Sep 4 '13 at 9:43
Is Keystore machine specific ? Or we can u...
