大约有 45,000 项符合查询结果(耗时:0.0851秒) [XML]

https://stackoverflow.com/ques... 

How does _gaq.push(['_trackPageLoadTime']) work?

...of November 16th 2011, the _trackPageLoadTime function has been deprecated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.) _setSiteSpeedSampleRate is the new function for setting the sample rate ...
https://stackoverflow.com/ques... 

When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
https://stackoverflow.com/ques... 

PostgreSQL disable more output

...t, run it with -q or set QUIET=1 in the environment. To produce results and throw them away you can redirect stdout to /dev/null with: psql db -f sql.sql >/dev/null You can redirect both stdout and stderr with: psql db -f sql.sql >&/dev/null but I don't recommend that, as it'll th...
https://stackoverflow.com/ques... 

Where should virtualenvs be created?

...ich keeps all virtualenvs in the same place (the ~/.virtualenvs directory) and allows shortcuts for creating and keeping them there. For example, you might do: mkvirtualenv djangoproject and then later: workon djangoproject It's probably a bad idea to keep the virtualenv directory in the proje...
https://stackoverflow.com/ques... 

Stash just a single file

...complish more complex things with branches without that much more headache and work. # git checkout -b tmpbranch # git add the_file # git commit -m "stashing the_file" # git checkout master go about and do what you want, and then later simply rebase and/or merge the tmpbranch. It really isn't th...
https://stackoverflow.com/ques... 

How do I convert an array object to a string in PowerShell?

... $a = 'This', 'Is', 'a', 'cat' Using double quotes (and optionally use the separator $ofs) # This Is a cat "$a" # This-Is-a-cat $ofs = '-' # after this all casts work this way until $ofs changes! "$a" Using operator join # This-Is-a-cat $a -join '-' # ThisIsacat -join $a...
https://stackoverflow.com/ques... 

Get value of dynamically chosen class constant in PHP

...ucum why would you wanna over-complicate this? The request is quite simple and involves no outside, user manipulable input. Aside from that, you're calling another function because, I guess, you don't like the string to be concatenated with delimiters? – ReSpawN ...
https://stackoverflow.com/ques... 

How to delete a word and go into insert mode in Vim?

...mal mode I can hit Ctrl + E which deletes the rest of the current word and goes to insert mode. 5 Answers ...
https://stackoverflow.com/ques... 

Open a buffer as a vertical split in VIM

If you are editing a file in VIM and then you need to open an existing buffer (e.g. from your buffer list: :buffers ) how can you open it in a vertical split? ...
https://stackoverflow.com/ques... 

UPDATE multiple tables in MySQL using LEFT JOIN

I have two tables, and want to update fields in T1 for all rows in a LEFT JOIN. 5 Answers ...