大约有 44,000 项符合查询结果（耗时：0.0470秒） [XML]
Escaping a forward slash in a regular expression
My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it?
...
How to get year/month/day from a date object?
...ar();
newdate = year + "/" + month + "/" + day;
or you can set new date and give the above values
share
|
improve this answer
|
follow
|
...
How to rollback a specific migration?
...STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the original post)
rake db:migrate VERSION=2010090...
set up device for development (???????????? no permissions)
I am using a Samsung galaxy nexus phone ( Android 4.0 platform) .
26 Answers
26
...
Why does pycharm propose to change method to static
....
PyCharm proposes this because the method does not use self in its body and hence does not actually change the class instance. Hence the method could be static, i.e. callable without passing a class instance or without even having created a class instance.
...
Plotting with seaborn using the matplotlib object-oriented interface
...wo classes
"Axes-level" functions, including regplot, boxplot, kdeplot, and many others
"Figure-level" functions, including lmplot, factorplot, jointplot and one or two others
The first group is identified by taking an explicit ax argument and returning an Axes object. As this suggests, you can...
Select objects based on value of variable in object using jq
...f you meant the keys after the filter, giving "FOO" "BAR", use this answer and use .key instead of [.key, .value.name].
– ggorlen
Sep 12 at 4:26
...
Under what conditions is a JSESSIONID created?
...ll return you a session or null. In this case, new session is not created, and JSESSIONID cookie is not sent. (This also means that session isn't necessarily created on first request... you and your code are in control when the session is created)
Sessions are per-context:
SRV.7.3 Session Scope...
Simulate airplane mode in iPhone Simulator
... emulate the iPhone; it's just an environment for Mac apps to link against and look like an iPhone. So you need a way, at the system layer, to restrict an app from talking to the network. Unix doesn't provide that; it would almost certainly need kernel support to get it. You could do it more easily ...
iTerm2: How to expand split pane temporarily?
Is there a way to temporarily expand a split pane into full tab and go back again when done?
I am looking for a keyboard shortcut to do so. The use case is to be able to temporarily switch to full-screen on demand.
...