大约有 48,000 项符合查询结果(耗时:0.0728秒) [XML]
Most pythonic way to delete a file which may not exist
...e(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a function to do this for you:
import os, errno
def silentrem...
How to change the font on the TextView?
...efault is Droid Sans.
Second, to change to a different built-in font, use android:typeface in layout XML or setTypeface() in Java.
Third, there is no Helvetica font in Android. The built-in choices are Droid Sans (sans), Droid Sans Mono (monospace), and Droid Serif (serif). While you can bundle yo...
Hide div after a few seconds
...
and you have beaten crazy Joel Coehoorn very nicely in one shot! :)
– cregox
Mar 18 '11 at 19:14
3
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How do I find out my MySQL URL, host, port and username?
I need to find my MySQL username. When I open the MySQL command line client, it only asks me for my password. I don't remember my username. And for connectivity with JDBC, I need the URL, host and port number. Where do I find all of these?
...
What is Clojure useful for? [closed]
... webservers
HTML Templating
Running parallel tasks (fetching multiple URLs and process in parallel)
Playing around with real time audio
Simulations
That's the practical / fun stuff.
But Clojure has plenty of theoretical depth as well. Ideas that will become increasingly more relevant as the mains...
Include .so library in apk in android studio [duplicate]
I am trying my hands on developing a simple android application in which I am trying to use sqlcipher , which uses .so libraries internally. I have read the documentation on how to use sqlcipher with android app . I have followed the steps and it compiles without any error. But, at runtime it thro...
How to sort a list of objects based on an attribute of the objects?
...
No problem. btw, if muhuk is right and it's a list of Django objects, you should consider his solution. However, for the general case of sorting objects, my solution is probably best practice.
– Triptych
Dec 31 '08 at 17:...
How do you properly use namespaces in C++?
...utting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
...
What is the difference between `git fetch origin` and `git remote update origin`?
...no difference when used like this.
remote update is a very high-level command - it supports grouped remotes (remotes.<group> = <list>), and updating all remotes (except those with remote.<name>.skipDefaultUpdate set), but not any of the more specific options of fetch. Under the ho...
SQL Server add auto increment primary key to existing table
...lues when you do this:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
and then you can make it the primary key:
ALTER TABLE dbo.YourTable
ADD CONSTRAINT PK_YourTable
PRIMARY KEY(ID)
or if you prefer to do all in one step:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
CONSTRA...
