大约有 44,000 项符合查询结果（耗时：0.0603秒） [XML]
Android SQLite DB When to Close
I am working with a SQLite database on android. My database manager is a singleton and right now opens a connection to the database when it is initialized. It is safe to leave the database open the entire time so that when someone calls my class to work with the database it is already open? Or shoul...
Remove carriage return in Unix
...at is the simplest way to remove all the carriage returns \r from a file in Unix?
20 Answers
...
Where are the Properties.Settings.Default stored?
I thought I knew this, but today I'm being proven wrong - again.
9 Answers
9
...
Why are empty catch blocks a bad idea? [closed]
I've just seen a question on try-catch , which people (including Jon Skeet) say empty catch blocks are a really bad idea? Why this? Is there no situation where an empty catch is not a wrong design decision?
...
How do I capture SIGINT in Python?
I'm working on a python script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup.
...
Status bar won't disappear
I'm creating an application and I want the status bar hidden. When I test the app, the status bar is hidden whilst the splash screen is shown, but once the app is fully loaded, the status bar reappears.
...
Why doesn't Git ignore my specified file?
I added the following line to .gitignore :
13 Answers
13
...
Execute code when Django starts ONCE only?
I'm writing a Django Middleware class that I want to execute only once at startup, to initialise some other arbritary code. I've followed the very nice solution posted by sdolan here , but the "Hello" message is output to the terminal twice . E.g.
...
When to use the different log levels
There are different ways to log messages, in order of fatality:
18 Answers
18
...
Calling a function when ng-repeat has finished
What I am trying to implement is basically a "on ng repeat finished rendering" handler. I am able to detect when it is done but I can't figure out how to trigger a function from it.
...