大约有 19,000 项符合查询结果（耗时：0.0380秒） [XML]
How to get root view controller?
I need an instance of root view controller.
7 Answers
7
...
Count how many files in directory PHP
...nything to /path/to/dir would fail it, because first / means starting from root dir. If there were path/to/dir, then yes, __DIR__ . '/path/to/dir' would help (in this case you must use / after __DIR__
– Justinas
Feb 22 '19 at 14:30
...
Why are joins bad when considering scalability?
...
...except in MySQL, which seems to have performance problems with large numbers of joins regardless of how your indexes look. Or at least it has in the past.
– Powerlord
Apr 12 '10 at 17:53
...
How do I get the APK of an installed app without root access?
I'm trying to extract the APK file of an installed Android app WITHOUT root permissions.
11 Answers
...
How to use count and group by at the same select statement
...
needs alias otherwise wouldnt work in mysql. select count(*) from( ) agr
– amas
Jan 9 '14 at 6:54
add a comment
|
...
Unable to find the wrapper “https” - did you forget to enable it when you configured PHP?
...ndows XP computer. I have a 1 GB of RAM. I have XAMPP running with Apache, MySQL, and FileZilla installed.
21 Answers
...
ORA-00979 not a group by expression
...
@AaronDigulla That's what MySQL does, and the world didn't end :p
– Chris Baker
Aug 27 '14 at 21:32
1
...
How to set background color of an Activity to white programmatically?
...
Get a handle to the root layout used, then set the background color on that. The root layout is whatever you called setContentView with.
setContentView(R.layout.main);
// Now get a handle to any View contained
// within the main layout y...
Flat file databases [closed]
...te. It works as a database, uses SQL, and is pretty easy to change over to MySQL (especially if you're using abstracted classes for database manipulation like I do!)
In fact, especially with the "accepted answer"'s method, it can drastically cut the memory usage of your app (you don't have to load a...
Using vagrant to run virtual machines with desktop environment
...etter experience, I recommend these improvements:
Don't start the GUI as root. You really want to stay the vagrant user. To do this you need to permit anyone to start the GUI: sudo vim /etc/X11/Xwrapper.config and edit it to allowed_users=anybody.
Next, install the VirtualBox guest tools before st...