大约有 10,700 项符合查询结果（耗时：0.0347秒） [XML]
How to convert timestamp to datetime in MySQL?
...
Just because I've done this and been confused at the output: MySQL stores Unix time in seconds, whereas a lot of other frameworks store it in milliseconds (i.e. Java's timestamp). So just remember to divide by 1000 if you're using t...
Can Vim highlight matching HTML tags like Notepad++?
...kle this. Added a ftplugin to vim.org that should solve your problem.
You can get it here on vim.org.
You can get it here on github.
Hope it works for you. Let me know if you have any problems.
share
|
...
Order by multiple columns with Doctrine
...qb->orderBy('column1 ASC, column2 DESC');
As you have noted, multiple calls to orderBy do not stack, but you can make multiple calls to addOrderBy:
$qb->addOrderBy('column1', 'ASC')
->addOrderBy('column2', 'DESC');
...
Persistent :set syntax for a given filetype?
...h uses Twig, and the filetypes are myfile.html.twig . Vim doesn't automatically detect the syntax highlighting and so applies none. I can use :set syntax=HTML after I've opened the file but this is a pain when jumping between files.
...
runOnUiThread in fragment
...
Try this: getActivity().runOnUiThread(new Runnable...
It's because:
1) the implicit this in your call to runOnUiThread is referring to AsyncTask, not your fragment.
2) Fragment doesn't have runOnUiThread.
However, Activity does.
Note that Activity just executes the Runnable if you'...
Should JAVA_HOME point to JDK or JRE?
...) where utilities such as javac (the Java Compiler) reside. Otherwise, you can point to the JRE (Java Runtime Environment).
The JDK contains everything the JRE has and more. If you're just executing Java programs, you can point to either the JRE or the JDK.
...
Why should I implement ICloneable in c#?
Can you explain to me why I should inherit from ICloneable and implement the Clone() method?
4 Answers
...
How do I make a transparent canvas in html5?
How can I make a canvas transparent? I need to because I want to put two canvases on top of one another.
6 Answers
...
Rails how to run rake task
...
You can run Rake tasks from your shell by running:
rake task_name
To run from from Ruby (e.g., in the Rails console or another Rake task):
Rake::Task['task_name'].invoke
To run multiple tasks in the same namespace with a si...
What does |= (single pipe equal) and &=(single ampersand equal) mean
...o
x = x | y;
and the same for &. There's a bit more detail in a few cases regarding an implicit cast, and the target variable is only evaluated once, but that's basically the gist of it.
In terms of the non-compound operators, & is a bitwise "AND" and | is a bitwise "OR".
EDIT: In this ...