大约有 38,000 项符合查询结果（耗时：0.0698秒） [XML]
How do I use installed packages in PyCharm?
...es/gnuradio as expected. Doesn't make much sense. However ,now I'm getting more errors referencing shared libraries:
– smurff
Nov 10 '13 at 15:21
12
...
What is a Manifest in Scala and when do you need it?
...
The compiler knows more information about types than the JVM runtime can easily represent. A Manifest is a way for the compiler to send an inter-dimensional message to the code at runtime about the type information that was lost.
This is simi...
How to change current Theme at runtime in Android [duplicate]
...avedInstanceState); your theme will set and activity
does not recreate anymore
protected void onCreate(Bundle savedInstanceState) {
setTheme(android.R.style.Theme_Dark);
super.onCreate(savedInstanceState);
// ...
setContentView(R.layout.main);
}
...
Is Task.Result the same as .GetAwaiter.GetResult()?
...
|
show 8 more comments
157
...
How to validate phone numbers using regex
...
|
show 30 more comments
308
...
Converting a Uniform Distribution to a Normal Distribution
...
|
show 4 more comments
31
...
Does VBA have Dictionary Structure?
...
|
show 11 more comments
184
...
PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
... dash (-) or a dot (.), then the European d-m-y
format is assumed. Check more here.
Use the default date function.
$var = "20/04/2012";
echo date("Y-m-d", strtotime($var) );
EDIT I just tested it, and somehow, PHP doesn't work well with dd/mm/yyyy format. Here's another solution.
$var = '20/...
React JSX: selecting “selected” on selected option
...t;
<option value="C">Cranberry</option>
</select>
For more info, see the React select tag doc.
Also, React automatically understands booleans for this purpose, so you can simply write (note: not recommended)
<option value={option.value} selected={optionsState == option.value}...
Java naming convention for static final variables [duplicate]
...
That's still a constant. See the JLS for more information regarding the naming convention for constants. But in reality, it's all a matter of preference.
The names of constants in interface types should be, and final
variables of class types may conventional...