大约有 42,000 项符合查询结果（耗时：0.0886秒） [XML]
Scala: What is a TypeTag and how do I use it?
...List[Foo] => "list of foos"
}
we will get warnings:
<console>:23: warning: non-variable type argument String in type pattern List[String]↩
is unchecked since it is eliminated by erasure
case _: List[String] => "list of strings"
^
<console>:24: warning...
How can I convert a PFX certificate file for use with Apache on a linux server?
...pdate your Apache configuration file with:
<VirtualHost 192.168.0.1:443>
...
SSLEngine on
SSLCertificateFile /path/to/domain.cer
SSLCertificateKeyFile /path/to/domain.key
...
</VirtualHost>
share
...
Open Source Java Profilers [closed]
... herrtim
2,42911 gold badge2020 silver badges3232 bronze badges
answered Jun 4 '09 at 4:16
ChiChi
20.1k66 gold badges3333 s...
What is the maximum length of a valid email address?
...
1237
An email address must not exceed 254 characters.
This was accepted by the IETF following submi...
regex to match a single character that is anything but a space
...
263
The following should suffice:
[^ ]
If you want to expand that to anything but white-space (li...
How to “crop” a rectangular image into a square with CSS?
...
answered Mar 1 '13 at 22:04
MichaelMichael
6,40522 gold badges2121 silver badges3838 bronze badges
...
Creating PHP class instance with a string
...er cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$objec...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
...
143
The question is misguided. When creating a model field in Django, you are not defining a functi...
Can someone explain collection_select to me in clear, simple terms?
...
306
collection_select(
:post, # field namespace
:author_id, # field name
# result of ...
Valid to use (anchor tag) without href attribute?
...|
edited Dec 18 '19 at 20:37
Community♦
111 silver badge
answered May 9 '12 at 5:34
...