大约有 40,000 项符合查询结果（耗时：0.0707秒） [XML]
Symfony 2: How do I check if a user is not logged in inside a template?
...any user is logged in.
{% if app.user %}
# user is logged in (any and all users, regardless of ROLE_*)
{% elseif not app.user %}
# user is not logged in (note the `not` in the `elseif` statement)
{% endif %}
Checking authentication status
You can use the is_granted() method to check fo...
Collection that allows only unique items in .NET?
...
If all you need is to ensure uniqueness of elements, then HashSet is what you need.
What do you mean when you say "just a set implementation"? A set is (by definition) a collection of unique elements that doesn't save element ...
HTML-encoding lost when attribute read from input field
...e){
// Create a in-memory element, set its inner text (which is automatically encoded)
// Then grab the encoded contents back out. The element never exists on the DOM.
return $('<textarea/>').text(value).html();
}
function htmlDecode(value){
return $('<textarea/>').html(value).t...
How to configure logging to syslog in Python?
...
and remember config the /etc/syslog.d/conf file, and restart syslog/rsyslog service
– linrongbin
Oct 25 '17 at 6:59
5
...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...ing the Java Build Path and seeing this new item, and unchecking the originally-included support library solved the problem for me.
– Tom Pace
Sep 26 '13 at 17:20
9
...
Rename column SQL Server 2008
...ote in your answer that this stored procedure handles default values, null etc contraints while doing the rename, as opposed to a plain alter table that will FAIL if such constraints exist.
– Tuncay Göncüoğlu
Aug 23 '17 at 12:06
...
How to effectively work with multiple files in Vim
...ms to store the complete state of things (window splits, buffer locations, etc). So, thanks!
– Kasapo
Jun 15 '16 at 19:42
...
Inserting image into IPython notebook markdown
... the base path, it would be <img src="files/image.png">, and subdirs etc. are also available: <img src="files/subdir/image.png">, etc.
Update: starting with IPython 2.0, the files/ prefix is no longer needed (cf. release notes). So now the solution <img src="image.png"> simply wor...
BCL (Base Class Library) vs FCL (Framework Class Library)
...ASP.Net, MVC, WCF),
Mobile application,
Xbox application,
windows services etc.
More details at What is BCL/ CL in .Net?
share
|
improve this answer
|
follow
...
How to Decrease Image Brightness in CSS
... support it will require a vendor prefix (ie -webkit-filter:, -moz-filter, etc).
It is also possible to do filter effects like this using SVG. SVG support for these effects is well established and widely supported (the CSS filter specs have been taken from the existing SVG specs)
Also note that th...