大约有 40,000 项符合查询结果（耗时：0.0605秒） [XML]
Joins are for lazy people?
...r developer who claimed to me that JOINs (SQL) are useless. This is technically true but he added that using joins is less efficient than making several requests and link tables in the code (C# or Java).
...
Cannot push to GitHub - keeps saying need merge
...igin <branch>
where origin is the name of your remote repo.
Usually, the command refuses to update a remote ref that is not an ancestor of the local ref used to overwrite it. This flag disables the check. This can cause the remote repository to lose commits; use it with care.
...
nano error: Error opening terminal: xterm-256color
...this may be one reason why nano may sometimes fail - e. g. if the problem happens at ncurses/terminfo instead.
– shevy
Aug 29 '16 at 21:38
add a comment
| ...
Open application after clicking on Notification
I have a notification in my app with the following code:
11 Answers
11
...
File size exceeds configured limit (2560000), code insight features not available
...tance for.
# The larger file is the slower its editor works and higher overall system memory requirements are
# if code assistance is enabled. Remove this property or set to very large number if you need
# code assistance for any files available regardless their size.
#------------------------------...
How to add custom validation to an AngularJS form?
...ther answer suggested, you can simply roll your own validation directive.
app.directive('blacklist', function (){
return {
require: 'ngModel',
link: function(scope, elem, attr, ngModel) {
var blacklist = attr.blacklist.split(',');
//For DOM -> model validatio...
Gridview with two columns and auto resized images
...
Basically, in Android's ImageView class, there's no way to simply specify "hey, keep a square aspect ratio (width / height) for this view" unless you hard code width and height. You could do some manual adjustment of LayoutParams ...
How to implement a binary tree?
...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method.
– Jeff Mandell
Oct 18 '15 at 2:30
...
RESTful on Play! framework
.....</html>
This approach gives browsers always the HTML view, since all browsers send a text/html content type in their Accept header. All other clients (possibly some JavaScript-based AJAX requests) can define their own desired content type. Using jQuerys ajax() method you could do the follo...
What does “hashable” mean in Python?
...y and a set member, because these data structures use the hash value internally.
All of Python’s immutable built-in objects are hashable, while no mutable containers (such as lists or dictionaries) are. Objects which are instances of user-defined classes are hashable by default; they all comp...