大约有 42,000 项符合查询结果（耗时：0.0703秒） [XML]
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
I use the following command:
15 Answers
15
...
Android: Bitmaps loaded from gallery are rotated in ImageView
...zontal picture even though it appears vertical in the gallery.
Why is that and how can I load it correctly?
19 Answers
...
Malloc vs new — different padding
...e picky point. malloc is guaranteed to return an address aligned for any standard type. ::operator new(n) is only guaranteed to return an address aligned for any standard type no larger than n, and if T isn't a character type then new T[n] is only required to return an address aligned for T.
But th...
Shell - Write variable contents to a file
...
Use the echo command:
var="text to append";
destdir=/some/directory/path/filename
if [ -f "$destdir" ]
then
echo "$var" > "$destdir"
fi
The if tests that $destdir represents a file.
The > appends the text after truncating the ...
Understanding the ngRepeat 'track by' expression
I'm having difficulties understanding how the track by expression of ng-repeat in angularjs works. The documentation is very scarce: http://docs.angularjs.org/api/ng/directive/ngRepeat
...
How to change the height of a ?
...
Add a content:" " attribute to that style and it works fine in Chrome
– anushr
Feb 14 '12 at 10:26
8
...
jQuery .hasClass() vs .is()
...f determining whether an element is assigned a class, from a performance standpoint?
4 Answers
...
how to add records to has_many :through association in rails
...
@Mischa how should i handle error if House.find(params[:house_id]) is nill.. i got error of TypeMismatch if params[:house_id] is nil.. i already using rescue. but is there any better_way..??
– Vishal
Jul 30...
Uncaught ReferenceError: $ is not defined?
...ry-x.x.x.min.js, then jquery-ui-xxxxxx.js.
– Wagner Danda da Silva Filho
Nov 19 '10 at 1:05
27
2 ...
Initializing multiple variables to the same value in Java
I'm looking for a clean and efficient method of declaring multiple variables of the same type and of the same value. Right now I have:
...