大约有 43,000 项符合查询结果（耗时：0.0624秒） [XML]
find -exec with multiple commands
...
find accepts multiple -exec portions to the command. For example:
find . -name "*.txt" -exec echo {} \; -exec grep banana {} \;
Note that in this case the second command will only run if the first one returns successfully, as mentioned by @Caleb. If y...
Regex: Remove lines containing “help”, etc
I have a long document of commands. Using Notepad++ or regex, I want to delete all lines containing "help" including keyboard_help, etc.
...
Label Alignment in iOS 6 - UITextAlignment deprecated
... answered Sep 22 '12 at 2:42
majorl3oatmajorl3oat
4,28711 gold badge1515 silver badges2020 bronze badges
...
Remove HTML Tags from an NSString on the iPhone
...
A quick and "dirty" (removes everything between < and >) solution, works with iOS >= 3.2:
-(NSString *) stringByStrippingHTML {
NSRange r;
NSString *s = [[self copy] autorelease];
while ((r = [s rangeOfString:@"<[^>]+>" options:NSRegularExpressionSearch]).location != NSNot...
How can I get screen resolution in java?
...ze.getWidth();
double height = screenSize.getHeight();
On a multi-monitor configuration you should use this :
GraphicsDevice gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
int width = gd.getDisplayMode().getWidth();
int height = gd.getDisplayMode().getHeight();...
Save image from URL by paperclip
...
Here is a simple way:
require "open-uri"
class User < ActiveRecord::Base
has_attached_file :picture
def picture_from_url(url)
self.picture = open(url)
end
end
Then simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
...
Remove an item from a dictionary when its key is unknown
...
Be aware that you're currently testing for object identity (is only returns True if both operands are represented by the same object in memory - this is not always the case with two object that compare equal with ==). If you are doing this on purpose, then you coul...
svn cleanup: sqlite: database disk image is malformed
...was trying to do a svn cleanup because I can't commit the changes in my working copy, and I got the following error:
17 ...
AngularJS - Trigger when radio button is selected
...Here is the jsFiddle: http://jsfiddle.net/ZPcSe/5/
2) Watching the model for changes. This doesn't require anything special on the input level:
<input type="radio" ng-model="value" value="foo">
but in a controller one would have:
$scope.$watch('value', function(value) {
console.log...
Check if all values of array are equal
...r => arr.every( v => v === arr[0] )
allEqual( [1,1,1,1] ) // true
Or one-liner:
[1,1,1,1].every( (val, i, arr) => val === arr[0] ) // true
Array.prototype.every (from MDN) :
The every() method tests whether all elements in the array pass the test implemented by the provided func...