大约有 48,000 项符合查询结果（耗时：0.0819秒） [XML]
iOS app icon with transparent background showing black background on device
I have added an icon to my app. It has rounded edges and no background. The problem is that when I run an app on my device (iPhone 5) the icon has a black background behind the edges as if it wasn't transparent. Any solutions?
...
How to delete from a text file, all lines that contain a specific string?
...
To remove the line and print the output to standard out:
sed '/pattern to match/d' ./infile
To directly modify the file – does not work with BSD sed:
sed -i '/pattern to match/d' ./infile
Same, but for BSD sed (Mac OS X and FreeBSD) –...
Why can't I reference System.ComponentModel.DataAnnotations?
...ed by default in the visual studio templates). Open your reference manager and add a reference to the System.ComponentModel.DataAnnotations assembly (Solution explorer -> Add reference -> Select .Net tab -> select System.ComponentModel.DataAnnotations from the list)
...
Share data between AngularJS controllers
... in multiple display locations outside the original controller. Code below and in jsfiddle here .
10 Answers
...
Int to Char in C#
... Before doing so, it checks to ensure "value" is in the range 0 to 0xffff, and throws an OverflowException if it is not. The extra method call, value/boundary checks, and OverflowException may be useful, but if not, the performance will be better if you just use "(char)value".
...
How to publish a website made by Node.js to Github Pages?
...the server. As I know, the node.js file should start working by typing commands in terminal, so I'm not sure if Github Pages supports node.js-hosting. So what should I do?
...
Capturing multiple line output into a Bash variable
...y as it is represented in the variable — newlines, tabs, multiple blanks and all — whereas (2) the unquoted version (echo $RESULT) replaces each sequence of one or more blanks, tabs and newlines with a single space. Thus (1) preserves the shape of the input variable, whereas (2) creates a potent...
How to format date and time in Android?
How to format correctly according to the device configuration date and time when having a year, month, day, hour and minute?
...
Use of .apply() with 'new' operator. Is this possible?
...s = new (Function.prototype.bind.apply(Something, [null, a, b, c]));
This and the eval-based solution are the only ones that always work, even with special constructors like Date:
var date = newCall(Date, 2012, 1);
console.log(date instanceof Date); // true
edit
A bit of explanation:
We need to r...
Chrome/jQuery Uncaught RangeError: Maximum call stack size exceeded
...
As "there are tens of thousands of cells in the page" binding the click-event to every single cell will cause a terrible performance problem. There's a better way to do this, that is binding a click event to the body & then finding out if the cell ...