大约有 23,000 项符合查询结果（耗时：0.0343秒） [XML]
Add line break to 'git commit -m' from the command line
...$'first line\nsecond line'
From the Bash manual:
Words of the form $'string' are treated specially. The word expands to
string, with backslash-escaped characters replaced as specified by the
ANSI C standard.
This includes support for newlines as shown above, plus hex and Unicode codes an...
How to pass a variable from Activity to Fragment, and pass it back?
...g data from Activity to a Fragment
Activity:
Bundle bundle = new Bundle();
String myMessage = "Stackoverflow is cool!";
bundle.putString("message", myMessage );
FragmentClass fragInfo = new FragmentClass();
fragInfo.setArguments(bundle);
transaction.replace(R.id.fragment_single, fragInfo);
transacti...
how to reference a YAML “setting” from elsewhere in the same YAML file?
...
Yes, using custom tags. Example in Python, making the !join tag join strings in an array:
import yaml
## define custom tag handler
def join(loader, node):
seq = loader.construct_sequence(node)
return ''.join([str(i) for i in seq])
## register the tag handler
yaml.add_constructor('!j...
Calculate relative time in C#
...
Seb, If you have Javascript disabled, then the string you originally put between the abbr tags is displayed. Typically, this is just a date or time in any format you wish. Timeago degrades gracefully. It doesn't get much simpler.
– Ryan McGeary
...
Case preserving substitute in Vim
...OOD' : 'ood' )
Apart from the search pattern, you have to edit the four 'strings' in the replacement code: Edit the parts in bold:
:%s/\cbad\zejob/\=
( submatch(0)[0] is# toupper(submatch(0)[0]) ? 'G' : 'g' ) .
( submatch(0)[1] is# toupper(submatch(0)[1]) ? 'OOD' : 'ood' )
Don't use th...
Runtime vs. Compile time
...ink of it in terms of errors, and when they can be caught.
Compile time:
string my_value = Console.ReadLine();
int i = my_value;
A string value can't be assigned a variable of type int, so the compiler knows for sure at compile time that this code has a problem
Run time:
string my_value = Cons...
Javascript Equivalent to C# LINQ Select
...;
An extended version that uses the function constructor if you pass a string. Something to play around with perhaps:
Array.prototype.select = function(expr){
var arr = this;
switch(typeof expr){
case 'function':
return $.map(arr, expr);
break;
...
What is the difference between Class.getResource() and ClassLoader.getResource()?
...
Had to look it up in the specs:
Class.getResource(String resource)
ClassLoader.getResource(String resource)
Class's getResource() - documentation states the difference:
This method delegates the call to its class loader, after making these changes to the resource name:...
Set UILabel line spacing
...
Edit: Evidently NSAttributedString will do it, on iOS 6 and later. Instead of using an NSString to set the label's text, create an NSAttributedString, set attributes on it, then set it as the .attributedText on the label. The code you want will be somet...
ASP.NET MVC 3: Override “name” attribute with TextBoxFor
...
Try EditorFor. you can pass string as template name if you want to make sure textbox is rendered even if property type is not string. If property is string already, it does not need templatename explicitly to render textbox, so you can pass null. Note t...