大约有 20,000 项符合查询结果（耗时：0.0304秒） [XML]
Check whether a string is not null and not empty
...va 11 str.trim().isEmpty() can be reduced to str.isBlank() which will also test for other Unicode white spaces)
Wrapped in a handy function:
public static boolean empty( final String s ) {
// Null-safe, short-circuit evaluation.
return s == null || s.trim().isEmpty();
}
Becomes:
if( !empty(...
Run git pull over all subdirectories [duplicate]
... non-option argument -type, but options are not positional (-depth affects tests specified before it as well as those specified after it). Please specify options before other arguments.
– Yurik
May 1 '13 at 6:33
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How to make lists contain only distinct element in Python? [duplicate]
...ments in the order by the first occurrence of the element (not extensively tested)
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how to convert milliseconds to date format in android?
...port java.text.SimpleDateFormat;
import java.util.Calendar;
public class Test {
/**
* Main Method
*/
public static void main(String[] args) {
System.out.println(getDate(82233213123L, "dd/MM/yyyy hh:mm:ss.SSS"));
}
/**
* Return date in specified format.
* @param milliSeconds Date in mill...
Remove credentials from Git
... This is only relevant if your credential.helper=manager. To test this type git config --list. If it's set to store then credentials are not stored in the credentials store but are stored un-encrypted.
– Liam
Dec 14 '17 at 10:48
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When and why to 'return false' in JavaScript?
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I have to notice here after some code test that: in jquery, function() { return false; } IS EQUAL TO function(e) { e.preventDefault(); e.stopPropagation(); }, but in pure js, it not the same, function() { return false; } IS EQUAL TO function(e) { e.preventDefaul...
jQuery: how to get which button was clicked upon form submission?
...get the button as focused, in others you'll get nothing. In all browsers I tested, hitting enter while on an input keeps the input focused.
– notacouch
Mar 11 '15 at 19:51
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How to get package name from anywhere?
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@kevinze Entirely accurate! I ran a test to double-check. Thanks for the clarification/correction.
– Uli
Apr 9 '16 at 17:35
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How to style a div to be a responsive square? [duplicate]
...='square-box'>
<div class='square-content'>
<h3>test</h3>
</div>
</div>
CSS
.square-box{
position: relative;
width: 50%;
overflow: hidden;
background: #4679BD;
}
.square-box:before{
content: "";
display: block;
padding-t...
jquery append to front/top of list
...er">Goodbye</div>
</div>
$('.container').prepend('<p>Test</p>');
refer http://api.jquery.com/prepend/ for more info.
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