大约有 11,700 项符合查询结果(耗时:0.0240秒) [XML]

https://stackoverflow.com/ques... 

How do I select text nodes with jQuery?

..., but is not (e.g. the soft hyphen ­ character, newlines \n, tabs, etc.), you can try using a Regular Expression. For example, \S will match any non-whitespace characters: $('element') .contents() .filter(function(){ return this.nodeType === 3 && /\S/.tes...
https://stackoverflow.com/ques... 

Python subprocess/Popen with a modified environment

...y set an environment variable without having to copy the os.envrion object etc, I do this: process = subprocess.Popen(['env', 'RSYNC_PASSWORD=foobar', 'rsync', \ 'rsync://username@foobar.com::'], stdout=subprocess.PIPE) sh...
https://stackoverflow.com/ques... 

JS: iterating over result of getElementsByClassName using Array.forEach

...E < Edge, Opera, Safari < 9, Android browser, Chrome for Android, ...etc) Source: mozilla dev docs – Sean Sep 5 '16 at 5:53 ...
https://stackoverflow.com/ques... 

Best way to create an empty object in JSON with PHP?

... Well, json_encode() simply returns a string from a PHP array/object/etc. You can achieve the same effect much more efficiently by doing: $json = '{}'; There's really no point in using a function to accomplish this. UPDATE As per your comment updates, you could try: $test = json_encode(ar...
https://stackoverflow.com/ques... 

Getting time elapsed in Objective-C

...on of the output on my iPhone 6 (perhaps this was not an issue on iPhone 4/etc or I just never noticed it). Note that by not performing that division first, there is some risk of overflow if the numerator of the timebase is quite large. If anybody is curious, there is a link with much more informati...
https://stackoverflow.com/ques... 

How to get the browser viewport dimensions?

...idthDevice: window.screen.width, //your css breakpoint for mobile, etc. non-mobile first widthMin: 560, //add the tag based on above vars and environment setMeta: function () { var params = (this.widthDevice <= this.widthMin) ? this.phone : this.other; ...
https://stackoverflow.com/ques... 

WPF: Grid with column/row margin/padding?

... benefit of reacting properly to changes in orientation, expand/collapses, etc. <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition /> </Grid.RowDefinitions> <custom:MyRowObject Style="YourStyleHereOrGeneralSetter" Grid.Row="0" /> <c...
https://stackoverflow.com/ques... 

Restricting input to textbox: allowing only numbers and decimal point

...f the solutions restrict the usage of non-character keys like ctrl+c, Pos1 etc. I suggest rather than checking every key press you check whether the result is valid in respect to your expectations. var validNumber = new RegExp(/^\d*\.?\d*$/); var lastValid = document.getElementById("test1").v...
https://stackoverflow.com/ques... 

How can I convert a comma-separated string to an array?

...ar temp = new Array(); // This will return an array with strings "1", "2", etc. temp = str.split(","); Adding a loop like this, for (a in temp ) { temp[a] = parseInt(temp[a], 10); // Explicitly include base as per Álvaro's comment } will return an array containing integers, and not strings. ...
https://stackoverflow.com/ques... 

Is the order guaranteed for the return of keys and values from a LinkedHashMap object?

... should not guarantee ordering ! Set is an interface with HashSet,TreeSet etc beings its implementations. The HashSet implementation of Set interface does not guarantees ordering. But TreeSet does. Also LinkedHashSet does. Therefore it depends on how Set has been implemented in LinkedHashMap to kn...