大约有 41,000 项符合查询结果(耗时:0.0327秒) [XML]

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Select all contents of textbox when it receives focus (Vanilla JS or jQuery)

What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus? ...
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Prevent text selection after double click

...lick event on a span in my web app. A side-effect is that the double click selects text on the page. How can I prevent this selection from happening? ...
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Is bool a native C type?

...C90. Here's a list of keywords in standard C (not C99): auto break case char const continue default do double else enum extern float for goto if int long register return short signed static struct switch typedef union unsigned void volatile while Here's an article discussing some other differen...
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python capitalize first letter only

...apitalize() capitalizes the first letter of a string but what if the first character is a integer? 8 Answers ...
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What is the maximum length of a valid email address?

... An email address must not exceed 254 characters. This was accepted by the IETF following submitted erratum. A full diagnosis of any given address is available online. The original version of RFC 3696 described 320 as the maximum length, but John Klensin subsequ...
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Generate a random alphanumeric string in Cocoa

...i=0; i<len; i++) { [randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]]; } return randomString; } share | improve this answer ...
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How to get cumulative sum

the above select returns me the following. 16 Answers 16 ...
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MySQL: determine which database is selected?

After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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How to select all instances of a variable and edit variable name in Sublime

If I select a variable (not just any string) in my code, all other instances of that variable get a stroke (white outline) around them: ...
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using href links inside tag

... <select name="forma" onchange="location = this.value;"> <option value="Home.php">Home</option> <option value="Contact.php">Contact</option> <option value="Sitemap.php">Sitemap</option>...