大约有 44,000 项符合查询结果(耗时:0.0991秒) [XML]

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What is the best way to implement a “timer”? [duplicate]

...is question, "best" is defined as most reliable (least number of misfires) and precise. If I specify an interval of 15 seconds, I want the target method invoked every 15 seconds, not every 10 - 20 seconds. On the other hand, I don't need nanosecond accuracy. In this example, it would be acceptable f...
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How to remove all white spaces in java [duplicate]

I have a programming assignment and part of it requires me to make code that reads a line from the user and removes all the white space within that line. the line can consist of one word or more. ...
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Mongoose: Get full list of users

... This is just an Improvement of @soulcheck 's answer, and fix of the typo in forEach (missing closing bracket); server.get('/usersList', (req, res) => User.find({}, (err, users) => res.send(users.reduce((userMap, item) => { use...
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Replacing H1 text with a logo image: best method for SEO and accessibility?

...o.png" alt="Stack Overflow" /> </a> </h1> title in href and img to h1 is very, very important! share | improve this answer | follow | ...
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Execute JavaScript using Selenium WebDriver in C#

... The object, method, and property names in the .NET language bindings do not exactly correspond to those in the Java bindings. One of the principles of the project is that each language binding should "feel natural" to those comfortable coding in...
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A positive lambda: '+[]{}' - What sorcery is this? [duplicate]

... Yes, the code is standard conforming. The + triggers a conversion to a plain old function pointer for the lambda. What happens is this: The compiler sees the first lambda ([]{}) and generates a closure object according to §5.1.2. As the lambda...
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?

...a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will eliminate the library call for pow(a,6) .) ...
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Rails 3 execute custom sql query without a model

I need to write a standalone ruby script that is supposed to deal with database. I used code given below in rails 3 5 Answe...
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How to loop through an associative array and get the key? [duplicate]

... Nobody answered with regular for loop? Sometimes I find it more readable and prefer for over foreach So here it is: $array = array('key1' => 'value1', 'key2' => 'value2'); $keys = array_keys($array); for($i=0; $i < count($keys); ++$i) { echo $keys[$i] . ' ' . $array[$keys[$i]] . "...
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall

...ith firewall/proxy thingies. There is a better way than using http access and that is to use the ssh service offered by github on port 443 of the ssh.github.com server. We use a tool called corkscrew. This is available for both CygWin (through setup from the cygwin homepage) and Linux using your f...