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How to get elements with multiple classes

...collection of nodes. The nodes can be accessed by index numbers. The index starts at 0. also learn more about https://www.w3schools.com/jsref/met_document_queryselectorall.asp == Thank You == share | ...
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Extract a substring according to a pattern

... [1] "E001" "E002" "E003" 4) substring This assumes second portion always starts at 4th character (which is the case in the example in the question): substring(string, 4) ## [1] "E001" "E002" "E003" 4a) substring/regex If the colon were not always in a known position we could modify (4) by searchi...
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What is the difference between “screen” and “only screen” in media queries?

...le sheets from older user agents. User agents must process media queries starting with ‘only’ as if the ‘only’ keyword was not present. As there is no such media type as "only", the style sheet should be ignored by older browsers. Here's the link to that quote that is shown in example 9...
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C# Thread safe fast(est) counter

...public static void Main() { cte = new CountdownEvent(1); // Start three threads. for (int ctr = 0; ctr <= 2; ctr++) { cte.AddCount(); Thread th = new Thread(GenerateNumbers); th.Name = "Thread" + ctr.ToString(); th.Start(); } c...
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?

...QL-92 syntax. Sixteen years after it was approved, it's about time people start using it! And all brands of SQL database now support it, so there's no reason to continue to use the nonstandard (+) Oracle syntax or *= Microsoft/Sybase syntax. As for why it's so hard to break the developer communit...
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Refreshing web page by WebDriver when waiting for specific condition

...make sure this works 100% by adding a manual check whether the page really started reloading. Here's the code I wrote for that in our base page object class: public void reload() { // remember reference to current html root element final WebElement htmlRoot = getDriver().findElement(By.tag...
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The quest for the Excel custom function tooltip

...flaky, only works on my machine and sometimes crashes Excel. It might be a start, though... Update 9 May 2014: I've made some progress figuring out how to make the argument help work under older Excel and Windows versions. However, it still needs quite a lot of work to get everything reliable. A...
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How to temporarily exit Vim and go back

...your shell fg will resume (bring to foreground) your suspended Vim. To start a new shell Start a subshell using: :sh (as configured by) :set shell? or :!bash followed by: Ctrl+D (or exit, but why type so much?) to kill the shell and return to Vim. ...
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Pros and cons to use Celery vs. RQ [closed]

...ck on what the problem might be. And when I finally did get it working, I started getting some type os OSError deep down in the Celery stack. I posted a issue on Github but no one could help. I wouldn't touch Celery again with a ten-foot pole. – Ray Dec 20 '...
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How do I load a PHP file into a variable?

... ob_start(); include "yourfile.php"; $myvar = ob_get_clean(); ob_get_clean() share | improve this answer | ...