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How do I create a random alpha-numeric string in C++?

... +100 Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do w...
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Append TimeStamp to a File Name

...Time.Now.ToString("yyyyMMddHHmmssfff") or string.Format string.Format("{0:yyyy-MM-dd_HH-mm-ss-fff}", DateTime.Now); or Interpolated Strings $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss-fff}" There are following custom format specifiers y (year), M (month), d (day), h (hour 12), H (hour 24), m (min...
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How to iterate over associative arrays in Bash

... answered Jun 24 '10 at 19:31 Paused until further notice.Paused until further notice. 286k8181 gold badges340340 silver badges409409 bronze badges ...
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How can I add a box-shadow on one side of an element?

...the box-shadow rule: .myDiv { border: 1px solid #333; width: 100px; height: 100px; box-shadow: 10px 0 5px -2px #888; } <div class="myDiv"></div> The fourth property there -2px is the shadow spread, you can use it to change the spread of the shadow, making it a...
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Get exit code of a background process

... 130 1: In bash, $! holds the PID of the last background process that was executed. That will tell y...
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Count number of matches of a regex in Javascript

... | edited Apr 10 '18 at 20:52 Trevor 11.4k1111 gold badges6767 silver badges9090 bronze badges ...
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Checking if array is multidimensional or not?

...anywhere. If it has to be in the first item, you'd just do is_array($arr[0]); But, the most efficient general way I could find is to use a foreach loop on the array, shortcircuiting whenever a hit is found (at least the implicit loop is better than the straight for()): $ more multi.php <?php...
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What is the difference between “int” and “uint” / “long” and “ulong”?

... 230 The primitive data types prefixed with "u" are unsigned versions with the same bit sizes. Effect...
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How to get first N elements of a list in C#?

... answered Nov 26 '08 at 7:28 Matt HamiltonMatt Hamilton 183k5959 gold badges376376 silver badges317317 bronze badges ...
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What is the best way to count “find” results?

...ntf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this? ...