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How to show current time in JavaScript in the format HH:MM:SS?
...cepted answer, cause it answers exactly the question, uses native function and is the shortest working code to get what is asked for.
– vchrizz
Dec 13 '16 at 2:04
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Worst security hole you've seen? [closed]
...opping cart. The software properly calculated the total cost as .1 * cost, and the human packing the order simply glossed over the odd "." in front of the quantity to pack :)
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Case insensitive 'in'
...e list. (name.upper() for name in USERNAMES) would create only a generator and one needed string at a time - massive memory savings if you're doing this operation a lot. (even more savings, if you simply create a list of lowercase usernames that you reuse for checking every time)
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How to evaluate http response codes from bash/shell script?
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I haven't tested this on a 500 code, but it works on others like 200, 302 and 404.
response=$(curl --write-out '%{http_code}' --silent --output /dev/null servername)
Note, format provided for --write-out should be quoted.
As suggested by @ibai, add --head to make a HEAD only request. This will sav...
Does reading an entire file leave the file handle open?
...entire file with content = open('Path/to/file', 'r').read() is the file handle left open until the script exits? Is there a more concise method to read a whole file?
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How to concatenate two strings in C++?
...e performance. Worst case is, that operator+= performs both a deallocation and an allocation. Heap allocations are among the most expensive operations we commonly do.
– IInspectable
Feb 7 at 12:17
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How to use the toString method in Java?
...of the toString() method, defined in the Object class? How is it used, and what is its purpose?
13 Answers
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Convert Elixir string to integer or float
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Check Integer.parse/1 and Float.parse/1.
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What is Hindley-Milner?
I encountered this term Hindley-Milner , and I'm not sure if grasp what it means.
3 Answers
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Select n random rows from SQL Server table
...th about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and then selecting from that table...