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Advantages of std::for_each over for loop

... The nice thing with C++11 (previously called C++0x), is that this tiresome debate will be settled. I mean, no one in their right mind, who wants to iterate over a whole collection, will still use this for(auto it = collection.begin(); it != collection.end() ; ++...
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?

...ted by Java out of the box. I know to get this to function correctly I install the JCE unlimited strength jars in the security folder. This is fine for me being the developer, I can install them. ...
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How do you use bcrypt for hashing passwords in PHP?

...d salts (bcrypt REQUIRES salts) and you can be sure that an attack is virtually unfeasible without either ludicrous amount of funds or hardware. bcrypt uses the Eksblowfish algorithm to hash passwords. While the encryption phase of Eksblowfish and Blowfish are exactly the same, the key schedule pha...
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count(*) vs count(column-name) - which is more correct? [duplicate]

... COUNT(*) counts all rows COUNT(column) counts non-NULLs only COUNT(1) is the same as COUNT(*) because 1 is a non-null expressions Your use of COUNT(*) or COUNT(column) should be based on the desired output only. ...
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Why do you use typedef when declaring an enum in C++?

... In C, declaring your enum the first way allows you to use it like so: TokenType my_type; If you use the second style, you'll be forced to declare your variable like this: enum TokenType my_type; As mentioned by others, this doesn't make a difference in C++. M...
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Use “ENTER” key on softkeyboard instead of clicking button

...ode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN) { switch (keyCode) { case KeyEvent.KEYCODE_DPAD_CENTER: case KeyEvent.KEYCODE_ENTER: addCourseFromTextBox(); retur...
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How to print the full NumPy array, without truncation?

...ld instead of a.size <= _summaryThreshold, and np.nan returns False for all >/</>=/<= comparisons. 'nan' only happens to work due to fragile implementation details of Python 2's mixed-type comparison logic; it breaks completely on Python 3. – user2357112 supports...
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Is there a HTML opposite to ?

... Not allowed in the xhtml standard at least. – Dykam Aug 4 '09 at 19:56 29 ...
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Executing Batch File in C#

... Thanks! now i actually can see what the error is. "C:\Windows\System32\txtmanipulator.bat is not recognized as an internal or external command, program or batchfile" (Translated from dutch) Which is odd. Because when i run txtmanipulator from ...
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Computed / calculated / virtual / derived columns in PostgreSQL

...(Not in Postgres 13, yet) . Related: Attribute notation for function call gives error Until then, you can emulate VIRTUAL generated columns with a function using attribute notation (tbl.col) that looks and works much like a virtual generated column. That's a bit of a syntax oddity which exi...