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How do I change the IntelliJ IDEA default JDK?
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May I ask IntelliJ IDEA to use my %JAVA_HOME% system variable as a value of JDK home path? I want IntelliJ IDEA to reflect changes of JAVA_HOME sys variable automatically.
– Ivan_Bereziuk
Nov 16 '17 at 10:48
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Find objects between two dates MongoDB
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I just used this to convert my strings to date objects stackoverflow.com/questions/2900674/…
– Tom
May 31 '10 at 21:07
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Checking to see if a DateTime variable has had a value assigned
... null to start with and then assign a normal DateTime value (which will be converted appropriately). Then you can just compare with null (or use the HasValue property) to see whether a "real" value has been set.
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Very large matrices using Python and NumPy
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The HDF library takes care of reading in the relevant chunks of data and converting to NumPy.
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Python 3 turn range to a list
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@jterrace changed "cast" to "convert". You're right about it not being a cast... I don't really know what to call it exactly.
– mgilson
Jul 14 '12 at 1:21
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Select first row in each GROUP BY group?
... Informix 12.x also supports window functions (the CTE needs to be converted to a derived table though). And Firebird 3.0 will also support Window functions
– a_horse_with_no_name
Mar 14 '14 at 9:19
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Search text in fields in every table of a MySQL database
...NOT
# MISUSE AND YOU COULD CRASH A LARGE SERVER
SELECT
CONCAT('SELECT CONVERT(',A.COLUMN_NAME, ' USING utf8) FROM ', A.TABLE_SCHEMA, '.', A.TABLE_NAME,
' WHERE CONVERT(',A.COLUMN_NAME, ' USING utf8) IN (\'%someText%\');')
FROM INFORMATION_SCHEMA.COLUMNS A
WHERE
A.TABLE...
When to use the brace-enclosed initializer?
...no constructor taking std::initializer_list interfering. Similarly std::is_convertible is of no help.
I've investigated if it is in fact possible to hand-roll a trait that can fix that but I'm not overly optimistic about that. In any case I don't think we would be missing much, I think that the fac...
Is it better in C++ to pass by value or pass by constant reference?
...d be able to figure out when passing by value is expensive, and implicitly convert the call to use a const ref if possible.
In theory. In practice, compilers can’t always change this without breaking the function’s binary interface. In some special cases (when the function is inlined) the copy ...
Correct way to define Python source code encoding
...; :
# This Python file uses the following encoding: utf-8
import os, sys
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