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What REALLY happens when you don't free after malloc?
...ey're a temp file, they might not get deleted when you're done. Also, database handles should have their transactions committed and then closed when you're done with them. Similarly, if you're using an object oriented language like C++ or Objective C, not freeing an object when you're done with it...
How to generate gcc debug symbol outside the build target?
...h
scriptdir=`dirname ${0}`
scriptdir=`(cd ${scriptdir}; pwd)`
scriptname=`basename ${0}`
set -e
function errorexit()
{
errorcode=${1}
shift
echo $@
exit ${errorcode}
}
function usage()
{
echo "USAGE ${scriptname} <tostrip>"
}
tostripdir=`dirname "$1"`
tostripfile=`basename "$1"`...
How do I set cell value to Date and apply default Excel date format?
...ad if somebody could feedback whether that is also showing the "language based different default date format" in Excels with different languages, too.
– BlondCode
Dec 18 '18 at 14:55
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How to apply a Git patch to a file with a different name and path?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...comment to one of my question, I'm thinking if it is better using one database with X schemas or vice versa.
5 Answers
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How to create the perfect OOP application [closed]
... out, then you can start designing a class hierarchy. There is an abstract base class Item. Book inherits from it. There is an abstract class SalesTax; BasicSalesTax inherits from it. And so on.
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Canary release strategy vs. Blue/Green
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I color Python logging output?
...D_WHITE = FOREGROUND_BLUE|FOREGROUND_GREEN |FOREGROUND_RED
# winbase.h
STD_INPUT_HANDLE = -10
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
# wincon.h
FOREGROUND_BLACK = 0x0000
FOREGROUND_BLUE = 0x0001
FOREGROUND_GREEN ...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
... tries to effect something that no longer exists. Best trash the whole database and start again if you can't roll back. So be aware you might need to back something up.
Also: check schema_db for any relevant column names in other tables defined by a has_ or belongs_to or something. You'll probably ...
Java heap terminology: young, old and permanent generations?
...e application. The permanent generation is populated by the JVM at runtime based on classes in use by the application.
PermGen has been replaced with Metaspace since Java 8 release.
PermSize & MaxPermSize parameters will be ignored now
How does the three generations interact/relate to each...