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Volatile vs Static in Java
...les.
Using volatile variables reduces the risk of memory consistency errors, because any write to a volatile variable establishes a happens-before relationship with subsequent reads of that same variable. This means that changes to a volatile variable are always visible to other threads
Have...
What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
...able for all instances, the code this.permament will result in compilation errors because it can be recalled that this.variablename refers to the instance variable name. Thus, static variables are to be accessed directly, as indicated in the code.
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How do I set up a basic Ruby project?
...lasses if I wasn't able to find any class in the standard library fits the error description. Nest your error class under the class or module that raises it:
class Parser::Error < RuntimeError; end
begin
Parser.new(:invalid).parse!
rescue Parser::Error => e
puts e.message
end
Unit test...
Filtering a list based on a list of booleans
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answered Sep 6 '13 at 21:05
Alex SzatmaryAlex Szatmary
2,68533 gold badges1818 silver badges2727 bronze badges
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Test a weekly cron job [closed]
...cron.weekly
... or the next one if you receive the "Not a directory: -v" error:
run-parts /etc/cron.weekly -v
Option -v prints the script names before they are run.
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Difference between open and codecs.open in Python
...g in Python 3. Doing so means you get correctly decoded Unicode, or get an error right off the bat, making it much easier to debug.
Pure ASCII "plain text" is a myth from the distant past. Proper English text uses curly quotes, em-dashes, bullets, € (euro signs) and even diaeresis (¨). Don't be ...
Pointer to class data member “::*”
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answered Apr 29 '11 at 16:05
John McFarlaneJohn McFarlane
3,53722 gold badges2323 silver badges3131 bronze badges
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Android Studio Gradle Configuration with name 'default' not found
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this one should be accepted answer. misleading error message in most cases means that you forgot to clone submodules
– vigilancer
Nov 17 '16 at 5:26
1
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git-svn: how do I create a new svn branch via git?
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edited Jan 1 '09 at 14:05
answered Nov 5 '08 at 20:36
kc...
How do you declare an interface in C++?
...ant them.
– Ha11owed
Aug 1 '12 at 6:05
9
Ha11owed: It has interfaces. They're called classes with...