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CSS Child vs Descendant selectors
...e green, but ghi will have red background color.
IMPORTANT: If you change order of the rules to:
div>span{background:green}
div span{background:red}
All letters will have red background, because descendant selector selects child's too.
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Class method differences in Python: bound, unbound and static
...calls the __get__() method of the CPO to access the value it contains.
In order to determine if a CPO is a descriptor, python interpretor checks if it implements the descriptor protocol. To implement descriptor protocol is to implement 3 methods
def __get__(self, instance, owner)
def __set__(self,...
Detecting Unsaved Changes
...very keystroke. (I usually use it alongside change with JQuery's one(), in order to prevent multiple events.)
– SpazzMarticus
Oct 24 '18 at 10:59
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Task vs Thread differences [duplicate]
...izing switching cost - aka inline execution) 2) prefer execute tasks in an order they were started - aka PreferFairness 3) more effective distribution of tasks between inactive threads depending on "prior knowledge of tasks activity" - aka Work Stealing. Important: in general "async" is not same as...
Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...n by parallel, since JS is single-threaded? Do you mean that the execution order is non-deterministic?
– Derek
Mar 3 '15 at 20:12
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Why are these constructs using pre and post-increment undefined behavior?
...ne the value to be stored.
and 6.5.16 Assignment operators, §4:
The order of evaluation of the operands is unspecified. If an attempt is made to modify
the result of an assignment operator or to access it after the next sequence point, the
behavior is undefined.
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Bash Templating: How to build configuration files from templates with Bash?
...lt;<EOF
<Location ${STATUS_URI}>
SetHandler server-status
Order deny,allow
Deny from all
Allow from ${MONITOR_IP}
</Location>
EOF
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Cleanest way to build an SQL string in Java
... and rebuild the SQL statement. Also, you can extract bind values in their order using jooq.org/javadoc/latest/org/jooq/Query.html#getBindValues(), or named bind values by their names using jooq.org/javadoc/latest/org/jooq/Query.html#getParams(). My answer just contains a very simplistic example... ...
Redis cache vs using memory directly
... etc ...
Redis can replicate its activity with a master/slave mechanism in order to implement high-availability.
Basically, if you need your application to scale on several nodes sharing the same data, then something like Redis (or any other remote key/value store) will be required.
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Learning WebGL and three.js [closed]
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For a first 3d project, experts suggest using a library like Three.js in order to get used to the terms and the general 3d model.
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