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Redis cache vs using memory directly
...ache: it provides various data structures, various item eviction policies, blocking queues, pub/sub, atomicity, Lua scripting, 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...
Can you set a border opacity in CSS?
...w there isn't what i do normally in this kind of circumstances is create a block beneath with a bigger size((bordersize*2)+originalsize) and make it transparent using
filter:alpha(opacity=50);
-moz-opacity:0.5;
-khtml-opacity: 0.5;
opacity: 0.5;
here is an example
#main{
width:400px;
ove...
Black transparent overlay on image hover with only CSS?
...one; background-color: rgba(0,0,0,0.5); }
.image:hover .overlay { display: block; }
You needed to put the :hover on image, and make the .overlay cover the whole image by adding right:0; and bottom:0.
jsfiddle: http://jsfiddle.net/Zf5am/569/
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#if DEBUG vs. Conditional(“DEBUG”)
...seful compared to the other 2 alternatives. This guarantees that the whole block is compiled, and Debugger.IsAttached must be called at runtime even in release builds.
– Jai
Nov 12 '19 at 2:01
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How do I keep two side-by-side divs the same height?
...nd div to go down in smaller screens you will need to set .row to display: block; in your media query.
– Nick Zulu
Dec 30 '13 at 2:10
7
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codestyle; put javadoc before or after annotation?
...st vital of issues, but I just realised that I can put the javadoc comment block before or after the annotation. What would we want to adopt as a coding standard?
...
Open document with default OS application in Python, both in Windows and Mac OS
... not at all be more helpful than simply ignoring the error).
Spawns a (non-blocking) subprocess: We don't need to wait for the child process, since we're by problem statement starting a separate process.
To the objection "But subprocess is preferred." However, os.system() is not deprecated, and i...
How to find all combinations of coins when given some dollar value
... as the last value. You can add a small amount of code to the innermost if block to fix it (as I describe in my answer to the other question).
– Blckknght
Dec 20 '15 at 5:51
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How to output loop.counter in python jinja template?
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Inside of a for-loop block, you can access some special variables including loop.index --but no loop.counter. From the official docs:
Variable Description
loop.index The current iteration of the loop. (1 indexed)
loop.index0 The current iter...
What does @: (at symbol colon) mean in a Makefile?
...function in Python that only contains pass. It can be useful for stubbing blocks of code for copy/paste but they generally shouldn't exist for long. When stubbing this way the file would still compile, pass linting, etc.
– boweeb
May 21 '19 at 18:33
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