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Set attribute without value
... answered Oct 31 '12 at 13:37
Callum McLeanCallum McLean
1,20177 silver badges1212 bronze badges
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What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
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MySQL maximum memory usage
...is no general rule of thumb for what is recommend for your MySQL setup. It all depends on the current usage or the projections.
Settings & database
MySQL offers countless variables and switches to optimize its behavior. If you run into issues, you really need to sit down and read the (f'ing) m...
Why does C++ require a user-provided default constructor to default-construct a const object?
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This was considered a defect (against all versions of the standard) and it was resolved by Core Working Group (CWG) Defect 253. The new wording for the standard states in http://eel.is/c++draft/dcl.init#7
A class type T is const-default-constructible if
def...
How to discover number of *logical* cores on Mac OS X?
...id-2011 1.7GHz MacBook Air, this command says 4. However, I suspected it really only has 2 cores, and system_profiler SPHardwareDataType seems to agree. Can you explain the discrepancy?
– Joshua Flanagan
Sep 24 '11 at 1:42
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How to Use slideDown (or show) function on a table row?
...I was like "Nah, that won't look good" but then I tried it and it looked really good! Thanks for the trip!
– Kenton de Jong
Feb 15 '17 at 21:58
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What's the purpose of the LEA instruction?
...ed to support high-level languages like Pascal and C, where arrays—especially arrays of ints or small structs—are common. Consider, for example, a struct representing (x, y) coordinates:
struct Point
{
int xcoord;
int ycoord;
};
Now imagine a statement like:
int y = points[i].ycoor...
Logic to test that 3 of 4 are True
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Thanks! This is really what I meant to do, but my idea was so clumsy that I reached for boolean logic.
– Simon Kuang
Mar 9 '14 at 20:33
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Handling exceptions from Java ExecutorService tasks
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Thanks, I ended up using this solution. Additionally, in case anyone is interested: others have suggested not subclassing the ExecutorService, but I did anyway because I wanted to monitor tasks as they complete rather than waiting for all of them to terminate and then call...
deciding among subprocess, multiprocessing, and thread in Python?
I'd like to parallelize my Python program so that it can make use of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchan...