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Run certain code every n seconds [duplicate]
... and 0.4ms on the following, so it would take approximately somewhere from 200 to 2500 runs to drift a whole second, which might or might not be significant for you. For more accuracy over thousands of runs one could either calculate the next run based on the RTC or use an external tool such as cron...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
... </head>
<body onload="init()">
<canvas height="200" width="300" id="myCanvas"></canvas>
</body>
</html>
The key is the globalAlpha property.
Tested with IE 9, FF 5, Safari 5, and Chrome 12 on Win7.
...
from list of integers, get number closest to a given value
...ake_closest is called, while leaving the min solution unaltered. Using the 200-item list in the above test, the bisect solution is still the fastest, though only by about 30%.
This is a strange result, considering that the sorting step is O(n log(n))! The only reason min is still losing is that the...
How to wait for 2 seconds?
...Two minutes
WAITFOR DELAY '00:00:02' --Two seconds
WAITFOR DELAY '00:00:00.200' --Two tenths of a seconds
There is also an alternative method of passing it a DATETIME value. You might think I'm confusing this with WAITFOR TIME, but it also works for WAITFOR DELAY.
Considerations for passing DATET...
How to find the key of the largest value hash?
...s key
end
hash = { "n" => 100, "m" => 100, "y" => 300, "d" => 200, "a" => 0 }
largest_hash_key(hash)
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Optimizing away a “while(1);” in C++0x
...r infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft essentially gives
undefined behavior to infinite loops in 6.8.5p6. A major issue for
doing so is that it allo...
Just what is Java EE really? [closed]
...mitigates the risk of vendor lock-in.
It's really no different with C and C++ compilers, where you have many competing offerings as well all adhering to the C++ standard.
Why is Java EE library version not in sync with standard Java library releases (Java EE 6 vs. Java 7)
Java EE builds on Java S...
How can I count the occurrences of a list item?
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user2357112 supports Monica
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answered Apr 8 '10 at 13:31
ŁukaszŁuka...
How does free know how much to free?
... the pointer itself. It's both unnecessary and dangerous: void *x = malloc(200); free(x, 500); is not going to end well :-) In any case, for efficiency, the actual size of the buffer may be larger (you just can't rely on this).
– paxdiablo
Dec 5 '19 at 2:30
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Git copy file preserving history [duplicate]
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In my case, I made the change on my hard drive (cut/pasted about 200 folders/files from one path in my working copy to another path in my working copy), and used SourceTree (2.0.20.1) to stage both the detected changes (one add, one remove), and as long as I staged both the add and remove ...