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What does %s mean in a python format string?
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nice. %d saves you from casting str(int). any idea what the %s and %d stand for? i guess i'll remember them as string and digit.
– user391339
Apr 3 '16 at 19:29
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Reading my own Jar's Manifest
...jority of Sun classloaders are, including AppletClassLoader.
You can then cast it and call findResource() which has been known - for applets, at least - to return the needed manifest directly:
URLClassLoader cl = (URLClassLoader) getClass().getClassLoader();
try {
URL url = cl.findResource("META...
Maximum filename length in NTFS (Windows XP and Windows Vista)?
...ndividual components of a filename (i.e. each subdirectory along the path, and the final filename) are limited to 255 characters, and the total path length is limited to approximately 32,000 characters.
However, on Windows, you can't exceed MAX_PATH value (259 characters for files, 248 for folders)...
Check whether variable is number or string in JavaScript
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Best way to do that is using isNaN + type casting:
Updated all-in method:
function isNumber(n) { return !isNaN(parseFloat(n)) && !isNaN(n - 0) }
The same using regex:
function isNumber(n) { return /^-?[\d.]+(?:e-?\d+)?$/.test(n); }
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How to avoid scientific notation for large numbers in JavaScript?
...the first one is a formatted string and the second one is a Number. If you cast the first one to a Number, you will see that they are absolutely equal: jsfiddle.net/qd6hpnyx/1. You can take your downvote back :P
– VisioN
Jan 18 '17 at 22:50
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How do I get Windows to go as fast as Linux for compiling C++?
...ng, you're not going to get more than partisan comments (which I won't do) and speculation (which is what I'm going to try).
File system - You should try the same operations (including the dir) on the same filesystem. I came across this which benchmarks a few filesystems for various parameters.
Ca...
What is stdClass in PHP?
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stdClass is just a generic 'empty' class that's used when casting other types to objects. Despite what the other two answers say, stdClass is not the base class for objects in PHP. This can be demonstrated fairly easily:
class Foo{}
$foo = new Foo();
echo ($foo instanceof stdClass...
Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
10 Answers
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How do I seed a random class to avoid getting duplicate random values [duplicate]
...blic Random()
: this(Environment.TickCount) {
}
This avoids having to cast DateTime.UtcNow.Ticks from a long, which is risky anyway as it doesn't represent ticks since system start, but "the number of 100-nanosecond intervals that have elapsed since 12:00:00 midnight, January 1, 0001 (0:00:00 U...
How to detect unused methods and #import in Objective-C
...where your dynamic code might be better served by being more strongly type-cast (i.e. return something instead of an id). Runtime typing is a strong point of Cocoa/Objective-C programming, but sometimes maintenance and readability would be better served by thinking more about strong typing.
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