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Rails: Is there a rails trick to adding commas to large numbers?
... either , or . for decimal digits, even if you specify it as argument). It allocates thousands of objects (so its performance patterns are complex and hard to profile). Consider just using regexps if you don't need to support different ways to format numbers depending on locale.
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How to test chrome extensions?
...me.browserAction, "setPopup");
spyOn(chrome.identity, "removeCachedAuthToken");
fakeToken = "faketoken-faketoken-faketoken";
fakeWindow = jasmine.createSpyObj("window", ["close"]);
// Call the function under test.
logout(fakeWindow, fakeToken);
// Perform assertions.
ex...
Is there a method that calculates a factorial in Java?
...ions with N elements requires bare factorial, and is needed if you want to allocate a structure to hold the permutations.
– Mark Jeronimus
Jan 1 '16 at 17:46
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Passing an array by reference
How does passing a statically allocated array by reference work?
5 Answers
5
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Convert Enum to String
...eans that the value will be boxed and this will waste CPU resources on the allocation and on the garbage collection. If this is done a lot of time, Enum.GetName will have a much lower throughput than caching the values in a dictionary and looking for the name there.
– Ran
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What is the use of “ref” for reference-type variables in C#?
...e of the reference itself; that is, you cannot
use the same reference to allocate memory for a new class and have it
persist outside the block. To do that, pass the parameter using the
ref or out keyword.
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Node.js: How to send headers with form data using request module?
...ase form data is sent I should not have login form in body and should have token. I'll post it here soon, probably it will help
– Mike G.
Jun 17 '13 at 6:32
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How to initialise a string from NSData in Swift
...ngEncoding:NSUTF8StringEncoding];
NSString *myStringFromData = [[NSString alloc] initWithData:myStringData encoding:NSUTF8StringEncoding];
NSLog(@"My string value: %@",myStringFromData);
Swift
//This your data containing the string
let myStringData = "My String".dataUsingEncoding(NSUTF8String...
Elevating process privilege programmatically?
...o elevate the state.
WindowsIdentity identity = new WindowsIdentity(accessToken);
WindowsImpersonationContext context = identity.Impersonate();
Don't forget to undo the impersonated context when you are done.
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Remove a string from the beginning of a string
...e changed for if (0 === strpos($str, $prefix)) to avoid unnecessary memory allocation while keeping the same readability :)
– xDaizu
Feb 1 '17 at 9:17
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