大约有 46,000 项符合查询结果(耗时:0.0390秒) [XML]

https://stackoverflow.com/ques... 

Get epoch for a specific date using Javascript

... You can create a Date object, and call getTime on it: new Date(2010, 6, 26).getTime() / 1000 share | improve this answer | foll...
https://stackoverflow.com/ques... 

Why does GCC generate such radically different assembly for nearly the same C code?

...I've managed to see how GCC optimizes the first case. Before we can understand why they are so different, first we must understand how GCC optimizes fast_trunc_one(). Believe it or not, fast_trunc_one() is being optimized to this: int fast_trunc_one(int i) { int mantissa, exponent; mantissa...
https://stackoverflow.com/ques... 

How to find out the number of CPUs using python

...is not in use), multiprocessing.cpu_count() is the way to go in Python 2.6 and newer. The following method falls back to a couple of alternative methods in older versions of Python: import os import re import subprocess def available_cpu_count(): """ Number of available virtual or physical CP...
https://stackoverflow.com/ques... 

Referencing system.management.automation.dll in Visual Studio

I am beginning to look into the PowerShell model and snap-in development. The first thing I notice is to reference System.management.automation.dll. However in Visual Studio, the .NET tab does not have that assembly, and nor is one able browse to ...
https://stackoverflow.com/ques... 

Fastest Way to Serve a File Using PHP

...receives a file path, identifies what it is, sets the appropriate headers, and serves it just like Apache would. 8 Answers ...
https://stackoverflow.com/ques... 

Pad a number with leading zeros in JavaScript [duplicate]

...ements. " - I don't think that's correct. It just sets the length property and join iterates length times. Access of an undefined property always returns undefined. See "5" in Array(5) vs "0" in [1] – Benjamin Gruenbaum Jul 24 '14 at 11:56 ...
https://stackoverflow.com/ques... 

In-Place Radix Sort

...rt for DNA. It's written in D because that's the language that I use most and therefore am least likely to make silly mistakes in, but it could easily be translated to some other language. It's in-place but requires 2 * seq.length passes through the array. void radixSort(string[] seqs, size_t base...
https://stackoverflow.com/ques... 

pandas read_csv and filter columns with usecols

I have a csv file which isn't coming in correctly with pandas.read_csv when I filter the columns with usecols and use multiple indexes. ...
https://stackoverflow.com/ques... 

Use HTML5 to resize an image before upload

I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post . ...
https://stackoverflow.com/ques... 

Resize UIImage by keeping Aspect ratio and width

...image by keeping aspect ratio. These functions uses the fixed points(Width and Height) for RECT while resizing. But in my project, I need to resize the view based on the Width alone, Height should be taken automatically based on the aspect ratio. anyone help me to achieve this. ...