大约有 9,900 项符合查询结果（耗时：0.0333秒） [XML]
How to delete history of last 10 commands in shell?
...
@WherethereisaWill OP wanted a script, not a manual plug and chug.
– Tyler Jandreau
Feb 7 '13 at 12:11
11
...
Calculate distance between 2 GPS coordinates
...istance between two coordinates by latitude and longitude, including a Javascript implementation.
West and South locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians. Many languages have this function. Or it...
libpng warning: iCCP: known incorrect sRGB profile
... However, I had images buried in sub-folders, so I used this simple Python script to apply this to all images in all sub-folders and thought it might help others:
import os
import subprocess
def system_call(args, cwd="."):
print("Running '{}' in '{}'".format(str(args), cwd))
subprocess.cal...
download file using an ajax request
... always make the AJAX request/window.location a fallback by using some JavaScript to test if download is supported and if not, switching it to call window.location.
Original answer
You can't have an AJAX request open the download prompt since you physically have to navigate to the file to prompt f...
Ruby sleep or delay less than a second?
I'm making a script with ruby that must render frames at 24 frames per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second?
...
How to link C++ program with Boost using CMake
...r, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common libraries. You could just check the documentation in that file for more information about how it works.
An example out of my head:
FIND_PACKAGE( Boost 1.40 COMPONENTS program_options REQUIRED )
INCLUDE_DI...
Move entire line up and down in Vim
...mbinations. These are line missing and extra line jumping.
So here is the scripting solution which can be placed either inside .vimrc or ~/.vim/plugin/swap_lines.vim
function! s:swap_lines(n1, n2)
let line1 = getline(a:n1)
let line2 = getline(a:n2)
call setline(a:n1, line2)
call se...
How to highlight a current menu item?
...
But its not perfect yet. Watch out for the hashbangs ;)
Here is the javascript for directive:
angular.module('link', []).
directive('activeLink', ['$location', function (location) {
return {
restrict: 'A',
link: function(scope, element, attrs, controller) {
var clazz = ...
How to flatten an ExpandoObject returned via JsonResult in asp.net mvc?
...at works only for ExpandoObject and then register it in an instance of JavaScriptSerializer. This way you could serialize arrays of expando,combinations of expando objects and ... until you find another kind of object that is not getting serialized correctly("the way u want"), then you make another ...
Visibility of global variables in imported modules
I've run into a bit of a wall importing modules in a Python script. I'll do my best to describe the error, why I run into it, and why I'm tying this particular approach to solve my problem (which I will describe in a second):
...