大约有 15,000 项符合查询结果(耗时:0.0598秒) [XML]
Function to calculate distance between two coordinates
...
Your function is calculating as the crow flies (straight line distance).
alert(calcCrow(59.3293371,13.4877472,59.3225525,13.4619422).toFixed(1));
//This function takes in latitude and longitude of two location and returns the distance between them as the crow flies (in km)
function calc...
What is the exact meaning of Git Bash?
...for Windows, nowadays has no relation to msysGit
So, your two lines description about "git bash" are:
"Git bash" is a msys shell included in "Git for Windows", and is a slimmed-down version of Cygwin (an old version at that), whose only purpose is to provide enough of a POSIX layer to run a ba...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
...s of storage on disk and in server memory.
Quick calculation - using INT vs. GUID as Primary and Clustering Key:
Base Table with 1'000'000 rows (3.8 MB vs. 15.26 MB)
6 nonclustered indexes (22.89 MB vs. 91.55 MB)
TOTAL: 25 MB vs. 106 MB - and that's just on a single table!
Some more food for ...
Running a Python script from PHP
I'm trying to run a Python script from PHP using the following command:
9 Answers
9
...
String comparison in bash. [[: not found
... in bash. I already found an answer on how to do it on stackoverflow . In script I am trying, I am using the code submitted by Adam in the mentioned question:
...
What is an example of the simplest possible Socket.io example?
...of things that confuse me, or connect to some weird database, or use coffeescript or tons of JS libraries that clutter things up.
...
Chrome Extension - Get DOM content
...
The terms "background page", "popup", "content script" are still confusing you; I strongly suggest a more in-depth look at the Google Chrome Extensions Documentation.
Regarding your question if content scripts or background pages are the way to go:
Content scripts: Defi...
What is the difference between std::array and std::vector? When do you use one over other? [duplicat
...gregate
is fixed-size
requires that its
elements be default constructible (vs
copy (C++03) or move (C++0x)
constructible)
is linearly
swappable (vs constant time)
is linearly movable (vs constant time)
potentially pays one less indirection than std::vector
A good use case is when doing things 'clo...
How can I check if a directory exists in a Bash shell script?
...and can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
...
What does the line “#!/bin/sh” mean in a UNIX shell script?
I was going through some shell script tutorials and found the following sample program:
5 Answers
...
