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How can I check if a command exists in a shell script? [duplicate]
... find an alternative version to support aliases
type will tell you exactly what you are looking at (be it a Bash function or an alias or a proper binary).
type doesn't require a subprocess
type cannot be masked by a binary (for example, on a Linux box, if you create a program called which which appe...
Best practices for exception management in Java or C# [closed]
...most exception handler to turn any unhandled
exceptions into something somewhat useful for the end user but
otherwise you should not try to catch each and every exception in
every possible place.
share
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How to replace plain URLs with links?
... a pity the URL regexp from Component isn't commented, some explanation of what it is doing would be helpful. Autolinker.js is commented very well and has tests. The urlize.js library linked to in Vebjorn Ljosa's answer also looks featureful and well maintained, although it doesn't have tests.
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How to use JavaScript regex over multiple lines?
...d classic Mac OS style line endings: (.|[\r\n]).
That turns out to be somewhat cumbersome, as well as slow, (see KrisWebDev's answer for details), so a better approach would be to match all whitespace characters and all non-whitespace characters, with [\s\S], which will match everything, and is fas...
How to access parameters in a RESTful POST method
... will take care of decoding the body and passing it to the method. Here's what you should see on the wire:
POST /create HTTP/1.1
Host: www.example.com
Content-Type: application/x-www-form-urlencoded;charset=UTF-8
Content-Length: 25
param1=hello&param2=world
The content is URL encoded in thi...
UITableView, Separator color where to set?
...ew in IB and set the "delegate" and "datasource" and all is working well. What I wanted to do next was change the separator color, but the only way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
...
git command to move a folder inside another
...entire folder, and the folder contains unstaged changes, git will not know what to do.
After moving the files you might want to clean the repository to remove any remaining unstaged changes - just remember to dry-run first!
git clean -fd -n
...
Exporting functions from a DLL with dllexport
...de C++, see the second section below.
Exporting/Importing DLL Libs in VC++
What you really want to do is define a conditional macro in a header that will be included in all of the source files in your DLL project:
#ifdef LIBRARY_EXPORTS
# define LIBRARY_API __declspec(dllexport)
#else
# define...
How to solve WAMP and Skype conflict on Windows 7? [closed]
...
What port number would you recommend to use instead? I just entered 443, since only 80 was conflicting.
– skibulk
Sep 21 '15 at 20:23
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Python extract pattern matches
...his:
import re
s = #that big string
# the parenthesis create a group with what was matched
# and '\w' matches only alphanumeric charactes
p = re.compile("name +(\w+) +is valid", re.flags)
# use search(), so the match doesn't have to happen
# at the beginning of "big string"
m = p.search(s)
# searc...