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How can I check if a command exists in a shell script? [duplicate]
...my first shell script. In my script I would like to check if a certain command exists, and if not, install the executable. How would I check if this command exists?
...
How do you test running time of VBA code?
... class, call it CTimer say, then you can make an instance somewhere global and just call .StartCounter and .TimeElapsed
Option Explicit
Private Type LARGE_INTEGER
lowpart As Long
highpart As Long
End Type
Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount ...
Double decimal formatting in Java
...le: String.format(Locale.US,"%.2f", 4.52135);
– Alexander233
Sep 22 '17 at 20:16
3
I would say "...
Center a DIV horizontally and vertically [duplicate]
Is there a way to CENTER A DIV vertically and horizontally but, and that is important, that the content will not be cut when the window is smaller than the content The div must have a background color and a width and hight.
...
How to automatically remove trailing whitespace in Visual Studio 2008?
...
CodeMaid is a very popular Visual Studio extension and does this automatically along with other useful cleanups.
Download: https://github.com/codecadwallader/codemaid/releases/tag/v0.4.3
Modern Download: https://marketplace.visualstudio.com/items?itemName=SteveCadwallader.C...
Curl GET request with json parameter
I am trying to send a "GET" request to a remote REST API from Command Prompt via cURL like this:
7 Answers
...
Difference between two lists
...Using Except is exactly the right way to go. If your type overrides Equals and GetHashCode, or you're only interested in reference type equality (i.e. two references are only "equal" if they refer to the exact same object), you can just use:
var list3 = list1.Except(list2).ToList();
If you need t...
Add floating point value to android resources/values
I'm trying to add a little space between lines to my TextViews using android:lineSpacingMultiplier
from the documentation :
...
Can I disable a CSS :hover effect via JavaScript?
...ernative workaround though. If you don’t mind mucking about in your HTML and CSS a little bit, it saves you having to reset every CSS property manually via JavaScript.
HTML
<body class="nojQuery">
CSS
/* Limit the hover styles in your CSS so that they only apply when the nojQuery
class...
Saving enum from select in Rails 4.1
...t;sparkling</option>
</select>
Values went from "0" to "red" and now we're all set.
If you're using a regular ol' rails text_field it's:
f.select :color, Wine.colors.keys.to_a
If you want to have clean human-readable attributes you can also do:
f.select :color, Wine.colors.key...