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How can I check if a program exists from a Bash script?
... validate that a program exists, in a way that will either return an error and exit, or continue with the script?
37 Answer...
Android notification is not showing
I need a program that will add a notification on Android. And when someone clicks on the notification, it should lead them to my second activity.
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A regex to match a substring that isn't followed by a certain other substring
...-----------------------------------------
( group and capture to \1:
--------------------------------------------------------------------------------
\w+ word characters (a-z, A-Z, 0-9, _) (1 or
more times (matching the m...
What are some uses of decltype(auto)?
... uses
You can also use decltype(auto) in other contexts, e.g. the draft Standard N3936 also states
7.1.6.4 auto specifier [dcl.spec.auto]
1 The auto and decltype(auto) type-specifiers designate a placeholder
type that will be replaced later, either by deduction from an
initializer or by ...
How do I get the current username in Windows PowerShell?
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A quick and dirty alternative would be $env:username to retrieve the user name from the corresponding environment variable.
– guillermooo
Jan 21 '10 at 0:25
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Fill remaining vertical space with CSS using display:flex
...tomato;
/* no flex rules, it will grow */
}
div {
flex: 1; /* 1 and it will fill whole space left if no flex value are set to other children*/
background: gold;
overflow: auto;
}
footer {
background: lightgreen;
min-height: 60px; /* min-height has its purpose :) , unless ...
Ruby Regexp group matching, assign variables on 1 line
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Beware that if no matches are found, match returns nil and you get a NilError. If you are in Rails, I suggest you to change: one, two, three = string.match(/(^.*)(:)(.*)/i).captures into: one, two, three = string.match(/(^.*)(:)(.*)/i).try(:captures)
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Differences between Microsoft .NET 4.0 full Framework and Client Profile
The Microsoft .NET Framework 4.0 full installer (32- and 64-bit) is 48.1 MB and the Client Profile installer is 41.0 MB. The extracted installation files are 237 MB and 194 MB respectively, and once installed, they are 537 MB and 427 MB.
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Java's Virtual Machine and CLR
As a sort of follow up to the question called Differences between MSIL and Java bytecode? , what is the (major) differences or similarity in how the Java Virtual Machine works versus how the .NET Framework Common Language Runtime (CLR) works?
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Replacing H1 text with a logo image: best method for SEO and accessibility?
...o.png" alt="Stack Overflow" />
</a>
</h1>
title in href and img to h1 is very, very important!
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