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Run a Docker image as a container
...s something to run. You could replace that with a program that you've installed. /bin/bash is just a handy shell that's already installed.
– Ryan Shillington
Feb 9 '17 at 15:11
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Why implement interface explicitly?
...tance, if you implement both IComparable<T> and IComparable it is usually nicer to hide the IComparable overload to not give people the impression that you can compare objects of different types. Similarly, some interfaces are not CLS-compliant, like IConvertible, so if you don't explicitly im...
Readonly Properties in Objective-C?
...ing"; // Notice the underscore prefix of var name.
That’s it, that’s all you need. No muss, no fuss.
Details
As of Xcode 4.4 and LLVM Compiler 4.0 (New Features in Xcode 4.4), you need not mess with the chores discussed in the other answers:
The synthesize keyword
Declaring a variable
Re-...
How to check if a user likes my Facebook Page or URL using Facebook's API
...xample, the act of liking a Page or checking in to a Place cannot automatically register or enter a promotion participant." - facebook.com/promotions_guidelines.php
– Chris Jacob
May 18 '11 at 1:25
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How do I resolve the “java.net.BindException: Address already in use: JVM_Bind” error?
...u are looking for, with -a and -p options, man netstat is your friend for all the rest :)
– sox with Monica
Jul 26 '17 at 20:38
1
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Any way to declare a size/partial border to a box?
...
Not really. But it's very easy to achieve the effect in a way that degrades gracefully and requires no superfluous markup:
div {
width: 350px;
height: 100px;
background: lightgray;
position: relative;
margin: 20...
What does “@” mean in Windows batch scripts
...off will turn this off for the complete batch file. However, the echo off call itself would still be visible. Which is why you see @echo off in the beginning of batch files. Turn off command echoing and don't echo the command turning it off.
Removing that line (or commenting it out) is often a help...
How do you return from 'gf' in Vim
I am using Vim for windows installed in Unix mode. Thanks to this site I now use the gf command to go to a file under the cursor.
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Zero-pad digits in string
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First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more informa...
Can lambda functions be templated?
...auto x){}; // imaginary syntax
}
In a constrained template you can only call other constrained templates. (Otherwise the constraints couldn't be checked.) Can foo invoke bar(x)? What constraints does the lambda have (the parameter for it is just a template, after all)?
Concepts weren't ready to t...