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In C++, what is a “namespace alias”?
...ave to specify the namespace to use classes within that namespace. ie std::string becomes string.
my resource: https://www.quora.com/What-is-namespace-in-C++-1
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What is the difference between “instantiated” and “initialized”?
...are value types. In contrast, any class you create is a reference type. C# strings are also a reference type. Most things in the .NET framework are reference types.
Parts of a Variable
There is the variable name and it's value. Two parts.
The variable's name is what you declare it to be. The valu...
How to get Erlang's release version number from a shell?
Many programs return their version number with a command like:
11 Answers
11
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Split output of command by columns using Bash?
...h is to use the shell variable IFS which defaults to a space, to split the string into an array. It only works in Bash though. Dash and Ash do not support it. I have had a really hard time splitting a string into components in a Busybox thing. It is easy enough to get a single component (e.g. using ...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...blem here is that e.g. Money(0.1)means that the JavaScript lexer reads the string "0.1" from the source and then converts it to a binary floating point and then you already did an unintended rounding. The problem is about representation (binary vs decimal) not about precision.
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Limit text length to n lines using CSS
... var max = 200;
var tot, str;
$('.text').each(function() {
str = String($(this).html());
tot = str.length;
str = (tot <= max)
? str
: str.substring(0,(max + 1))+"...";
$(this).html(str);
});
},500); // Delayed for example only.
.text {
position: relati...
How to mark a build unstable in Jenkins when running shell scripts
...
It can be done without printing magic strings and using TextFinder. Here's some info on it.
Basically you need a .jar file from http://yourserver.com/cli available in shell scripts, then you can use the following command to mark a build unstable:
java -jar jenk...
How to apply two CSS classes to a single element
...
Include both class strings in a single class attribute value, with a space in between.
<a class="c1 c2" > aa </a>
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What is the difference between --save and --save-dev?
...ject that maps a package name
to a version range. The version range is a string which has one or
more space-separated descriptors. Dependencies can also be identified
with a tarball or git URL.
Please do not put test harnesses or transpilers in your dependencies
object. See devDependenc...
SFTP in Python? (platform independent)
...
Paramiko supports SFTP. I've used it, and I've used Twisted. Both have their place, but you might find it easier to start with Paramiko.
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