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Functional style of Java 8's Optional.ifPresent and if-not-Present?
... other components.
by the way now its name is more descriptive it is actually Consumer>
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how to get the host url using javascript from the current page
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@MattBrowne When working with something that shall produce a string I'd say you should always use concat. In example var a = 1 + 2 + " should be 12"; vs the concat version of this var a = "".concat(1).concat(2).concat(" should be 12");. Using concat will save you a lot of...
Converting Stream to String and back…what are we missing?
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@Mortennobel ToArray() allocates a new array in memory and copies data over from the buffer, which may have serious implications if you're dealing with a lot of data.
– Levi Botelho
Apr 28 '19 at 21:01
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
...ing possible such as the accepted answer here but I don't see how to actually achieve this.
17 Answers
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How do you properly use namespaces in C++?
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Namespaces are packages essentially. They can be used like this:
namespace MyNamespace
{
class MyClass
{
};
}
Then in code:
MyNamespace::MyClass* pClass = new MyNamespace::MyClass();
Or, if you want to always use a specific namespace, you can d...
Ternary operator (?:) in Bash
... 20 -- this can also be a result of an expression.
This approach is technically called "Parameter Expansion".
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jQuery SVG, why can't I addClass?
...ldclass") (or the more cumbersome .setAttribute("class", "oldclass")) is really not equivalent to removing newclass!
– Tom
Jul 29 '14 at 14:36
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Import existing source code to GitHub
...me.git
If your local GIT repo is already set up, skips steps 2 and 3
Locally, at the root directory of your source, git init
2a. If you initialize the repo with a .gitignore and a README.md you should do a git pull {url from step 1} to ensure you don't commit files to source that you want to ign...
How can I pretty-print JSON in a shell script?
...ou can use
curl http://my_url/ | python -m json.tool
For convenience in all of these cases you can make an alias:
alias prettyjson='python -m json.tool'
For even more convenience with a bit more typing to get it ready:
prettyjson_s() {
echo "$1" | python -m json.tool
}
prettyjson_f() {...
character showing up in files. How to remove them?
...for removing <fffe> character at the beginning of a line, to replace all <fffe> characters in a line: 's/\x{fffe}//g'.
– Diego Pino
Dec 26 '11 at 9:21
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