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Why do we need break after case statements?
...ing();
break;
case 'D':
case 'E':
doSomethingElse();
break;
etc. Just an example.
In my experience, usually it is bad style to "fall through" and have multiple blocks of code execute for one case, but there may be uses for it in some situations.
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How to add color to Github's README.md file
...``
```js
// code for coloring
```
```css
// code for coloring
```
// etc.
No "pre" or "code" tags needed.
This is covered in the GitHub Markdown documentation (about half way down the page, there's an example using Ruby). GitHub uses Linguist to identify and highlight syntax - you can find...
Dynamically select data frame columns using $ and a character value
...alise that $, like everything else in R, (including for instance ( , + , ^ etc) is a function, that takes arguments and is evaluated. df$V1 could be rewritten as
`$`(df , V1)
or indeed
`$`(df , "V1")
But...
`$`(df , paste0("V1") )
...for instance will never work, nor will anything else that...
Should arrays be used in C++?
...lved rather elegantly by using a make_array function, similar to make_pair etc. Hat-tip to @R. Martinho Fernandes.
– Konrad Rudolph
May 23 '12 at 15:03
...
How to prettyprint a JSON file?
...int from the command line and be able to have control over the indentation etc. you can set up an alias similar to this:
alias jsonpp="python -c 'import sys, json; print json.dumps(json.load(sys.stdin), sort_keys=True, indent=2)'"
And then use the alias in one of these ways:
cat myfile.json | js...
What is the difference between an int and a long in C++?
...ow you to modify the default size of int and long ie force them to 8 or 16 etc. See you compiler documentation for details.
– Martin York
Nov 7 '08 at 17:27
7
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How can I check if multiplying two numbers in Java will cause an overflow?
...
Java 8 has Math.multiplyExact, Math.addExact etc. for ints and long. These throw an unchecked ArithmeticException on overflow.
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Why do stacks typically grow downwards?
I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one).
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How to set the part of the text view is clickable
...blic void onClick(View textView) {
ToastUtil.show(getContext(),"Clicked Smile ");
}
};
//For Click
myString.setSpan(clickableSpan,startIndex,lastIndex,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
//For UnderLine
myS...
In a .csproj file, what is for?
...r a command line project, WinForm project or UnitTest project (in my case) etc. None and Content have no different behavior.
MSDN: "project output group" or "Content output group" only terms used in a Web project, right?
sh...