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Ruby regular expression using variable name
...ub( /#{var}/, 'foo' ) # => "a test foo"
Things get more interesting if var can contain regular expression meta-characters. If it does and you want those matacharacters to do what they usually do in a regular expression, then the same gsub will work:
var = "Value|a|test"
str = "a test Value"...
Sass .scss: Nesting and multiple classes?
...ner.desc {
background: blue;
}
The & will completely resolve, so if your parent selector is nested itself, the nesting will be resolved before replacing the &.
This notation is most often used to write pseudo-elements and -classes:
.element{
&:hover{ ... }
&:nth-chi...
How to “properly” print a list?
...
This is simple code, so if you are new you should understand it easily enough.
mylist = ["x", 3, "b"]
for items in mylist:
print(items)
It prints all of them without quotes, like you wanted.
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How to enable file sharing for my app?
...
You just have to set UIFileSharingEnabled (Application Supports iTunes file sharing) key in the info plist of your app. Here's a link for the documentation. Scroll down to the file sharing support part.
In the past, it was also necessary to defin...
getting the ng-object selected with ng-change
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If I set my model as item, how do I preselect a value?
– Patrick
Jan 17 '13 at 19:57
5
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How can I divide two integers to get a double?
...ant to cast the numbers:
double num3 = (double)num1/(double)num2;
Note: If any of the arguments in C# is a double, a double divide is used which results in a double. So, the following would work too:
double num3 = (double)num1/num2;
For more information see:
Dot Net Perls
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Inline code in org-mode
...d font and export it verbatim (which means it is not processed for org-specific syntax):
This is =verbatim text= or ~code~.
You'll find all information about org-mode markup elements in the relevant section of the manual.
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git -> show list of files changed in recent commits in a specific directory
...ommand as it shows the file status: Added (A), Copied (C), Deleted (D), Modified (M), Renamed (R), and others.
git log --name-status -10 path/to/dir
It is worth looking at the full documentation page for git log. There you will learn that -10 refers to the past 10 commits, and -p will give you t...
Comparator.reversed() does not compile using lambda
...be Object (the inference fallback of last resort), which fails.
Obviously if you can use a method reference, do that and it'll work. Sometimes you can't use a method reference, e.g., if you want to pass an additional parameter, so you have to use a lambda expression. In that case you'd provide an e...
@AspectJ pointcut for all methods of a class with specific annotation
I want to monitor all public methods of all Classes with specified annotation (say @Monitor) (note: Annotation is at class level). What could be a possible pointcut for this?
Note: I am using @AspectJ style Spring AOP.
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