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How to join strings in Elixir?
... to join some arbitrary list:
"StringA" <> " " <> "StringB"
or just use string interpolation:
"#{a} #{b}"
If your list size is arbitrary:
Enum.join(["StringA", "StringB"], " ")
... all of the solutions above will return
"StringA StringB"
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How do I check if an element is really visible with JavaScript? [duplicate]
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For the point 2.
I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an element is nested or hidden by another. You can pass the offsets of the targetted element to th...
How to detect if a specific file exists in Vimscript?
I'm looking for an elegant way in Vimscript to check if a file exists in the current directory.
4 Answers
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What's the difference between interface and @interface in java?
...while at University, so I'm a little out of touch - at any rate I've been working on a small Java project this week, and using Intellij IDEA as my IDE, for a change of pace from my regular .Net development.
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IntelliJ Split Window Navigation
If I split the editor window (horizontal or vertical) into N tab groups, how do I switch/toggle from one tab group to another via the keyboard? If all of the tabs are in the same group you can switch from each tab easily (CTRL + right/left arrow), but when they're in separate tab groups I can't. I...
Haskell: Converting Int to String
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@Lega: You may find this useful: haskell.org/hoogle/?hoogle=Int+-%3E+String.
– kennytm
May 6 '10 at 21:13
3
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Is a RelativeLayout more expensive than a LinearLayout?
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In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misunderstanding that caused everyone to start using RelativeLayouts for everything. A RelativeLayout always has to do two measure passes. Overall it is negligible as long as your view hi...
Handler vs AsyncTask vs Thread [closed]
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As the Tutorial on Android background processing with Handlers, AsyncTask and Loaders on the Vogella site puts it:
The Handler class can be used to register to a thread and provides a simple channel to send data to this thread.
The A...
Constructor overload in TypeScript
Has anybody done constructor overloading in TypeScript. On page 64 of the language specification (v 0.8), there are statements describing constructor overloads, but there wasn't any sample code given.
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Exposing database IDs - security risk?
I've heard that exposing database IDs (in URLs, for example) is a security risk, but I'm having trouble understanding why.
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