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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...s is used to create a namespace, i.e. a named object under which functions and variables can be created without unduly polluting the global object.
The reason why it's used is so that if you have two (or more) files:
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.func1 = {
}
and
var MY_NAM...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...s a more complete version that shows more differences between [ (aka test) and [[.
The following table shows that whether a variable is quoted or not, whether you use single or double brackets and whether the variable contains only a space are the things that affect whether using a test with or wit...
Remove padding or margins from Google Charts
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By adding and tuning some configuration options listed in the API documentation, you can create a lot of different styles. For instance, here is a version that removes most of the extra blank space by setting the chartArea.width to 10...
Border around specific rows in a table?
...out tr {outline: thin solid black;}? Works for me on tr or tbody elements, and appears to be compatible with the most browsers, including IE 8+ but not before.
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How to temporarily exit Vim and go back
How could I exit Vim, not :q , and then go back to continue editing?
10 Answers
10
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Spring Data JPA - “No Property Found for Type” Exception
Well, I searched Google and found many results, but none of them was able to answer my problem. So, here it goes.
17 Answer...
When should a class be Comparable and/or Comparator?
I have seen classes which implement both Comparable and Comparator . What does this mean? Why would I use one over the other?
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Activity has leaked ServiceConnection @438030a8 that was original
I'm working on my first Android app. I've got three activities in my app, and the user switches back and forth pretty frequently. I've also got a remote service, which handles a telnet connection. The apps need to bind to this service in order to send/receive telnet messages.
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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
...lso worked for me on ASP.NET Core 1.0 RC1, although it is now in Debug tab and I had to toggle SSL Enable off and on again to generate a new port then copy that to Launch URL box. stackoverflow.com/a/35706891/134761
– angularsen
Feb 29 '16 at 18:32
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Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]
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What you are doing now is fine, and I highly recommend you stick with your current syntax, being:
context + verb + how
I use this method to name functions/methods, SQL stored procs, etc. By keeping with this syntax, it will keep your Intellisense/Code Pa...