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How to get the difference between two arrays in JavaScript?
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May I know what will happen when var a1 = ['a', 'b']; and var a2 = ['a', 'b', 'c', 'd', 'b'];, it will return wrong answer, i.e. ['c', 'd', 'b'] instead of ['c', 'd'].
– skbly7
Oct 11 '15 at 23...
How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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How to delete an object by id with entity framework
...inactive for 2 years
ctx.Users.Where(x => x.LastLoginDate < DateTime.Now.AddYears(-2))
.Delete();
It is also useful for bulk deletes.
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What is the proper way to re-attach detached objects in Hibernate?
....getYetAnotherEntity(), you may have a LazyInit exception. The only way I know to overcome that is to use find. entity = em.find(entity.getClass(), entity.getId();
– John Rizzo
Mar 29 '11 at 9:16
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Autocompletion in Vim
...ion. Finally a plugin that delivers. I’ve been using it for several days now. It only took four years to answer this question. ;-)
– Konrad Rudolph
Feb 8 '13 at 8:05
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What is the standard naming convention for html/css ids and classes?
...convention (if any).
Update 2012
I've changed how I program over time. I now use camel case (thisIsASelector) instead of hyphens now; I find the latter rather ugly. Use whatever you prefer, which may easily change over time.
Update 2013
It looks like I like to mix things up yearly... After switc...
string.charAt(x) or string[x]?
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Bracket notation now works on all major browsers, except for IE7 and below.
// Bracket Notation
"Test String1"[6]
// charAt Implementation
"Test String1".charAt(6)
It used to be a bad idea to use brackets, for these reasons (Source):
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How to Execute a Python File in Notepad ++?
...> Run.. (F5). Type in:
C:\Python26\python.exe "$(FULL_CURRENT_PATH)"
Now, instead of pressing run, press save to create a shortcut for it.
Notes
If you have Python 3.1: type in Python31 instead of Python26
Add -i if you want the command line window to stay open after the script has finished...
Custom toast on Android: a simple example
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I also don't know the purpose of the root view (null), but in the official docs is present too, if someone can explain why, would be great! developer.android.com/guide/topics/ui/notifiers/toasts#java
– Nestor Perez
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Using IntelliJ to amend git commit message
... This answer is no longer true since 2017.2. You can do it easily now : Version Control panel > Log tab > select last commit > press F2. jetbrains.com/idea/whatsnew/#v2017-2-version-control
– DLight
Feb 26 '18 at 10:41
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