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Why should you remove unnecessary C# using directives?
...t of extension methods shown)
What removing the unused namespaces won't do:
alter in any way the output of the compiler.
alter in any way the execution of the compiled program (faster loading, or better performance).
The resulting assembly is the same with or without unused using(s) removed....
Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...on gets sent to your application.
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(someMethod:)
name:UIApplicationDidBecomeActiveNotification object:nil];
Don't forget to clean up after ...
Ruby on Rails: how to render a string as HTML?
...t;/b>"
<%= @str.html_safe %>
Using raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer what's going on. Details abou...
PHP function to get the subdomain of a URL
Is there a function in PHP to get the name of the subdomain?
28 Answers
28
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Akka or Reactor [closed]
...ell at this point because Reactor is still a sketch and I (Akka tech lead) do not have insight into where it will go. It will be interesting to see if Reactor becomes a competitor to Akka, we are looking forward to that.
As far as I can see, from your requirements list Reactor is missing resilience...
Iterate over object attributes in python
...ethods.
>>> dir(obj)
['__class__', '__delattr__', '__dict__', '__doc__', '__format__', '__getattribute__', '__hash__', '__init__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', 'bar', 'foo', 'f...
Bash if [ false ] ; returns true
...
if [[ false ]]; returns true, too. As does if [[ 0 ]];. And if [[ /usr/bin/false ]]; does not skip the block, either. How can false or 0 evaluate to non-zero? Damn this is frustrating. If it matters, OS X 10.8; Bash 3.
– jww
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Hidden Features of SQL Server
...Will print 'X' 10 times. This can save you from tedious copy/pasting when doing repetitive stuff.
share
answered Sep 26 '08 at 18:13
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Align contents inside a div
...orks fine while the content is text or the browser is IE. But otherwise it does not work.
8 Answers
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Can't execute jar- file: “no main manifest attribute”
...n(String[] args) entry point.
Note that there are several ways to get this done either with the CLI, Maven, Ant or Gradle:
For CLI, the following command will do: (tks @dvvrt)
jar cmvf META-INF/MANIFEST.MF <new-jar-filename>.jar <files to include>
For Maven, something like the followin...