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String isNullOrEmpty in Java? [duplicate]
...ing just has whitespace(s). What does "empty" means in real world ? Sounds fun to me!
– asyncwait
Feb 27 '14 at 15:01
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Event system in Python
...ent()
>>> e()
>>> e.append(f)
>>> e(123)
f(123)
>>> e.remove(f)
>>> e()
>>> e += (f, g)
>>> e(10)
f(10)
g(10)
>>> del e[0]
>>> e(2)
g(2)
"""
def __call__(self...
How to count total lines changed by a specific author in a Git repository?
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If the url doesn't work for you, try this: git clone https://github.com/arzzen/git-quick-stats.git
– Nicolas
Feb 26 '19 at 16:56
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Effects of changing Django's SECRET_KEY
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According to this page https://docs.djangoproject.com/en/dev/topics/signing/, the SECRET_KEY is mostly used for transitory stuff -- signing data sent over the wire so you can detect tampering, for example. It looks like the things that COULD break ...
Can Android Studio be used to run standard Java projects?
...13 Ultimate...
...that doesn't require a database or app server.
http://www.jetbrains.com/idea/
IDEA 12 Community doesn't have the ability to import the gradilized project and it won't, so while you can do Android development in it now (I do), don't expect it to have the same features as Android...
$(document).ready equivalent without jQuery
...lback();
});
}
ready(function(){
// do something
});
Taken from
https://plainjs.com/javascript/events/running-code-when-the-document-is-ready-15/
Another good domReady function here taken from https://stackoverflow.com/a/9899701/175071
As the accepted answer was very far from complete...
Windows batch: echo without new line
...white space may be stripped
Leading = causes a syntax error.
See http://www.dostips.com/forum/viewtopic.php?f=3&t=4209 for more information.
jeb posted a clever solution that solves most of the problems at Output text without linefeed, even with leading space or = I've refined the method so ...
How to pass command line arguments to a rake task
...something like this:
$ rake user:create -- --user test@example.com --pass 123
note the --, that's necessary for bypassing standard Rake arguments. Should work with Rake 0.9.x, <= 10.3.x.
Newer Rake has changed its parsing of --, and now you have to make sure it's not passed to the OptionParse...
.NET / C# - Convert char[] to string
...n', 'g'};
string s = string.Join("", chars);
//we get "a string"
// or for fun:
string s = string.Join("_", chars);
//we get "a_ _s_t_r_i_n_g"
share
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improve this answer
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Default implementation for Object.GetHashCode()
...t in my case. For example, GetHashCode for int returns the number itself: (123).GetHashCode() returns 123.
– fdermishin
Apr 8 '11 at 19:43
5
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