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Access to Modified Closure (2)
...nt -= foo;
Likewise, if you want a once-only event-handler (such as Load etc):
EventHandler bar = null; // necessary for "definite assignment"
bar = delegate {
// ... code
obj.SomeEvent -= bar;
};
obj.SomeEvent += bar;
This is now self-unsubscribing ;-p
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Mercurial for Beginners: The Definitive Practical Guide
...f you have a bunch of files like deploy-test.conf, deploy-production.conf, etc and don't want to version them (they might have passwords in them) but you do want to version deploy-template.conf you can just ignore deploy* and manually add deploy-templace.conf.
– Steve Losh
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Find size of object instance in bytes in c#
... instance (collections of different objects, compositions, single objects, etc)
15 Answers
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How to set or change the default Java (JDK) version on OS X?
...ng answers (jenv, or custom aliases/scripts around /usr/libexec/java_home, etc).
Details of investigation in this gist.
(*) Current answers are either obsolete (no longer valid for macOS El Capitan or Sierra), or only address a single JDK, or do not address the system-wide aspect. Many explain...
How can I merge properties of two JavaScript objects dynamically?
...ith the same name. */
const allRules = Object.assign({}, obj1, obj2, obj3, etc);
(see MDN JavaScript Reference)
Method for ES5 and Earlier
for (var attrname in obj2) { obj1[attrname] = obj2[attrname]; }
Note that this will simply add all attributes of obj2 to obj1 which might not be what you...
Why is no one using make for Java?
...Overflow we don't consider such thoughts (closed! not-programming-related! etc.), OF COURSE THAT'S PART OF THE THING. On rails we use Rake, C dudes use make, and in Java we use Ant and Maven. While it's true that the Ant or Maven developers will look after the Java developer perhaps better than othe...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...rmation for my users on my website, aka rapidshare username and passwords, etc... I want to keep information secure, but I know that if I hash their information, I can't retrieve it for later use.
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std::string length() and size() member functions
...e() is there to be consistent with other STL containers (like vector, map, etc.) and length() is to be consistent with most peoples' intuitive notion of character strings. People usually talk about a word, sentence or paragraph's length, not its size, so length() is there to make things more readab...
How to set environment variables in Python?
...ts to create just a persistent variable that can be used by other scripts, etc., not a permanent variable in the registry! Now, I admit I was aggressive in my comment, but you made me lost a lot of time until I find out how to remove a permanent a variable from the environment that I created just fo...
How can I make a WPF combo box have the width of its widest element in XAML?
...t the default ComboBox ControlTemplates that I've come across (Aero, Luna, etc.) all nest the ItemsPresenter in a Popup. This means that the layout of these items is deferred until they are actually made visible.
An easy way to test this is to modify the default ControlTemplate to bind the MinWidt...