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Avoid synchronized(this) in Java?

...unts to is that this use of this is part of your class' exposed interface, and should be documented. Sometimes the ability of other code to use your lock is desired. This is true of things like Collections.synchronizedMap (see the javadoc). All synchronized methods within the same class use the...
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How to know user has clicked “X” or the “Close” button?

... get it through the sender object. Try to cast sender as a Button control, and verify perhaps for its name "CloseButton", for instance. private void Form1_FormClosing(object sender, FormClosingEventArgs e) { if (string.Equals((sender as Button).Name, @"CloseButton")) // Do something pro...
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'ssh-keygen' is not recognized as an internal or external command

...f Git For Windows, whose releases include PortableGit-2.4.3.1-2nd-release-candidate-64-bit.7z c:\path\to\PortableGit-2.4.3.1-2nd-release-candidate-64-bit\usr\bin\ssh-keygen.exe That means the %PATH% must include c:\path\to\PortableGit-2.4.3.1-2nd-release-candidate-64-bit\usr\bin (without the ssh-...
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How can I style even and odd elements?

Is it possible to use CSS pseudo-classes to select even and odd instances of list items? 9 Answers ...
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Jackson Vs. Gson [closed]

... I did this research the last week and I ended up with the same 2 libraries. As I'm using Spring 3 (that adopts Jackson in its default Json view 'JacksonJsonView') it was more natural for me to do the same. The 2 lib are pretty much the same... at the end they...
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How to make/get a multi size .ico file? [closed]

...ources to confirm to yourself that this is a sensible list of resolutions and colour depths. Make sure you use transparency round the outside of your image, and anti-aliased edges. You should see the grey checkerboard effect round the outside of your layers to indicate they are transparent The 16x1...
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Java ArrayList - how can I tell if two lists are equal, order not mattering?

... You could sort both lists using Collections.sort() and then use the equals method. A slighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals. For example if you had two lists o...
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When should I use a List vs a LinkedList

...his should not be an accepted answer. As I was learning I did some tests and felt like sharing them. Original answer... I found interesting results: // Temporary class to show the example class Temp { public decimal A, B, C, D; public Temp(decimal a, decimal b, decimal c, decimal d) ...
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How do I set up a basic Ruby project?

...o create a small Ruby project with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework. 4 Ans...
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How do you avoid over-populating the PATH Environment Variable in Windows?

...ur system. For example I have almost everything accessible through the command line, but now I come to the limit of the path string, so i can't add any more dir. ...