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What is mutex and semaphore in Java ? What is the main difference?
...e 10 clients simultaneously. Then each new client sets the semaphore until it reaches 10. When the Semaphore has 10 flags, then your thread won't accept new connections
Mutex are usually used for guarding stuff. Suppose your 10 clients can access multiple parts of the system. Then you can protect a...
Disabled form inputs do not appear in the request
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Elements with the disabled attribute are not submitted or you can say their values are not posted (see the second bullet point under Step 3 in the HTML 5 spec for building the form data set).
I.e.,
<input type="textbox" name="Per...
How to specify test directory for mocha?
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Edit : This option is deprecated : https://mochajs.org/#mochaopts
If you want to do it by still just running mocha on the command line, but wanted to run the tests in a folder ./server-tests instead of ./test, create a file ...
How to write a UTF-8 file with Java?
I have some current code and the problem is its creating a 1252 codepage file, i want to force it to create a UTF-8 file
9 ...
How to properly match varargs in Mockito
I've been trying to get to mock a method with vararg parameters using Mockito:
9 Answers
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What is the difference between encode/decode?
...have some non-text data in a unicode string for some reason -- see below). It is mainly there for historical reasons, i think. In Python 3 it is completely gone.
unicode().decode() will perform an implicit encoding of s using the default (ascii) codec. Verify this like so:
>>> s = u'ö'
&...
IOS7 : UIScrollView offset in UINavigationController
...yAdjustsScrollViewInsets = false
I don't really understand the true benefit of this property though, (or why the default value is true)
The only documentation i found was there:
https://web.archive.org/web/20160405135605/https://developer.apple.com/library/ios/documentation/userexperience/conce...
Java Set retain order?
... A method is returning a Set to me and supposedly the data is ordered but iterating over the Set, the data is unordered. Is there a better way to manage this? Does the method need to be changed to return something other than a Set?
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MySQL - Rows to Columns
...ed explanation of the steps to take to solve this problem. I apologize if it's too long.
I'll start out with the base you've given and use it to define a couple of terms that I'll use for the rest of this post. This will be the base table:
select * from history;
+--------+----------+---------...
How do I get an object's unqualified (short) class name?
How do I check the class of an object within the PHP name spaced environment without specifying the full namespaced class.
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