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In C#, What is a monad?
... got as input", so that we don't need to explicitly specify socket lots of times:
new socket() >>= bind(...) >>= connect(...) >>= send(...);
The formal definition is a bit more complicated since you have to worry about how to get the result of one function as an input to the nex...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...e combined with the second technique if the CSS can't be prepared ahead of time:
var str = "bar";
document.styleSheets[0].addRule('p:before', 'content: attr(data-before);');
$('p').on('click', function () {
$(this).attr('data-before', str);
});
var str = "bar";
document.styleSheets[0...
How to upgrade all Python packages with pip?
Is it possible to upgrade all Python packages at one time with pip ?
55 Answers
55
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Static variables in member functions
...side the program.
Any instance of A object will affect the same i and lifetime of i will remain through out the program. To add an example:
A o1, o2, o3;
o1.foo(); // i = 1
o2.foo(); // i = 2
o3.foo(); // i = 3
o1.foo(); // i = 4
...
What are some popular naming conventions for Unit Tests? [closed]
... never heard the term PascalCase used, and I've been doing this for a long time. I only see the term PascalCase come up in Microsoft developer circles, is that what you do?
– Frank Szczerba
Jun 19 '09 at 19:02
...
Run single test from a JUnit class using command-line
...
We used IntelliJ, and spent quite a bit of time trying to figure it out too.
Basically, it involves 2 steps:
Step 1: Compile the Test Class
% javac -cp .:"/Applications/IntelliJ IDEA 13 CE.app/Contents/lib/*" SetTest.java
Step 2: Run the Test
% java -cp .:"/App...
How to find if a native DLL file is compiled as x64 or x86?
... 8664 machine (x64)
6 number of sections
4BBAB813 time date stamp Tue Apr 06 12:26:59 2010
0 file pointer to symbol table
0 number of symbols
F0 size of optional header
2022 characteristics
Executable...
What is a semaphore?
...mer.
...
Here an important point is made that mutexes interfere with real time operating systems in a bad way, causing priority inversion where a less important task may be executed before a more important task because of resource sharing. In short, this happens when a lower priority task uses a m...
Design patterns or best practices for shell scripts [closed]
...n. Be careful though, because if you do this, the program will abort every time you evaluate an undefined variable. For this reason, the only way to check if a variable is not defined is the following:
if test "x${foo:-notset}" == "xnotset"
then
echo "foo not set"
fi
You can declare variables...
SQL to determine minimum sequential days of access?
...is value is then re-added to the zero date yielding the same date with the time truncated.
– IDisposable
Jul 24 '09 at 8:21
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