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What are metaclasses in Python?
...
Lets define a metaclass that will demonstrate how 'class:' calls it.
def test_metaclass(name, bases, dict):
print 'The Class Name is', name
print 'The Class Bases are', bases
print 'The dict has', len(dict), 'elems, the keys are', dict.keys()
return "yellow"
class TestName(object...
Saving and loading objects and using pickle
...it's because you didn't close the file between the write and the read).
I tested your code, and it works.
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What is the bit size of long on 64-bit Windows?
...ly because he doesn't have convenient access to a 64-bit Windows system to test on.
– Quuxplusone
Dec 2 '13 at 23:09
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What is the difference between instanceof and Class.isAssignableFrom(…)?
....Throughput)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public boolean testInstanceOf()
{
return b instanceof A;
}
@Benchmark
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.MICROSECONDS)
public boolean testIsInstance()
{
return A.class.isIns...
How to count total lines changed by a specific author in a Git repository?
...is a new package on github that looks slick and uses bash as dependencies (tested on linux). It's more suitable for direct usage rather than scripts.
It's git-quick-stats (github link).
Copy git-quick-stats to a folder and add the folder to path.
mkdir ~/source
cd ~/source
git clone git@github.co...
How to read/write from/to file using Go?
... if err != nil {
return
}
defer file.Close()
file.WriteString("test\nhello")
}
This will overwrite the content of a file (create a new file if it was not there).
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Objective-C: Where to remove observer for NSNotification?
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Note : This has been tested and working 100% percent
Swift
override func viewWillDisappear(animated: Bool){
super.viewWillDisappear(animated)
if self.navigationController!.viewControllers.contains(self) == false //any other hierarchy ...
What is a good Hash Function?
...umb is not to roll your own. Try to use something that has been thoroughly tested, e.g., SHA-1 or something along those lines.
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Why use String.Format? [duplicate]
...er is not faster than concatenation. The myth that it is is supported by "tests" that actually do concatenation on different lines (or in a loop). When all concatenation is done on a single line, the compiler translates it into a string.append(paramaarray) call, which is the most efficient out of ...
Fastest way to count exact number of rows in a very large table?
...T(*) FROM MyBigtable WITH (NOLOCK)
-- NOLOCK here is for me only to let me test for this answer: no more, no less
1 runs, 5:46 minutes, count = 1,401,659,700
--Note, sp_spaceused uses this DMV
SELECT
Total_Rows= SUM(st.row_count)
FROM
sys.dm_db_partition_stats st
WHERE
object_name(objec...