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How accurate is python's time.sleep()?
...seems to hold pretty well until you get below about 0.2 ms, after which it starts get a little fuzzy. Additionally, the actual time seems to settle to about 5 ms longer than you request after the amount of time requested gets above 20 ms.
Again, it appears to be a completely different implementatio...
Web workers without a separate Javascript file?
... console.log("Received: " + e.data);
}
worker.postMessage("hello"); // Start the worker.
</script>
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What exactly does git's “rebase --preserve-merges” do (and why?)
...serve-merges does, and then there will be some examples. One can of course start with the examples, if that seems more useful.
The Algorithm in "Brief"
If you want to really get into the weeds, download the git source and explore the file git-rebase--interactive.sh. (Rebase is not part of Git's C ...
Can you do a partial checkout with Subversion?
...ng path segments
path_segments = sparse_path.split(os.sep)
start_segment_index = 0
for i, segment in enumerate(checkout_path_segments):
if segment == path_segments[i]:
start_segment_index += 1
else:
break
pruned...
What parameters should I use in a Google Maps URL to go to a lat-lon?
...rmal map,
k – satellite,
h – hybrid,
p – terrain
saddr=
Sets the starting point for directions searches. You can also add text into this in brackets to bold it in the directions sidebar.
daddr=
Sets the end point for directions searches, and again will bold any text added in brackets.You...
How do I write a correct micro-benchmark in Java?
...aries that help us to write micro benchmarks
Caliper from Google
Getting started tutorials
http://codingjunkie.net/micro-benchmarking-with-caliper/
http://vertexlabs.co.uk/blog/caliper
JMH from OpenJDK
Getting started tutorials
Avoiding Benchmarking Pitfalls on the JVM
http://nitschinger.at...
What is the difference between a reference type and value type in c#?
...a grain of salt.
Imagine computer memory is a bunch of PO boxes in a row (starting w/ PO Box 0001 to PO Box n) that can hold something inside it. If PO boxes doesn't do it for you, try a hashtable or dictionary or an array or something similar.
Thus, when you do something like:
var a = "Hello";...
What is the email subject length limit?
...
See RFC 2822, section 2.1.1 to start.
There are two limits that this
standard places on the number of
characters in a line. Each line of
characters MUST be no more than 998
characters, and SHOULD be no more than
78 characters, excluding the C...
Cmake vs make sample codes?
...le (by using COMPILE_FLAGS
and similar properties). Of course CMake really starts to shine when third party
libraries (like OpenGL) are included in a portable manner.
The build process has one step if you use a Makefile, namely typing make at the command line. For CMake, there are two steps: First...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
... example:
September 31, 2015 does not exist.
EXEC dbo.SearchByDateRange @Start = '20150901' , @End = '20150931'
So this fails with the message:
Error converting data type varchar to datetime.
To fix it, input a valid date:
EXEC dbo.SearchByDateRange @Start = '20150901' , @End = '20150930'
...