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How to access accelerometer/gyroscope data from Javascript?
... true);
}
The constant factors 2 and 50 are used to "align" the readings from the two latter events with those from the first, but these are by no means precise representations. For this simple "toy" project it works just fine, but if you need to use the data for something slightly more serious, ...
Is it worth using Python's re.compile?
...time it takes to check the cache (a key lookup on an internal dict type).
From module re.py (comments are mine):
def match(pattern, string, flags=0):
return _compile(pattern, flags).match(string)
def _compile(*key):
# Does cache check at top of function
cachekey = (type(key[0]),) + k...
How to debug Lock wait timeout exceeded on MySQL?
...query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql&g...
Ukkonen's suffix tree algorithm in plain English
...single
characters. Instead, each edge is labeled using a pair of integers
[from,to]. These are pointers into the text. In this sense, each
edge carries a string label of arbitrary length, but takes only O(1)
space (two pointers).
Basic principle
I would like to first demonstrate how to create the...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
...
adb install -r does not always work (I've got an EVO 4G from Sprint that refuses to behave as expected). The only work around I've found is to remove the application manually. Sometimes, I even have to do it through the phone's UI because the EVO is so temperamental.
...
How do I compile a Visual Studio project from the command-line?
...path. Either start the Visual Studio build environment and run your script from there, or modify the paths in Python (with os.putenv).
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seek() function?
...e.
It's important to note that its syntax is as follows:
fp.seek(offset, from_what)
where fp is the file pointer you're working with; offset means how many positions you will move; from_what defines your point of reference:
0: means your reference point is the beginning of the file
1: means yo...
Why (0-6) is -6 = False? [duplicate]
...
All integers from -5 to 256 inclusive are cached as global objects sharing the same address with CPython, thus the is test passes.
This artifact is explained in detail in http://www.laurentluce.com/posts/python-integer-objects-implementa...
How can I determine if a .NET assembly was built for x86 or x64?
...me.GetAssemblyName(string assemblyFile)
You can examine assembly metadata from the returned AssemblyName instance:
Using PowerShell:
[36] C:\> [reflection.assemblyname]::GetAssemblyName("${pwd}\Microsoft.GLEE.dll") | fl
Name : Microsoft.GLEE
Version : 1.0.0.0
C...
Unix shell script find out which directory the script file resides?
...sing $BASH_SOURCE, and it returns what I needed. My script is being called from another script, and $0 returns . while $BASH_SOURCE returns the right subdirectory (in my case scripts).
– David Rissato Cruz
Dec 3 '15 at 16:28
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