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Do try/catch blocks hurt performance when exceptions are not thrown?
... {0} - No Try/Catch"
IL_0006: ldc.r8 1.
IL_000f: call float64 [mscorlib]System.Math::Sin(float64)
IL_0014: box [mscorlib]System.Double
IL_0019: call void [mscorlib]System.Console::WriteLine(string,
obj...
How to get root access on Android emulator?
...oel G Mathew
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answered Jun 10 '17 at 12:40
xavier_fakeratxavier_fakerat
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How to format a number as percentage in R?
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# [1] "0.00%" "0.01%" "0.04%" "0.09%" "0.16%" "0.25%" "0.36%" "0.49%" "0.64%"
# [10] "0.81%" "1.00%"
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A fast method to round a double to a 32-bit int explained
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For those who'd like to convert to int64_t you can do that by shifting the mantissa left and then right by 13 bits. This will clear the exponent and the two bits from the 'magic' number, but will keep and propagate the sign to the entire 64-bit signed integer. un...
C/C++ maximum stack size of program
...hange at run time also.
For reference, some defaults are:
glibc i386, x86_64: 7.4 MB
Tru64 5.1: 5.2 MB
Cygwin: 1.8 MB
Solaris 7..10: 1 MB
MacOS X 10.5: 460 KB
AIX 5: 98 KB
OpenBSD 4.0: 64 KB
HP-UX 11: 16 KB
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Android emulator shows nothing except black screen and adb devices shows “device offline”
... wizurdwizurd
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How do I make a request using HTTP basic authentication with PHP curl?
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CURLOPT_USERPWD basically sends the base64 of the user:password string with http header like below:
Authorization: Basic dXNlcjpwYXNzd29yZA==
So apart from the CURLOPT_USERPWD you can also use the HTTP-Request header option as well like below with other headers:...
How are Python's Built In Dictionaries Implemented?
...it is two-thirds full. This avoids slowing down lookups. (see dictobject.h:64-65)
NOTE: I did the research on Python Dict implementation in response to my own question about how multiple entries in a dict can have same hash values. I posted a slightly edited version of the response here because al...
Location of my.cnf file on macOS
... At least the current MySQL package for Mac OS X (mysql-5.6.17-osx10.7-x86_64 at the time of this writing) does in fact create and use a my.cnf. It is located at /usr/local/mysql-5.6.17-osx10.7-x86_64/my.cnf
– Jpsy
May 19 '14 at 11:07
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ctypes - Beginner
...t_array = lib.print_array
py_print_array.argtypes = [ctl.ndpointer(np.float64,
flags='aligned, c_contiguous'),
ctypes.c_int]
A = np.array([1.4,2.6,3.0], dtype=np.float64)
py_print_array(A, 3)
where we specify the array, the first...