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How to get device make and model on iOS?
...Name)
The result should be:
// Output on a simulator
@"i386" on 32-bit Simulator
@"x86_64" on 64-bit Simulator
// Output on an iPhone
@"iPhone1,1" on iPhone
@"iPhone1,2" on iPhone 3G
@"iPhone2,1" on iPhone 3GS
@"iPhone3,1" on iPhone 4 (GSM)
@"iPhone3,2" on iPhone 4 (GSM Rev A)
@"iPhone3,...
Generate JSON string from NSDictionary in iOS
...
Hard coded constants are a bit scary. Why not use NSUTF8StringEncoding etc.?
– Ian Newson
Nov 29 '13 at 14:11
5
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Python's time.clock() vs. time.time() accuracy?
...he function to use for
benchmarking Python or timing algorithms.
On Windows, this function returns wall-clock seconds elapsed since the
first call to this function, as a floating point number, based on the
Win32 function QueryPerformanceCounter(). The resolution is typically
better than...
Try-catch speeding up my code?
...6 at 23:15
Lightness Races in Orbit
350k6666 gold badges574574 silver badges955955 bronze badges
answered Jan 20 '12 at 20:14
...
Go > operators
...e shift count is a number.
Shift instructions in x86 CPUs consider only 5 bits (6 bits on 64-bit x86 CPUs) of the shift count. In languages like C/C++, the shift operator translates into a single CPU instruction.
The following Go code
x := 10
y := uint(1025) // A big shift count
println(x >&g...
How to use the PI constant in C++
...he C/C++ standards.
*/
However:
on newer platforms (at least on my 64 bit Ubuntu 14.04) I do not need to define the _USE_MATH_DEFINES
On (recent) Linux platforms there are long double values too provided as a GNU Extension:
# define M_PIl 3.141592653589793238462643383279502884L /* pi...
Does ruby have real multithreading?
...th:
jruby 1.5.6 (ruby 1.8.7 patchlevel 249) (2014-02-03 6586)
(OpenJDK 64-Bit Server VM 1.7.0_75) [amd64-java]
The second is with:
ruby 2.1.2p95 (2014-05-08) [x86_64-linux-gnu]
Interestingly, the CPU is higher for JRuby threads, but the time to completion is slightly shorter for the interpreted...
Creating a comma separated list from IList or IEnumerable
...ng.Join(",", new List<string>(strings).ToArray());
The latter is a bit of a mouthful though :)
This is likely to be the simplest way to do it, and quite performant as well - there are other questions about exactly what the performance is like, including (but not limited to) this one.
As of...
Run cURL commands from Windows console
...
First you need to download the cURL executable. For Windows 64bit, download it from here and for Windows 32bit download from here
After that, save the curl.exe file on your C: drive.
To use it, just open the command prompt and type in:
C:\curl http://someurl.com
...
insert multiple rows via a php array into mysql
...ion; instead, PHP does this once in the implode() statement. This is a big win.
If you have lots of columns to put together, and one or more are very long, you could also build an inner loop to do the same thing and use implode() to assign the values clause to the outer array.
...