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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,...
Try-catch speeding up my code?
...6 at 23:15
Lightness Races in Orbit
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answered Jan 20 '12 at 20:14
...
Where does Chrome store extensions?
... link "Finding All Installed Browsers in Windows XP and Vista – beware 64bit!" may be useful for Windows as suggested by "How to find all the browsers installed on a machine".
The installed web browsers are saved in this registry,
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet
HKE...
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...
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
...
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...
升级Win10后C盘告急：一招释放硬盘空间 - 更多技术 - 清泛网 - 专注C/C++及内核技术
升级Win10后C盘告急：一招释放硬盘空间如同历代Windows一样，通过在线方式升级Windows 10之后会在C盘留下旧版本的备份文件，这些垃圾会占用大量的硬盘空间，令C盘告急。不过没关...如同历代Windows一样，通过在线方式升级Windows 10...
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...
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...
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.
...