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Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
...ut each others? There would be a lot of dependencies. Would you be able to include just the vector header, without also getting iterator or even iostream pulled in? The STL makes this easy. A vector knows about the iterator type it defines, and that's all. The STL algorithms know nothing. They don't...
How can I beautify JSON programmatically? [duplicate]
...ing solution:
The JSON.stringify method supported by many modern browsers (including IE8) can output a beautified JSON string:
JSON.stringify(jsObj, null, "\t"); // stringify with tabs inserted at each level
JSON.stringify(jsObj, null, 4); // stringify with 4 spaces at each level
Demo: http://js...
port forwarding in windows
...
nginx is useful for forwarding HTTP on many platforms including Windows. It's easy to setup and extend with more advanced configuration. A basic configuration could look something like this:
events {}
http {
server {
listen 192.168.1.111:4422;
location /...
How do I find all files containing specific text on Linux?
...just give the file name of matching files.
Along with these, --exclude, --include, --exclude-dir flags could be used for efficient searching:
This will only search through those files which have .c or .h extensions:
grep --include=\*.{c,h} -rnw '/path/to/somewhere/' -e "pattern"
This will exclud...
What's the meaning of exception code “EXC_I386_GPFLT”?
...cOSX10.9.sdk
$ find usr -name \*.h -exec fgrep -l EXC_I386_GPFLT {} \;
usr/include/mach/i386/exception.h
^C
$ more usr/include/mach/i386/exception.h
....
#define EXC_I386_GPFLT 13 /* general protection fault */
OK, so it's a general protection fault (as its name suggests anyway)....
Using scanf() in C++ programs is faster than using cin?
...mbers from standard input and XOR all of the numbers.
iostream version:
#include <iostream>
int main(int argc, char **argv) {
int parity = 0;
int x;
while (std::cin >> x)
parity ^= x;
std::cout << parity << std::endl;
return 0;
}
scanf version:
#include...
PHP page redirect [duplicate]
... lines in a file, or from PHP. It is a very common error to read code with include(), or require(), functions, or another file access function, and have spaces or empty lines that are output before header() is called. The same problem exists when using a single PHP/HTML file.
This means you should...
What does the question mark in Java generics' type parameter mean?
...a signifier for 'any type'. ? alone means
Any type extending Object (including Object)
while your example above means
Any type extending or implementing
HasWord (including HasWord if
HasWord is a non-abstract class)
...
Conditionally use 32/64 bit reference when building in Visual Studio
...you make changes such as the following:
<ItemGroup>
<Reference Include="Leadtools, Version=16.5.0.0, Culture=neutral, PublicKeyToken=9cf889f53ea9b907, processorArchitecture=x86">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\..\Lib\Leadtools\$(Current...