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What are Makefile.am and Makefile.in?
...ted from: http://www.gnu.org/software/automake/manual/html_node/Creating-amhello.html and tested on Ubuntu 14.04 Automake 1.14.1.
Makefile.am
SUBDIRS = src
dist_doc_DATA = README.md
README.md
Some doc.
configure.ac
AC_INIT([automake_hello_world], [1.0], [bug-automake@gnu.org])
AM_INIT_AUTOM...
iphone/ipad: How exactly use NSAttributedString?
...dString* attrStr = [NSMutableAttributedString attributedStringWithString:@"Hello World!"];
// for those calls we don't specify a range so it affects the whole string
[attrStr setFont:[UIFont systemFontOfSize:12]];
[attrStr setTextColor:[UIColor grayColor]];
// now we only change the color of "Hello"...
using awk with column value conditions
...ng == is ok or not.
Have you tried ~?. For example, if you want $1 to be "hello":
awk '$1 ~ /^hello$/{ print $3; }' <infile>
^ means $1 start, and $ is $1 end.
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...
LaTeX Optional Arguments
...d\sec{ m g }{%
{#1%
\IfNoValueF {#2} { and #2}%
}%
}
(\sec{Hello})
(\sec{Hello}{Hi})
\end{document}
The argument { m g } defines the arguments of \sec; m means "mandatory argument" and g is "optional braced argument". \IfNoValue(T)(F) can then be used to check whether the second ar...
How to trim leading and trailing white spaces of a string?
...ckage main
import (
"fmt"
"strings"
)
func main() {
s := "\t Hello, World\n "
fmt.Printf("%d %q\n", len(s), s)
t := strings.TrimSpace(s)
fmt.Printf("%d %q\n", len(t), t)
}
Output:
16 "\t Hello, World\n "
12 "Hello, World"
...
How do you use the ? : (conditional) operator in JavaScript?
...it even shorter, without a ternary.
Instead of:
var welcomeMessage = 'Hello ' + (username ? username : 'guest');
You can use:
var welcomeMessage = 'Hello ' + (username || 'guest');
This is Javascripts equivallent of PHP's shorthand ternary operator ?:
Or even:
var welcomeMessage = 'Hel...
jQuery: more than one handler for same event
...sequence, e.g.:
$('#target')
.bind('click',function(event) {
alert('Hello!');
})
.bind('click',function(event) {
alert('Hello again!');
})
.bind('click',function(event) {
alert('Hello yet again!');
});
I guess the below code is doing the same
$('#target')
.click(fun...
Convenient C++ struct initialisation
...g and MSVC.
#include <iostream>
#include <filesystem>
struct hello_world {
const char* hello;
const char* world;
};
int main ()
{
hello_world hw = {
.hello = "hello, ",
.world = "world!"
};
std::cout << hw.hello << hw.world << st...
Execute the setInterval function without delay the first time
...rectly, but you could easily do something like this:
setInterval(function hello() {
console.log('world');
return hello;
}(), 5000);
There's obviously any number of ways of doing this, but that's the most concise way I can think of.
...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...类的语言，总是有基本的源程序结构规范。下面以经典的Hello World程序为例，展示一个C语言、DOS汇编...使用MASM
Win32汇编源程序的结构
任何种类的语言，总是有基本的源程序结构规范。
下面以经典的Hello World程序为例，展示...