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Using scanf() in C++ programs is faster than using cin?
...ough streams provide a lot of type safety, and do not have to parse format strings at runtime, it usually has an advantage of not requiring excessive memory allocations (this depends on your compiler and runtime). That said, unless performance is your only end goal and you are in the critical path t...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...环境配置
1、安装一下过程中所依赖的一些rpm包
yum install -y tcl-devel libart_lgpl-devel libtool-ltdl-devel
2、关闭sendmail，并取消其开机启动
service sendmail stop
chkconfig sendmail off
3、配置编译环境，安装开发包组
yum groupinstall -y "Develop...
Check if a dialog is displayed with Espresso
...
I currently use this and it seems to work fine.
onView(withText(R.string.my_title))
.inRoot(isDialog()) // <---
.check(matches(isDisplayed()));
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...
Most used parts of Boost [closed]
...st
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have struggled.
...
How do I test if a variable is a number in Bash?
...
Without bashisms (works even in the System V sh),
case $string in
''|*[!0-9]*) echo bad ;;
*) echo good ;;
esac
This rejects empty strings and strings containing non-digits, accepting everything else.
Negative or floating-point numbers need some additional work. An idea...
How to find encoding of a file via script on Linux?
I need to find the encoding of all files that are placed in a directory. Is there a way to find the encoding used?
17 Answe...
How to avoid scientific notation for large numbers in JavaScript?
...nction toFixed(x) {
if (Math.abs(x) < 1.0) {
var e = parseInt(x.toString().split('e-')[1]);
if (e) {
x *= Math.pow(10,e-1);
x = '0.' + (new Array(e)).join('0') + x.toString().substring(2);
}
} else {
var e = parseInt(x.toString().split('+')[1]);
if (e > ...
What's the best method in ASP.NET to obtain the current domain?
...Aagaard, but you could always make one locally. I do that for most "magic" strings and numbers. For that matter, you would then use string.Empty instead of "" in Carlos' answer ;)
– vbullinger
Aug 10 '12 at 21:34
...
Remove carriage return in Unix
...rather than just blindly within a file (you may have them in the middle of strings for all I know). Using this test file with a CR at the end of the first line only:
$ cat infile
hello
goodbye
$ cat infile | od -c
0000000 h e l l o \r \n g o o d b y e \n
0000017
dos2un...
WPF: Setting the Width (and Height) as a Percentage Value
...
I already tried that, but I'm getting this error: '2*' string cannot be converted to Length.'
– Andreas Grech
Apr 4 '09 at 16:06
6
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