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Checking for a dirty index or untracked files with Git
How can I check if I have any uncommitted changes in my git repository:
14 Answers
14
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Error handling in C code
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I like the error as return-value way. If you're designing the api and you want to make use of your library as painless as possible think about these additions:
store all possible error-states in one typedef'ed enum and use it in your lib. Don't just return ints...
Detecting when a div's height changes using jQuery
...a plugin, actually it is a simple function written as a jQuery plugin.. so if you want.. strip off the plugin specfic code and use the core functions.
Note: This code doesn't use polling
check out this simple demo http://jsfiddle.net/aD49d/
$(function () {
var prevHeight = $('#test').height(...
Checking if a SQL Server login already exists
I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it.
10 Answers
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std::find，std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术
std::find，std::find_if使用小结STL的find，find_if函数提供了一种对数组、STL容器进行查找的方法。使用该函数，需 #include <algorithm>我们查找一个list中的数据，通常...STL的find，find_if函数提供了一种对数组、STL容器进行查找的方法。使...
How to do if-else in Thymeleaf?
What's the best way to do a simple if - else in Thymeleaf?
10 Answers
10
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Avoid browser popup blockers
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The general rule is that popup blockers will engage if window.open or similar is invoked from javascript that is not invoked by direct user action. That is, you can call window.open in response to a button click without getting hit by the popup blocker, but if you put the sam...
How can I escape white space in a bash loop list?
...though this requires that your find support -print0:
# this is safe
while IFS= read -r -d '' n; do
printf '%q\n' "$n"
done < <(find test -mindepth 1 -type d -print0)
You can also populate an array from find, and pass that array later:
# this is safe
declare -a myarray
while IFS= read -r ...
Why use def main()? [duplicate]
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Without the main sentinel, the code would be executed even if the script were imported as a module.
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c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术
.../ 结尾的i的位置
for (int i = len-1; i >-1; i--)
{
if ('i' == strCplx[i])
iPos = i;
else if ('+' == strCplx[i] || '-' == strCplx[i])
{
signPos = i;
break;
}
}
if (0 == iPos) // 纯虚数i
{
...