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What is the difference between static func and class func in Swift?
...tatic func eat() -> String {
return "Miam miam"
}
func sleep() -> String {
return "Zzz"
}
}
class Bulldog: Dog {
// Can not override a final function
// override final func identity() -> String {
// return "I'm once a dog but now I'm a cat"
// ...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...x总是采用utf-8编码。这就是我们的结论4。
六、Javascript函数：escape()。
好了，到此为止，四种情况都说完了。
假定前面你都看懂了，那么此时你应该会感到很头痛。因为，实在太混乱了。不同的操作系统、不同的浏览器、...
Wait one second in running program
...System.Drawing.Color.Red;
dataGridView1.Refresh();
System.Threading.Thread.Sleep(1000);
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How to listen for changes to a MongoDB collection?
...> true)
loop do
if doc = cursor.next_document
puts doc
else
sleep 1
end
end
PHP
$mongo = new Mongo();
$db = $mongo->selectDB('my_db')
$coll = $db->selectCollection('my_collection');
$cursor = $coll->find()->tailable(true);
while (true) {
if ($cursor->hasNext())...
OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术
...视，由它来通知各个视是最合适的。让我们同时看两个 函数：
void CView::OnUpdate( CView* pSender, LPARAM lHint, CObject* pHint )
void CDocument::UpdateAllViews( CView* pSender, LPARAM lHint = 0L, CObject* pHint = NULL )
当文档的UpdateAllViews被调用时和此...
Run certain code every n seconds [duplicate]
...o through whatever code I had, then once it had been 5 seconds (with time.sleep() ) it would execute that code. I would be using this to update a file though, not print Hello World.
...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数主要是用来初始化COM运行环境。但这个函数的作用域是以线程为单位还是 大家都知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数主要是用来初始化COM运...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...y.com/blog/archives/010717.html :
#!/bin/bash
FAIL=0
echo "starting"
./sleeper 2 0 &
./sleeper 2 1 &
./sleeper 3 0 &
./sleeper 2 0 &
for job in `jobs -p`
do
echo $job
wait $job || let "FAIL+=1"
done
echo $FAIL
if [ "$FAIL" == "0" ];
then
echo "YAY!"
else
echo "FAIL! ($FAIL...
OS X Bash, 'watch' command
...basic functionality with the shell loop:
while :; do clear; your_command; sleep 2; done
That will loop forever, clear the screen, run your command, and wait two seconds - the basic watch your_command implementation.
You can take this a step further and create a watch.sh script that can accept yo...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，用value_type（姓名）索引也是可以的嘛，大不了写一个函数去遍历这个map，然后把要查找的姓名跟每个pair的second比较一下，如果相等不就找到了么？OK，没错，这样可以解决问题，但仅仅只是很粗糙地解决问题，如果这个map很...