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2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...(Palantir)，消费级互联网，通讯(Snapchat)，支付(Square)，O2O App里面寻找下大机会。这里面很多公司我都亲自面试和感受过他们的环境。有如此之多的高估值公司，是否意味着存在很大的泡沫？
看了那么多高估值公司，很多...
What are named pipes?
...tain the credentials of the thing on the other end etc).
Unix named pipes appear as a special file in the filesystem and can be accessed with normal file IO commands including the shell. Windows ones don't, and need to be opened with a special system call (after which they behave mostly like a norm...
How to intercept click on link in UITextView?
... do it.
For ios6 and earlier a nice way to do this is to by subclassing UIApplication and overwriting the -(BOOL)openURL:(NSURL *)url
@interface MyApplication : UIApplication {
}
@end
@implementation MyApplication
-(BOOL)openURL:(NSURL *)url{
if ([self.delegate openURL:url])
ret...
How should I validate an e-mail address?
...
Don't use a reg-ex.
Apparently the following is a reg-ex that correctly validates most e-mails addresses that conform to RFC 2822, (and will still fail on things like "user@gmail.com.nospam", as will org.apache.commons.validator.routines.EmailVa...
How to export/import PuTTy sessions list?
...egistry Editor Version 5.00" | Out-File putty.reg
"" | Out-File putty.reg -Append
foreach ($reg in $registry) {
"[$reg]" | Out-File putty.reg -Append
foreach ($prop in $reg.property) {
$propval = $reg.GetValue($prop)
if ("".GetType().Equals($propval.GetType())) {
'"' + "$prop" + '...
How do I use .toLocaleTimeString() without displaying seconds?
...me. But never read back dates from UI elements. That should come from your app layer. And always test in Safari. They've been IE6-level jerks about the date object.
– Erik Reppen
Mar 30 '15 at 2:45
...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
...
One simple way is to append your list items in a StringBuilder
List<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
list.add(3);
StringBuilder b = new StringBuilder();
list.forEach(b::append);
Sys...
parseInt vs unary plus, when to use which?
... suprised that parseInt beats unary plus on iOS :) This is helpful for web apps with heavy CPU consumption only. As a rule-of-thumb I'd suggest JS opt-guys to consider any JS operator over another one from the mobile performance point of view nowadays.
So, go mobile-first ;)
...
How to navigate through textfields (Next / Done Buttons)
...lows the view hierarchy, up to the window and its controller, and then the app delegate. Google "responder chain" for plenty of info.
– davehayden
Jan 10 '12 at 22:35
...
Compelling examples of custom C++ allocators?
... custom STL allocator significantly improve performance of a multithreaded app simply by changing a single
std::vector<T>
to
std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private heaps; se...