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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...处理正常的大负载的连接的情况。因为，synccookies是妥协版的TCP协议，并不严谨。对于正常的请求，你应该调整三个TCP参数可供你选择，第一个是：tcp_synack_retries 可以用他来减少重试次数；第二个是：tcp_max_syn_backlog，可以增大SY...
Transparent ARGB hex value
...lly transparent. Values in between are semi-transparent, i.e. the color is mixed with the background color.
To get a fully transparent color set the alpha to zero. RR, GG and BB are irrelevant in this case because no color will be visible. This means #00FFFFFF ("transparent White") is the same colo...
SQL left join vs multiple tables on FROM line?
...ct. WHERE clause should only contain RESTRICTIONS to the resultset. If you mix table join criteria with resultset restrictions, you (and others) will find your query harder to read. You should definitely use JOINs and keep the FROM clause a FROM clause, and the WHERE clause a WHERE clause.
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How do I override __getattr__ in Python without breaking the default behavior?
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@fed.pavlo are you sure? Maybe you mixed __getattr__ and __getattribute__?
– José Luis
Sep 16 '16 at 7:41
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How to get active user's UserDetails
...Resolver
(But the old classes in its old packges still exists, so do not mix them!)
It is just writing
import org.springframework.security.core.annotation.AuthenticationPrincipal;
ModelAndView someRequestHandler(@AuthenticationPrincipal User activeUser) {
...
}
To get this working you need...
Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg
...iews to use (they now subclass OPTableViewController).
Firstly, this function returns a new detail disclosure button using our custom graphic:
- (UIButton *) makeDetailDisclosureButton
{
UIButton * button = [UIButton outpostDetailDisclosureButton];
[button addTarget: self
actio...
how to get the cookies from a php curl into a variable
...content of the HTTP response (HTML, XML, JSON, binary or whatever) becomes mixed with the headers.
I've found a different alternative. CURL provides an option (CURLOPT_HEADERFUNCTION) to set a callback that will be called for each response header line. The function will receive the curl object and ...
Ng-model does not update controller value
Probably silly question, but I have my html form with simple input and button:
13 Answers
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Can I hide the HTML5 number input’s spin box?
...on for webkit browsers (have tested it in Chrome 7.0.517.44 and Safari Version 5.0.2 (6533.18.5)):
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
/* display: none; <- Crashes Chrome on hover */
-webkit-appearance: none;
margin: 0; /* <-- Apparently so...
What JSON library to use in Scala? [closed]
...
Unfortunately writing a JSON library is the Scala community's version of coding a todo list app.
There are quite a variety of alternatives. I list them in no particular order, with notes:
parsing.json.JSON - Warning this library is available only up to Scala version 2.9.x (removed in new...