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Removing index column in pandas when reading a csv
...ted May 29 '19 at 7:58
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Nov 20 '13 at 21:53
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What are the security risks of setting Access-Control-Allow-Origin?
...@Gumbo What about static content? (e.g. static cdn content, such as javascripts, css, static htmls etc.) Are there any security issues of setting Access-Control-Allow-Origin: * on them? There will be no nogin etc, they are public to everyone?
– Umut Benzer
Jun ...
Number of days in particular month of particular year?
...ted Oct 6 '17 at 11:54
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Oct 6 '17 at 11:45
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Git serve: I would like it that simple
... it down and start it back up too fast.
You can put this into a batch script with an easy to remember name like "gitserve", so you don't need to type it all out again. As suggested in some of the comments, in recent versions of Git you can add an alias to the Git config:
[alias]
serve = !git...
What is the usefulness of `enable_shared_from_this`?
...p == q);
assert(!(p < q || q < p)); // p and q must share ownership
}
The method f() returns a valid shared_ptr, even though it had no member instance. Note that you cannot simply do this:
class Y: public enable_shared_from_this<Y>
{
public:
shared_ptr<Y> f()
{
...
How to wait in a batch script? [duplicate]
I am trying to write a batch script and trying to wait 10 seconds between 2 function calls. The command:
6 Answers
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Is it possible to GROUP BY multiple columns using MySQL?
...red Dec 3 '09 at 17:14
Joe PhillipsJoe Phillips
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Do I need to heartbeat to keep a TCP connection open?
I have two components that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my comp...
浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可以控制接收窗口的大小：
shell> sysctl -a | grep mem
net.ipv4.tcp_rmem = <MIN> <DEFAULT> <MAX>
如果我们出于传输性能的考虑，设置了一个足够大的缓冲，那么当大量请求同时到达时，内存会不会爆掉？通常不会，因为Linux本身有一个缓冲...
Apple Pay入华遇阻 只因BAT太受欢迎？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...率。除此之外，摇一摇、附近的人等也逐渐为商户开放了权限，不失为一种导流的新方式。
百度钱包：常年返现帮商户O2O升级
可以看出，支付宝和微信支付仅仅满足了商户们的用户客流量需求和对大平台的奢望，在降低营销...