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How do I delete all messages from a single queue using the CLI?
...ate but for others reference, this can be done with pika
import pika
host_ip = #host ip
channel = pika.BlockingConnection(pika.ConnectionParameters(host_ip,
5672,
"/",
credentials=pika.Pl...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...述目标，谈何容易，所以本人整理了这篇超浓缩（用WINZIP、WINRAR…依次压迫，嘿嘿！）教程。大言不惭的说，看通本文，你完全可以“不经意”间在前辈或是后生卖弄一下DEBUG，很有成就感的，试试看！那么――这个接下来呢？...
HTTP Basic Authentication credentials passed in URL and encryption
...
Yes, yes yes.
The entire communication (save for the DNS lookup if the IP for the hostname isn't already cached) is encrypted when SSL is in use.
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How do you discover model attributes in Rails?
... current_sign_in_at: datetime, last_sign_in_at: datetime,
current_sign_in_ip: string, last_sign_in_ip: string, created_at: datetime,
updated_at: datetime)"
Alternatively, having run rake db:create and rake db:migrate for your development environment, the file db/schema.rb will contain the author...
Java, How do I get current index/key in “for each” loop [duplicate]
... which won't be able to give you an index.
– Bjørn Vårdal
Aug 2 '17 at 0:25
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What does “async: false” do in jQuery.ajax()?
...lur event with a following sync call blocking it.
– PålOliver
Feb 19 '13 at 10:34
3
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Catch multiple exceptions at once?
...e as many lines and far less readable.
– João Bragança
Sep 4 '12 at 21:57
24
@JoãoBragança: W...
What is the strict aliasing rule?
...an example that should not be surprising (live example):
int x = 10;
int *ip = &x;
std::cout << *ip << "\n";
*ip = 12;
std::cout << x << "\n";
We have a int* pointing to memory occupied by an int and this is a valid aliasing. The optimizer must assume that assignments...
Difference between Python datetime vs time modules
...stamping.
If the system additionally runs the network time protocol (NTP) dæmon, one ends up with a pretty solid time base.
Here is the documentation of the time module.
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top命令使用详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...使top没有任何延迟的进行刷新。如果调用程序有超级用户权限，那么top将以尽可能高的优先级运行。
S 指定累计模式。
C 显示总CPU状态，而不是单个的CPU。此选项仅对SMP系统有效。
s 使top命令在安全模式中运行。这将去除交互...