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How to study design patterns? [closed]
...book is dull. Without prior knowledge about design patterns it gets you to sleep in no time. It is however a good (the) reference book and should be part of any professionals library along with DDD and P of EAA.
– mbx
Jul 21 '17 at 9:38
...
Why does i = i + i give me 0?
... i = i + i;
System.out.println(i);
Thread.sleep(100);
}
}
out put:
2
4
8
16
32
64
...
1073741824
-2147483648
0
0
when sum > Integer.MAX_INT then assign i = 0;
share
...
What's the “average” requests per second for a production web application?
...rns with 'peak hours' maybe 2x or 3x the rate that you get while users are sleeping. (Can be useful when you're scheduling the daily batch-processing stuff to happen on servers)
You can see the effect even on 'international' (multilingual, localised) sites like wikipedia
...
python multithreading wait till all threads finished
...ipt(ordinal, arg):
print('Thread', ordinal, 'argument:', arg)
time.sleep(2)
print('Thread', ordinal, 'Finished')
args = ['argumentsA', 'argumentsB', 'argumentsC']
with ThreadPoolExecutor(max_workers=2) as executor:
ordinal = 1
for arg in args:
executor.submit(call_scrip...
How do I measure separate CPU core usage for a process?
... ps -p $pid -L -o pid,tid,psr,pcpu,comm=
done
sleep 1
done
Note: These stats are based on process lifetime, not the last X seconds, so you'll need to restart your process to reset the counter.
...
Simulate low network connectivity for Android [closed]
...P, use ResponseCache.setDefault(new CacheResponse(){...}) and put a Thread.sleep(200) call in there. This has the advantage of being programatically controlled (i.e. only just in one activity) and not affecting other processes. However, for a more realistic test, you should set the limit on your rou...
How to safely call an async method in C# without await
...
Remove Console.ReadLine(); and add a little sleep/delay in MyAsyncMethod and you'll never see the exception.
– tymtam
Nov 23 '16 at 22:57
...
write a shell script to ssh to a remote machine and execute commands
...hat the commands are run concurrently:
pssh -i -h hosts.txt -p 100 -t 0 sleep 10000
Options:
-I: Read input and sends to each ssh process.
-P: Tells pssh to display output as it arrives.
-h: Reads the host's file.
-H : [user@]host[:port] for single-host.
-i: Display standard output and...
Proper way to exit iPhone application?
...
We have apps that helps people sleep. They want the app to terminate after a set period to reduce battery drain. I think this case is acceptable - as the user is hopefully asleep and can't exit the app manually.
– JamesSugrue
...
30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...，第二件呢?是别人的程序没有留下文档。
15.和谐
随机函数可以帮你实现家庭和谐： Talk{:top word(1)="恩!"; word(2)="好的!";word(3)="然后呢?";word(4)="有道理";i=random(4); say word(i) goto top;}
16.车
Delphi象吉普车，什么路上都能开，却在啥...