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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...or I/O operations to complete. As soon as an asynchronous I/O operation is started, it releases the thread on which it was launched and a callback is registered. When the operation completes, the callback is queued for execution on the first available thread.
If the I/O operation is executed synchr...
What's the best way of scraping data from a website? [closed]
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You will definitely want to start with a good web scraping framework. Later on you may decide that they are too limiting and you can put together your own stack of libraries but without a lot of scraping experience your design will be much worse than pj...
What is Scala's yield?
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The answer starts like this: "It is used in sequence comprehensions (like Python's list-comprehensions and generators, where you may use yield too)." This mistakenly leads one to think that yield in Scala is similar to yield in Python. ...
Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
... of synchronized methods on the same object to interleave"
// Start the thread
thread.start();
thread2.start();
}
public synchronized void increment() {
System.out.println("Begin thread " + Thread.currentThread().getName());
System.out.println(t...
What is a magic number, and why is it bad? [closed]
...ts (i.e. your Session.Timeout = 50 call, which is also set to 25 and users start reporting too frequent timeouts).
Also, the code can be hard to understand, i.e. "if a < 50 then bla" - if you encounter that in the middle of a complicated function, other developers who are not familiar with the c...
How to declare variable and use it in the same Oracle SQL script?
...you want to declare date and then use it in SQL Developer.
DEFINE PROPp_START_DT = TO_DATE('01-SEP-1999')
SELECT *
FROM proposal
WHERE prop_start_dt = &PROPp_START_DT
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When to use a linked list over an array/array list?
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Good start, but this leaves out important things: lists support structure sharing, arrays are denser and have better locality.
– Darius Bacon
Dec 26 '08 at 8:26
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Why is semicolon allowed in this python snippet?
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@Cucu You're right. You also can't start a line with a semicolon, or start an expression list with a comma. So it's more accurate to say that semicolons and commas are separators and optional terminators.
– wjandrea
Jun 2...
Linux/Unix command to determine if process is running?
...xt> to find a given process then you have done something wrong when you started the process, IMHO. I take it from the OP's question that indeed he has control over how the process is started.
– peterh
Nov 16 '13 at 9:40
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WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
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Tip04: WinDbg Auto Start
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug]
"Debugger"="\"C:\\windbg\\windbg.exe\" -p %ld -e %ld -g"
"Auto"="1"
"DebuggerOld"="\"C:\\Windows\\system32\\vsjitdebugger.exe\" -p %ld -e %ld...