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nodeJs callbacks simple example
can any one give me a a simple example of nodeJs callbacks, I have already searched for the same on many websites but not able to understand it properly, Please give me a simple example.
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System.Security.SecurityException when writing to Event Log
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To give Network Service read permission on the EventLog/Security key (as suggested by Firenzi and royrules22) follow instructions from http://geekswithblogs.net/timh/archive/2005/10/05/56029.aspx
Open the Registry Editor:
Select Start then Run
E...
关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是“一切皆文件”，都可以用“打开open –> 读写write/read –> 关闭close”模式来操作。我的理解就是Socket就是该模式的一个实现，socket即是一种特殊的文件，一些socket函数就是对其进行的操作（读/写IO、打开、关闭）
既然U...
How can I overwrite a getter method in an ActiveRecord model?
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The Rails Style Guide recommends using self[:attr] over read_attribute(:attr).
You can use it like this:
def name
name_trans || self[:name]
end
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Jsoup SocketTimeoutException: Read timed out
..., the default timeout for an org.jsoup.Connection is 30 seconds.
As has already been mentioned, this can be set using timeout(int millis)
Also, as the OP notes in the edit, this can also be set using timeout(0). However, as the javadocs state:
A timeout of zero is treated as an infinite timeou...
Executing Batch File in C#
...ocess = Process.Start(processInfo);
process.WaitForExit();
// *** Read the streams ***
// Warning: This approach can lead to deadlocks, see Edit #2
string output = process.StandardOutput.ReadToEnd();
string error = process.StandardError.ReadToEnd();
exitCode = process.ExitC...
Purpose of Unions in C and C++
I have used unions earlier comfortably; today I was alarmed when I read this post and came to know that this code
15 Ans...
How does BitLocker affect performance? [closed]
...ton V100 64gb SSD the results are
Bitlocker off → on
Sequential read 243 MB/s → 140 MB/s
Sequential write 74.5 MB/s → 51 MB/s
Random read 176 MB/s → 100 MB/s
Random write, and the 4KB speeds are almost identical.
Clearly the processor is the bottleneck in this case....
Reading a key from the Web.Config using ConfigurationManager
I am trying to read the keys from the Web.config file in a different layer than the web layer (Same solution)
10 Answers
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Using printf with a non-null terminated string
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Very bad performance due to lots of unnecessary byte reads (which come with a performance penalty if the the byte is not on a word-aligned address on most CPUs) and also the formatting parsing and applying is done for each and every character. Don't do that :-) See my answer fo...