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Why is quicksort better than mergesort?
...ce an algorithm’s runtime, and, when taking them all together, quicksort wins out.
In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure of performance, especial...
What is the fastest way to compute sin and cos together?
...ng of compiler flags for this to work, but:
$ gcc --version
i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5488)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS...
Oracle SQL: Update a table with data from another table
...s will occur in an unpredictable manner (i.e. last value in unordered data wins). Thirdly: It will be much slower. Assuming the outcome of the for loop was intended, the original subselect could have been rewritten in some controlled way to return only 1 value for each record... simplest contrived w...
Batch file to delete files older than N days
...entation for more details.
For more goodies, refer to An A-Z Index of the Windows XP command line.
If you don't have forfiles installed on your machine, copy it from any Windows Server 2003 to your Windows XP machine at %WinDir%\system32\. This is possible since the EXE is fully compatible bet...
Converting pfx to pem using openssl
...
You can use the OpenSSL Command line tool. The following commands should do the trick
openssl pkcs12 -in client_ssl.pfx -out client_ssl.pem -clcerts
openssl pkcs12 -in client_ssl.pfx -out root.pem -cacerts
If you want your file to be password protected etc, then there are ...
How do I detect what .NET Framework versions and service packs are installed?
... , but it was specific to .NET 3.5. Specifically, I'm looking for the following:
13 Answers
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Why does string::compare return an int?
...ll the way to one of them
// ends. If the length isn't equal, "longest" wins.
return a.length() - b.length();
}
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How to Query an NTP Server using C#?
...uture reference :
public static DateTime GetNetworkTime()
{
//default Windows time server
const string ntpServer = "time.windows.com";
// NTP message size - 16 bytes of the digest (RFC 2030)
var ntpData = new byte[48];
//Setting the Leap Indicator, Version Number and Mode valu...
Which UUID version to use?
...ollide, unless you generate a billion UUIDs every second for a century and win a coin flip. Remember, set_size is 2^122, which is very big.
– Kevin
Aug 18 '15 at 1:17
8
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Should an Enum start with a 0 or a 1?
Imagine I have defined the following Enum:
14 Answers
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