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Is calculating an MD5 hash less CPU intensive than SHA family functions?
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Yes, MD5 is somewhat less CPU-intensive. On my Intel x86 (Core2 Quad Q6600, 2.4 GHz, using one core), I get this in 32-bit mode:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes ...
How do I pass parameters to a jar file at the time of execution?
...n-Class" (mentioned in the manifest.mf file of a JAR).
String one = args[0];
String two = args[1];
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How to change max_allowed_packet size
...line under [mysqld] or [client] section in your file:
max_allowed_packet=500M
then restart the MySQL service and you are done.
See the documentation for further information.
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Install a Windows service using a Windows command prompt?
...in your .net folder (for .net 4 it's C:\Windows\Microsoft.NET\Framework\v4.0.30319 for example) and use it to install your service, like this:
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" "c:\myservice.exe"
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How to open a file for both reading and writing?
...reopening:
with open(filename, "r+") as f:
data = f.read()
f.seek(0)
f.write(output)
f.truncate()
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Search for “does-not-contain” on a DataFrame in pandas
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edited Jan 24 '19 at 20:23
cs95
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Test if number is odd or even
...n which will return true if $number is even, false if odd:
$number % 2 == 0
Works for every integerPHP value, see as well Arithmetic OperatorsPHP.
Example:
$number = 20;
if ($number % 2 == 0) {
print "It's even";
}
Output:
It's even
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AngularJS - $anchorScroll smooth/duration
...naudbreton/angular-smoothscroll
https://gist.github.com/justinmc/d72f38339e0c654437a2
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R programming: How do I get Euler's number?
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150
The R expression
exp(1)
represents e, and
exp(2)
represents e^2.
This works because exp i...
How to convert list of tuples to multiple lists?
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answered Nov 10 '11 at 15:03
Sven MarnachSven Marnach
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