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What is the difference between a port and a socket?
...ites a person visits on the Internet use a URL like the following:
http://www.mairie-metz.fr:8080/ In this example, the number 8080 refers to the port number used by the Web browser to connect to the Web server. Normally, a Web site uses port number 80 and this number need not be included with the ...
What is the runtime performance cost of a Docker container?
...d server versus host native memcached server using Twemperf benchmark tool https://github.com/twitter/twemperf with 5000 connections and 20k connection rate
Connect time overhead for docker based memcached seems to agree with above whitepaper at roughly twice native speed.
Twemperf Docker Memcache...
What's the equivalent of use-commit-times for git?
...ckaged into Debian/Ubuntu/Mint, Fedora, Gentoo and possibly other distros:
https://github.com/MestreLion/git-tools#install
sudo apt install git-restore-mtime # Debian/Ubuntu/Mint
yum install git-tools # Fedora/ RHEL / CentOS
emerge dev-vcs/git-tools # Gentoo
IMHO, not sto...
How to implement Rate It feature in Android App
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Use this library, It is simple and easy..
https://github.com/hotchemi/Android-Rate
by adding the dependency..
dependencies {
compile 'com.github.hotchemi:android-rate:0.5.6'
}
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What's the fastest way to loop through an array in JavaScript?
...
After performing this test with most modern browsers:
https://jsben.ch/wY5fo
Currently, the fastest form of loop (and in my opinion the most syntactically obvious).
A standard for-loop with length caching
var i = 0, len = myArray.length;
while (i < len) {
// y...
Split a string by another string in C#
...es a string.
So now you can do "THExxQUICKxxBROWNxxFOX".Split("xx").
See https://docs.microsoft.com/en-us/dotnet/api/system.string.split?view=netcore-2.0#System_String_Split_System_String_System_StringSplitOptions_
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How to calculate number of days between two given dates?
... 26)
delta = d1 - d0
print(delta.days)
The relevant section of the docs:
https://docs.python.org/library/datetime.html.
See this answer for another example.
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improve this answer
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Modify request parameter with servlet filter
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As you've noted HttpServletRequest does not have a setParameter method. This is deliberate, since the class represents the request as it came from the client, and modifying the parameter would not represent that.
One solution is to use the ...
Error on renaming database in SQL Server 2008 R2
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You could try setting the database to single user mode.
https://stackoverflow.com/a/11624/2408095
use master
ALTER DATABASE BOSEVIKRAM SET SINGLE_USER WITH ROLLBACK IMMEDIATE
ALTER DATABASE BOSEVIKRAM MODIFY NAME = [BOSEVIKRAM_Deleted]
ALTER DATABASE BOSEVIKRAM_Deleted SET MU...
spring boot default H2 jdbc connection (and H2 console)
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I have found a nice tutorial about this topic:
https://springframework.guru/using-the-h2-database-console-in-spring-boot-with-spring-security/
Basically the correct JDBC URL for me was: jdbc:h2:mem:testdb
...