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What is the difference between concurrency, parallelism and asynchronous methods?
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In Short,
Concurrency means multiple tasks which start, run, and complete in overlapping time periods, in no specific order. Parallelism is when multiple tasks OR several part of a unique task literally run at the same time, e.g. on a multi-core processor.
Remember that...
Code signing certificate for open-source projects?
...te. That's it.
Link to open source code signing certificates is here
[*] Starting 2016, the Open Source Code Signing certificate is no longer available for free. It is now a paid only service.
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iOS Tests/Specs TDD/BDD and Integration & Acceptance Testing
...example) comes down to two things: preferred style, and ease of use. I'll start with the style, because that's simply a matter of opinion and preference; ease of use tends to be a set of tradeoffs.
Style considerations transcend what technology or language you use. xUnit-style unit testing has be...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
...rd was that two preeminent Scala programmers were pairing when one of them started writing some code like this:
option match {
case Some ...
At which point the other said "What is this? Amateur hour? Flat map that shit!"
As to what's so powerful about flatMap, well... First, it's the fundame...
SQL Server dynamic PIVOT query?
... not understand pivots and were typically using max as an aggregate.
Lets start with the code to create the stored procedure. This code should work in all versions of SSMS 2005 and above but I have not tested it in 2005 or 2016 but I can not see why it would not work.
create PROCEDURE [dbo].[USP_D...
Are there legitimate uses for JavaScript's “with” statement?
...ike the behavior of blocks in C++ (in C, variables must be declared at the start of a block, so in a way it is similar). This behavior is actually quite similar to a let block syntax introduced in earlier versions of Mozilla browsers, but not widely adopted elsewhere.
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Can you add new statements to Python's syntax?
...de gets run (eg. you could place it in your .pythonrc or site.py) any code starting with the comment "# coding: mylang" will automatically be translated through the above preprocessing step. eg.
# coding: mylang
myprint "this gets logged to file"
for i in range(10):
myprint "so does this : ", ...
doGet and doPost in Servlets
...s.
See also:
Our servlets wiki page
Java EE web development, where do I start and what skills do I need?
Servlet returns "HTTP Status 404 The requested resource (/servlet) is not available"
Show JDBC ResultSet in HTML in JSP page using MVC and DAO pattern
Update: as per the update of your que...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
...LE', 'UTF-8');
Make sure that you add the UTF-16LE byte order mark to the start of the file
chr(255) . chr(254)
The next problem that appears only with Excel on OS X (but not Windows) will be when viewing a CSV file with comma separated values, Excel will render rows only with one row and all o...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
...; Edit Configurations)
Go to the "Deployment" tab
In the "Deploy at Server Startup" section, remove (if present) the artifact my-webapp-name:war
Click the add icon, select 'artifact' and then select my-webapp-name:war exploded
Click OK (on the "Select Artifacts to Deploy" dialog)
Still in the Run/De...