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Difference between abstract class and interface in Python
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@L.DeLeo - are you sure your notion of has-a vs. is-a is correct? I generally view the distinction as has-a = member variable vs. is-a = inheritance (parent class or interface). Think Comparable or List in Java; those are is-a relationships, regardless of whether they...
CAP theorem - Availability and Partition Tolerance
...provides a lot of benefits.
For me, rare: so we move on to discussing AP vs CP.
You only choose between AP and CP operation when you have a partition. If the network & hardware is operating correctly, you get your cake and eat it too.
Let's discuss the AP / CP distinction.
AP - when there i...
How to check if a Constraint exists in Sql server?
... not Exists" checks in my post "DDL 'IF not Exists" conditions to make SQL scripts re-runnable"
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Why is no one using make for Java?
...he fact that java tends to be organized as groups of files in directories, vs C and others which tend towards a flatter structure. Make doesn't have much direct support to working with hierarchies of files.
Make also isn't very good at determining what files are out of date, at a collection level.
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What's the difference between session.persist() and session.save() in Hibernate?
Can anyone tell me what's the advantage of persist() vs save() in Hibernate?
10 Answers
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Symbolicating iPhone App Crash Reports
...e able to symbolicate your stacktrace.
Proceeding to the symbolicatecrash script:
In Xcode 8.3 you should be able to invoke the script via
/Applications/Xcode.app/Contents/SharedFrameworks/DVTFoundation.framework/Versions/A/Resources/symbolicatecrash -v example.crash 2> symbolicate.log
If it...
Using node-inspector with Grunt tasks
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To run grunt in debug, you need to pass the grunt script to node explicitly:
node-debug $(which grunt) task
and put a debugger; line in your task. node-inspector will then open a browser with debugging tools.
Edit 28 Feb 2014
node-inspector has added the command node-de...
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
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EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET FOREIGN_KEY_CHECKS = 1;
This script will not raise error with NULL result in case when you already deleted all tables in the database by adding at least one nonexistent - "dummy" table.
And it fixed in case when you have many tables.
And This small cha...
Where can I learn jQuery? Is it worth it?
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It is very much worth it. jQuery really makes JavaScript fun again. It's as if all of JavaScript best practices were wrapped up into a single library.
I learned it through jQuery in Action (Manning), which I whipped through over a weekend. It's a little bit behind the curre...
How do I configure emacs for editing HTML files that contain Javascript?
...irst steps of using emacs to edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do not behav...