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SQL - HAVING vs. WHERE
...s a rule of thumb, use WHERE before GROUP BY and HAVING after GROUP BY. It is a rather primitive rule, but it is useful in more than 90% of the cases.
While you're at it, you may want to re-write your query using ANSI version of the join:
SELECT L.LectID, Fname, Lname
FROM Lecturers L
JOIN Lectur...
Recommended Vim plugins for JavaScript coding? [closed]
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Syntax Checking / Linting
There is a very easy way to integrate JSLint or the community-driven jshint.com (which is much better IMO) with Vim using the Syntastic Vim plugin. See my other post for more info.
Source-Code browsing / Tag-list
There's also a v...
How can we programmatically detect which iOS version is device running on? [duplicate]
I want to check if the user is running the app on iOS less than 5.0 and display a label in the app.
10 Answers
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Best way to make Django's login_required the default
...arge Django app, the vast majority of which requires a login to access. This means that all throughout our app we've sprinkled:
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Flexbox not giving equal width to elements
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There is an important bit that is not mentioned in the article to which you linked and that is flex-basis. By default flex-basis is auto.
From the spec:
If the specified flex-basis is auto, the used flex basis is the value ...
Remote debugging with Android emulator
Is it possible to write the code/compile Android application on one machine and debug it remotely on the emulator launched on another? I'm sick and tired of the emulator constantly eating half of my laptop's CPU.
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image.onload event and browser cache
I want to create an alert box after an image is loaded, but if the image is saved in the browser cache, the .onload event will not be fired.
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What is the difference between Nexus and Maven?
What is the difference between Nexus and Maven ?
3 Answers
3
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Java Embedded Databases Comparison [closed]
...e I need to use an embedded database, but I have no experience regarding this issue. I tried to look at some of the available products , but I can't decide which one would be more suitable for me. H2 , HSQLDB , Derby and Berkeley DB seem to be good candidates, but I still don't see how they c...
Using sed to mass rename files
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First, I should say that the easiest way to do this is to use the
prename or rename commands.
On Ubuntu, OSX (Homebrew package rename, MacPorts package p5-file-rename), or other systems with perl rename (prename):
rename s/0000/000/ F0000*
or on systems with rename from...