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Difference between a theta join, equijoin and natural join
I'm having trouble understanding relational algebra when it comes to theta joins, equijoins and natural joins. Could someone please help me better understand it? If I use the = sign on a theta join is it exactly the same as just using a natural join?
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Custom views with Storyboard
... UIView and the MyWidget class is the File Owner of the UIView. In the init of this widget I do a loadNibNamed .
3 Answe...
Passing current scope to an AngularJS Service
Is it correct to pass the "current" $scope to an AngularJS service?
4 Answers
4
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How to attach file to a github issue?
I migrated with a project from Bitbucket to Github and I can not find a way to attach a file to an issue (ex: screenshot, specs, etc)
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CSS Classes & SubClasses
Is it possible, other than what I'm doing because it doesn't seem to work, to do this? I want to be able to have subclasses that are under a class to use the CSS specifically for that class.subclass.
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JSLint is suddenly reporting: Use the function form of “use strict”
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Include 'use strict'; as the first statement in a wrapping function, so it only affects that function. This prevents problems when concatenating scripts that aren't strict.
See Douglas Crockford's latest blog post Strict Mode Is Coming To Town.
Example from that post:
(function () {
'use s...
How to check if element has any children in Javascript?
...an element which I am grabbing via .getElementById () . How do I check if it has any children?
8 Answers
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How can I change the color of my prompt in zsh (different from normal text)?
... output on a commandline, I want to change the color of my prompt, so that it is visibly different from the programs output. As I use zsh, can anyone give me a hint?
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Using curl POST with variables defined in bash script functions
When I echo I get this, which runs when I enter it into the terminal
7 Answers
7
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What is the difference between synchronous and asynchronous programming (in node.js)
...m will block in the first line. The next line (console.log) will have to wait.
In the second example, the console.log will be executed WHILE the query is being processed. That is, the query will be processed in the background, while your program is doing other things, and once the query data is rea...