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MySQL: Set user variable from result of query
...ame} and this '{variable_name}', we can replace it with our variable name.
Now, how to assign a value in a variable in mysql. For this we have many ways to do that
Using keyword 'SET'.
Example :-
mysql > SET @a = 1;
Without using keyword 'SET' and using ':='.
Example:-
mysql > @a:=1;
B...
Difference between Math.Floor() and Math.Truncate()
...ctly if the text, I totally got the examples wrong. Hopefully that's fixed now.
– paxdiablo
May 5 '09 at 4:16
Sorry to...
Is there a 'foreach' function in Python 3?
...-litb thing is that he is right... 'for' in python is literally 'foreach' known in other languages...in tcl for eg a 'for' loop would be something like for {stuff ran on beginning of loop} {condition here} {stuff that runs on each iteration} {commands here...} eg: for {set x 1} {$x <= 10} {incr x...
Learning Ruby on Rails
As it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
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iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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Is it possible to listen to a “style change” event?
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Things have moved on a bit since the question was asked - it is now possible to use a MutationObserver to detect changes in the 'style' attribute of an element, no jQuery required:
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutationRecord) {
...
How to disable / enable dialog negative positive buttons?
...OR you can use here setOnShowListener to disable button at first time.
// Now set the textchange listener for edittext
input.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
}
@Override
...
LEFT OUTER joins in Rails 3
...In Rails 3, this is the only way to have true control over your joins and know exactly what's going on.
– Joshua Pinter
Jan 29 '18 at 16:26
add a comment
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What is the difference between Bower and npm?
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npm 3 supports a flat dependency tree now.
– vasa
Nov 21 '15 at 6:55
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What do people think of the fossil DVCS? [closed]
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After having used Fossil for more than a year now on non-trivial development projects, I feel confident enough to wage in on this topic.
Below's my experience so far. I'm comparing against git and svn at times, simply because I know those SCM's very well and comparing m...