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Capybara Ambiguity Resolution
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This is detailed in the Capybara Upgrade Guide you may find useful if you had this problem.
– Ritchie
May 22 '13 at 5:25
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With MySQL, how can I generate a column containing the record index in a table?
... @smhnaji MySQL requires that every "derived table" is given a name. I decided to call it "r" :) ... It has little purpose in this case, but you'd normally use it to reference attributes of the derived table, as if it was a real table.
– Daniel Vassallo
Feb 27...
GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
... In case if you are running a linux machine, copying the content of id_rsa.pub file might be difficult if you are using emacs or nano. Try copying with a text editor (Notepad, TextEdit, or gedit will do just fine). If you don't have any of these, then you can use vim.
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Passing parameters to JavaScript files
...ript type="text/javascript">
MYLIBRARY.init(["somevalue", 1, "controlId"]);
MYLIBRARY.helloWorld();
</script>
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Backbone.View “el” confusion
...r want to see it do anything.
An example:
I have a view that creates individual items
window.ItemView = Backbone.View.extend({
tagName: "li", //this defaults to div if you don't declare it.
template: _.template("<p><%= someModelKey %></p>"),
events: {
//this...
In Python, what is the difference between “.append()” and “+= []”?
...l add one item to the list, while += will copy all elements of right-hand-side list into the left-hand-side list.
Update: perf analysis
Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs...
SQL - find records from one table which don't exist in another
... WHERE Phone_book.phone_number IS NULL
(ignoring that, as others have said, it's normally best to select just the columns you want, not '*')
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Is Random class thread safe?
Is it valid to share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
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Different dependencies for different build profiles
...d.
(Emphasis is mine)
Just put the dependency for the release profile inside the profile declaration itself and do the same for debug.
<profiles>
<profile>
<id>debug</id>
…
<dependencies>
<dependency>…</dependency...
twitter bootstrap typeahead ajax example
...hat isnt just a string array? i need to so a value to the user and use an id to do further processing. Is that possible without pickingup a custom fork?
– Anton
Sep 9 '12 at 23:35
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