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jquery if div id has children
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If you add a selector to children, you can also check if an element has children that match a particular selector, like if you want to see if an element has a child of a particular class.
– Muhd
May ...
JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
I have two select elements, A and B: when A's selected option changes, B's options must be updated accordingly. Each element in A implies many elements in B, it's a one-to-many relationship (A contains nations, B should contain cities located in the given nation).
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Best way to store time (hh:mm) in a database
...t a glance and performing calculations on them are straightforward.
E.g.
SELECT DATEDIFF(MINUTE, event_start, event_end)
ISO8601 date standard
If using SQLite then you don't have this, so instead use a Text field and store it in ISO8601 format eg.
"2013-01-27T12:30:00+0000"
Notes:
This use...
How do I push a local repo to Bitbucket using SourceTree without creating a repo on bitbucket first?
...Options, make sure SSH Client: is set to PuTTY/Plink under the General tab
Select Tools>Create or Import SSH Keys
In the popup window, click Generate and move your mouse around to give randomness to the key generator
You should get something like whats shown in the screenshot below. Copy the publ...
Maintain/Save/Restore scroll position when returning to a ListView
... - mList.getPaddingTop());
// ...
// restore index and position
mList.setSelectionFromTop(index, top);
Explanation:
ListView.getFirstVisiblePosition() returns the top visible list item. But this item may be partially scrolled out of view, and if you want to restore the exact scroll position of t...
Pry: show me the stack
... stack items. For example, if my project name were archie I'd use:
caller.select {|line| line.include? "archie" }
Which gives me the stack trace I'm looking for.
A shorter way would be:
caller.select {|x| x["archie"] }
Which works just as well.
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Can I have multiple primary keys in a single table?
...hese practices, but there is nothing in the relational model that requires selecting a primary key among the candidate keys.
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Debug code-first Entity Framework migration codes
... the top of my Configuration.Seed method. It causes a popup that lets you select your Visual Studio to debug the code. However, my system hangs when I select it (perhaps unrelated).
– Talon
Sep 12 '13 at 9:21
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How to open Atom editor from command line in OS X?
...ot able to notice it. What I had to do was to remove the symlinks and then select the Install Shell Commands from the Atom menu. There was no need to restart the console as the atom command worked immediately after selecting the option. I ran sudo rm /usr/local/bin/atom and sudo rm /usr/local/bin/ap...
How to force Selenium WebDriver to click on element which is not currently visible?
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So much this for me. ALWAYS make sure your selection criteria is specific enough to the element you think you're interacting with. Many times I've had two elements at play and one is hidden and gives me this error.
– Chris
Jun 11...