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Get the first elem>me m>nt of an array
...this a little overkill? What if the array contains several thousands of elem>me m>nts? Is it justified to create a whole new array just to get its first elem>me m>nt? list() and reset() are much nicer solutions to my opinion.
– Martin Dimitrov
Jun 12 '12 at 11:25
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Should I use window.navigate or docum>me m>nt.location in JavaScript?
What's the preferred m>me m>thod to use to change the location of the current web page using JavaScript? I've seen both window.navigate and docum>me m>nt.location used. Are there any differences in behavior? Are there differences in browser implem>me m>ntations?
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Map over object preserving keys
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it looks to m>me m> like you're making an OBJECT into an object, or am i out of my mind?
– jsh
Sep 28 '15 at 18:22
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ansible: lineinfile for several lines?
The sam>me m> way there is a module lineinfile to add one line in a file, is there a way to add several lines?
8 Answers
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How do I check if string contains substring? [duplicate]
I have a shopping cart that displays product options in a dropdown m>me m>nu and if they select "yes", I want to make som>me m> other fields on the page visible.
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What is a void pointer in C++? [duplicate]
I often see code which resembles som>me m>thing like the following:
4 Answers
4
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...t.keys() and dict.items()) returns a view, rather than a list. See the docum>me m>ntation here. You therefore need to wrap your call to dict.values() in a call to list like so:
v = list(d.values())
{nam>me m>s[i]:v[i] for i in range(len(nam>me m>s))}
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JPA getSingleResult() or null
I have an insertOrUpdate m>me m>thod which inserts an Entity when it doesn't exist or update it if it does. To enable this, I have to findByIdAndForeignKey , if it returned null insert if not then update. The problem is how do I check if it exists? So I tried getSingleResult . But it throws an ex...
Querying data by joining two tables in two database on different servers
... to use sp_addlinkedserver to create a server link. See the reference docum>me m>ntation for usage. Once the server link is established, you'll construct the query as normal, just prefixing the database nam>me m> with the other server. I.E:
-- FROM DB1
SELECT *
FROM [MyDatabaseOnDB1].[dbo].[MyTable] tab1
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UIView Hide/Show with animation
...iOS 4 and later, there's a way to do this just using the UIView transition m>me m>thod without needing to import QuartzCore. You can just say:
Objective C
[UIView transitionWithView:button
duration:0.4
options:UIViewAnimationOptionTransitionCrossDissolve
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