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Efficient way to insert a number into a sorted array of numbers?
... setup, the native method doesn't make up for it. This is true even for small data sets, inserting 100 elements into an array of 1000:
First Method:
1 milliseconds
Second Method:
34 milliseconds
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Database development mistakes made by application developers [closed]
...ng appropriate indices
This is a relatively easy one but still it happens all the time. Foreign keys should have indexes on them. If you're using a field in a WHERE you should (probably) have an index on it. Such indexes should often cover multiple columns based on the queries you need to execut...
How do you specify the Java compiler version in a pom.xml file?
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Generally you don't want to value only the source version (javac -source 1.8 for example) but you want to value both the source and the target version (javac -source 1.8 -target 1.8 for example).
Note that from Java 9, you have a ...
What are the differences between the urllib, urllib2, urllib3 and requests module?
... @PaulBiggar you say this is the best answer. But it does not really answer the question. I came here to find out about differences between urllib and urllib2. Especially about url encoding features. The answer: use requests! ;) Just saying you might want to clarify the question. As it st...
How to Empty Caches and Clean All Targets Xcode 4 and later
...st here: Xcode Includes .xib files that have been deleted! that cleaning all targets and empty the caches will fix the problem with Xcode including deleted .xib files but I cannot find a way to empty the cache in Xcode 4.
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
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When I called Integer.toHexString((byte)0xff) it returned "ffffffff" because of sign extension. So one might need to take the last two characters of the returned string.
– Marvo
Jul 27 '12 at 2...
onConfigurationChanged not getting called
... event. The problem is that the method, which I override, is not getting called when I change the orientation of the phone. Not getting called at all.
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Why is there a `null` value in JavaScript?
In JavaScript, there are two values which basically say 'I don't exist' - undefined and null .
12 Answers
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CSS selector for “foo that contains bar”? [duplicate]
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No, what you are looking for would be called a parent selector. CSS has none; they have been proposed multiple times but I know of no existing or forthcoming standard including them. You are correct that you would need to use something like jQuery or use additiona...
“query function not defined for Select2 undefined error”
...cloning a row of form inputs which included select2-ified select menus and all sorts of weird stuff was happening after the first clone.
– martincarlin87
Feb 28 '14 at 12:20
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