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Is there any performance gain in indexing a boolean field?
...we search against. Adding an index on our Boolean field sped up queries by orders of magnitude, it went from about 9+ seconds to a fraction of a second.
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Git status shows files as changed even though contents are the same
...ppropriate for this). I assume it is with newline on the last line, a byte-order-mark, or non-canonical UTF8 encodings in general. You can always look at xxd or bdiff to do binary diffs too
– sehe
Nov 23 '11 at 14:14
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ToList()— does it create a new list?
...Enumerable<T> you get is the result of combining multiple filtering, ordering, and/or projection operations. Extension methods like ToList() and ToArray() allow you to convert the computed sequence into a standard collection.
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What is the C# equivalent of friend? [duplicate]
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Note that in order to access the outer class' members, unless the variable is static (or const), you still need a reference to the instance of Outer. As per the accepted answer here: stackoverflow.com/questions/3155172/…
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Is there an alternative to string.Replace that is case-insensitive?
... Compare: Microsoft.VisualBasic.CompareMethod.Text);
In order to use this method, you have to add a Reference to the Microsoft.VisualBasic assemblly. This assembly is a standard part of the .Net runtime, it is not an extra download or marked as obsolete.
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Check if something is (not) in a list in Python
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Scroll to a div using jquery
...ve to use click like, object.click( function() { // Your code here } ); in order to bind a click event handler to the object.... Like in my example below. As an aside, you can also just trigger a click on an object by using it without arguments, like object.click().
Third, scrollTo is a plugin in j...
How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
... the service via http://www.example.com/someservice. Is it correct that in order for the certificate to work with IP-based address (https://AAA.BBB.CCC.DDD:9443/ISomeService), I need set all CN fields to AAA.BBB.CCC.DDD (replace someSubdomain.someorganisation.com by AAA.BBB.CCC.DDD in the file above...
Is there an alternative sleep function in C to milliseconds?
...ep() takes microseconds, so you will have to multiply the input by 1000 in order to sleep in milliseconds.
usleep() has since been deprecated and subsequently removed from POSIX; for new code, nanosleep() is preferred:
#include <time.h>
int nanosleep(const struct timespec *req, str...
What's the point of NSAssert, actually?
...g a method which calculates the sum of two greater than zero integers. In order to make sure the method was always used as intended you would probably put an assert which tests that condition.
Short answer: They enforce that your code is used only as intended.
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