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PostgreSQL LIKE query performance variations

...ull Text Search with its full text indexes is not for the LIKE operator at all, it has its own operators and doesn't work for arbitrary strings. It operates on words based on dictionaries and stemming. It does support prefix matching for words, but not with the LIKE operator: Get partial match fro...
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What does SynchronizationContext do?

...t. The running thread can be associated with a synchronization context by calling the static SynchronizationContext.SetSynchronizationContext method, and the current context of the running thread can be queried via the SynchronizationContext.Current property. Despite what I just wrote (each thread h...
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Organizing a multiple-file Go project [closed]

...eath src, you can simply place your project mypack, and underneath that is all of your .go files including the mypack_test.go go build will then build into the root level pkg and bin. So your GOPATH might look like this: ~/projects/ bin/ pkg/ src/ mypack/ foo.go ...
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How to send POST request in JSON using HTTPClient in Android?

...uthor used to make a HttpClient Request. I do not claim to be an expert at all this so if anyone has a better way to word some of the terminology feel free. public static HttpResponse makeRequest(String path, Map params) throws Exception { //instantiates httpclient to make request DefaultH...
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What is meant by 'first class object'?

...nction literal) if it treats functions as first-class objects. Specifically, this means that the language supports constructing new functions during the execution of a program, storing them in data structures, passing them as arguments to other functions, and returning them as the va...
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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables

...ve the seconds into the day if you want NSDate *today = [NSDate date]; // All intervals taken from Google NSDate *yesterday = [today dateByAddingTimeInterval: -86400.0]; NSDate *thisWeek = [today dateByAddingTimeInterval: -604800.0]; NSDate *lastWeek = [today dateByAddingTimeInterval: -1209600.0]...
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Why should I use var instead of a type? [duplicate]

After I have installed ReSharper it demands(by warnings) that I use var whenever possible, for example 4 Answers ...
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Setting Objects to Null/Nothing after use in .NET

Should you set all the objects to null ( Nothing in VB.NET) once you have finished with them? 15 Answers ...
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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied

...of the task bar and right-click the IIS Express icon. This will pop up a small window showing you the web sites that IIS Express is currently running... If you click on one of the items under "View Sites" you have the option to stop that site. Or, you can click the Exit item at the bottom of the ...
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Get the length of a String

...Before Swift 2.0, count was a global function. As of Swift 2.0, it can be called as a member function. test1.characters.count It will return the actual number of Unicode characters in a String, so it's the most correct alternative in the sense that, if you'd print the string and count characters ...