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PostgreSQL LIKE query performance variations

...to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results. ...
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Defining a percentage width for a LinearLayout? [duplicate]

I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean: ...
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C++: How to round a double to an int? [duplicate]

... add 0.5 before casting (if x > 0) or subtract 0.5 (if x < 0), because the compiler will always truncate. float x = 55; // stored as 54.999999... x = x + 0.5 - (x<0); // x is now 55.499999... int y = (int)x; // truncated...
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How do I properly compare strings in C?

...ngs using != or ==, you need to use strcmp: while (strcmp(check,input) != 0) The reason for this is because != and == will only compare the base addresses of those strings. Not the contents of the strings themselves. shar...
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How to set enum to null

...e for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None. public Color myColor = Color.None; share | improve this ans...
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How do I auto-hide placeholder text upon focus using css or jquery?

...| edited Aug 17 '17 at 8:10 C.d. 9,23066 gold badges3737 silver badges5050 bronze badges answered Mar 14...
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Does uninstalling a package with “pip” also remove the dependent packages?

...ze # all the packages here are dependencies of specloud package figleaf==0.6.1 nose==1.1.2 pinocchio==0.3 specloud==0.4.5 $ pip uninstall specloud $ pip freeze figleaf==0.6.1 nose==1.1.2 pinocchio==0.3 As you can see those packages are dependencies from specloud and they're still there, but no...
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How can I pad an integer with zeros on the left?

... Use java.lang.String.format(String,Object...) like this: String.format("%05d", yournumber); for zero-padding with a length of 5. For hexadecimal output replace the d with an x as in "%05x". The full formatting options are documented as part of java.util.Formatter. ...
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What is the order of precedence for CSS?

... TylerH 18.1k1212 gold badges6161 silver badges8080 bronze badges answered Aug 3 '14 at 14:49 Lorenz MeyerLorenz Meyer 16.7k20...
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Using Custom Domains With IIS Express

... +500 This is what worked for me (Updated for VS 2013, see revision history for 2010, for VS 2015 see this: https://stackoverflow.com/a/327...