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Changing variable names in Vim

...this will bring you to the scope begin. Press V - will turn on Visual Line selection. Press % - will jump to the opposite } thus will select the whole scope. Press :s/ - start of the substitute command. <C-R>/ - will insert pattern that match variable name (that name you were on before pressin...
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How to store int[] array in application Settings

... int[] type by default in the settings file - it just doesn't allow you to select it by default. So, create a setting with desired name (e.g. SomeTestSetting) and make it of any type (e.g. string by default). Save the changes. Now go to your project folder and open the "Properties\Settings.settings...
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How to get the input from the Tkinter Text Widget?

...u don't want the last newline character. Demo See below demonstration that selects the characters in between the given positions with sliders: try: import tkinter as tk except: import Tkinter as tk class Demo(tk.LabelFrame): """ A LabeFrame that in order to demonstrate the string r...
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Is it true that one should not use NSLog() on production code?

...ions to control the defining (or lack of defining) the DEBUG_MODE. If you select "Debug" active configuration, DEBUG_MODE will be defined, and the macro expands to the full NSLog definition. Selecting the "Release" active configuration will not define DEBUG_MODE and your NSLogging is omitted from ...
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How do MySQL indexes work?

...be faster to go through the pages one by one (in a database, this is "poor selectivity"). For a 10-page book, it makes no sense to make an index, as you may end up with a 10-page book prefixed by a 5-page index, which is just silly - just scan the 10 pages and be done with it. The index also needs t...
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?

...m a hash and get the remaining hash in Ruby. .slice => It will return selected keys and not delete them from the original hash. Use slice! if you want to remove the keys permanently else use simple slice. 2.2.2 :074 > hash = {"one"=>1, "two"=>2, "three"=>3} => {"one"=>1, "tw...
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What is a method group in C#?

... Also, if you are using LINQ, you can apparently do something like myList.Select(methodGroup). So, for example, I have: private string DoSomethingToMyString(string input) { // blah } Instead of explicitly stating the variable to be used like this: public List<string> GetStringStuff()...
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How can I change the file type association of an existing file in WebStorm?

...t patterns by which a file gets associated as some type or other. If you select the patterns for a file type you have wrongly selected (in your case Text type) you can remove the filename pattern with which was created to associate you file's filename as a wrong type. Then click Apply > OK ...
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How to add column if not exists on PostgreSQL?

...s, _col text, _type regtype) RETURNS bool AS $func$ BEGIN IF EXISTS (SELECT 1 FROM pg_attribute WHERE attrelid = _tbl AND attname = _col AND NOT attisdropped) THEN RETURN FALSE; ELSE EXECUTE format('ALTER TABLE %s ADD COLUMN %I %s...
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How to load json into my angular.js ng-model?

... <div ng-controller='MikesAngularController'> <span>Please select a customer:</span> <select ng-model="selectedCustomer" ng-options="customer.CustomerID as customer.CompanyName for customer in listOfCustomers" style="width:350px;"></select> </div> And th...