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What is your most productive shortcut with Vim?
...ld be (as a developer) faster with Vim than with any other editor.
I'm using Vim to do some basic stuff and I'm at best 10 times less productive with Vim.
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How to drop columns using Rails migration
What's the syntax for dropping a database table column through a Rails migration?
20 Answers
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Is it better in C++ to pass by value or pass by constant reference?
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It used to be generally recommended best practice1 to use pass by const ref for all types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function).
This w...
Looking for a clear definition of what a “tokenizer”, “parser” and...
I am looking for a clear definition of what a "tokenizer", "parser" and "lexer" are and how they are related to each other (e.g., does a parser use a tokenizer or vice versa)? I need to create a program will go through c/h source files to extract data declaration and definitions.
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How to run eclipse in clean mode? what happens if we do so?
If something is not working properly or some plug-ins are not loaded properly in my Eclipse I often get suggestion to open Eclipse in clean mode.
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Best way to select random rows PostgreSQL
I want a random selection of rows in PostgreSQL, I tried this:
12 Answers
12
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What do the makefile symbols $@ and $< mean?
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$@ is the name of the target being generated, and $< the first prerequisite (usually a source file). You can find a list of all these special variables in the GNU Make manual.
For example, consider the following declaration:
all: library.cpp main....
How to measure code coverage in Golang?
Has anyone succeeded in generating code coverage for Go unit tests? I can't find a tool for that on the web.
11 Answers
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How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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How do you specify that a class property is an integer?
I'm experimenting with TypeScript, and in the process of creating a class with an "ID" field that should be an integer, I have gotten a little confused.
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