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How did this person code “Hello World” with Microsoft Paint?

...present colors (i.e. none of them are "mandated" by the file format2, they all come from the color of each pixel), and there's a perfect 1:1 correspondence between pixel colors and bytes written in the file; thus, using perfectly chosen colors you can actually write anything you want in the file (wi...
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How do I delete specific lines in Notepad++?

...code files (C#) and want to remove the regions. And I would like to delete all the lines that have the string '#region'. That's just an example, and I can think of several more uses, but is that even possible? ...
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How do I change the cursor between Normal and Insert modes in Vim?

...ailable on any Vim instance compiled with the +syntax feature (which is usually the case). – ib. Jan 15 '14 at 5:52 ...
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Change One Cell's Data in mysql

...nly one cell of a mysql table. I have problem with UPDATE because it makes all the parameters in a column change but I want only one changed. How? ...
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Select SQL Server database size

...02.81 814.81 -- sp_spaceused database_name database_size unallocated space ---------------- ------------------ ------------------ xxxxxxxxxxx 814.81 MB 13.04 MB Function: ALTER FUNCTION [dbo].[GetDBSize] ( @db_name NVARCHAR(100) ) RETURNS TABLE AS RETURN SELE...
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Difference between repository and service?

... A Repository is essentially a facade for persistence that uses Collection style semantics (Add, Update, Remove) to supply access to data/objects. It is a way of decoupling the way you store data/objects from the rest of the application. A service ...
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How to get the parents of a merge commit in git?

... Simple git log <hash> called for a merge commit shows abbreviated hashes of its parents: $ git log -1 395f65d commit 395f65d438b13fb1fded88a330dc06c3b0951046 Merge: 9901923 d28790d ... git outputs parents according to their number: the first...
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Does :before not work on img elements?

... place an image before an img element, only some other element. Specifically, my styles are: 12 Answers ...
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Should I use #define, enum or const?

...when running, the less damage it can do. Here are some examples to put it all together. void showRecords(TRecordType mask) { assert(RecordType::IsValidMask(mask)); // do stuff; } void wombleRecord(TRecord rec, TRecordType state) { assert(RecordType::IsValidState(state)); if (Recor...
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How can I get the intersection, union, and subset of arrays in Ruby?

I want to create different methods for a class called Multiset . 3 Answers 3 ...