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C++, What does the colon after a constructor mean? [duplicate]
...at your comment about = is wrong. Using initialization list, value will be set according to initialisation list. Using assignment: class cl { public: cl() { cout<<"before setting is "<<va; va = 1; cout<<"after setting to 1 is...
Go install fails with error: no install location for directory xxx outside GOPATH
...in directory. Creating this folder was that was needed -- I didn't need to set GOBIN env var.
– xentek
Jan 21 '15 at 7:20
4
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Set every cell in matrix to 0 if that row or column contains a 0
Given a NxN matrix with 0s and 1s. Set every row that contains a 0 to all 0 s and set every column that contains a 0 to all 0 s.
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How to get the max of two values in MySQL?
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To get the maximum value of a column across a set of rows:
SELECT MAX(column1) FROM table; -- expect one result
To get the maximum value of a set of columns, literals, or variables for each row:
SELECT GREATEST(column1, 1, 0, @val) FROM table; -- expect many results
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Express res.sendfile throwing forbidden error
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res.sendFile('index.html', {root: './temp'});
The root option seems to set ./ as the root directory of your project. So I cannot fully tell where you file is in relation to the project root, but if your temp folder is there, you can set ./temp as the root for the file you're sending.
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
Android function View.setPadding(int left, int top, int right, int bottom) only accepts values in px but I want to set padding in dp. Is there any way around it?
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SQL Server CTE and recursion example
...mployees],
-- relative to the [Anchor] above.
-- This will produce a resultset, we will call it R{1} and it is JOINed to [Employees]
-- as defined by the hierarchy
-- Subsequent "executions" of this block will reference R{n-1}
SELECT e.EmployeeID, e.FirstName, e.LastName, e.ManagerID,
r.Em...
How to structure a express.js application?
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It would be cool to upload a sample setup to github for us to look at. What goes in Routes folder/files?
– chovy
Oct 11 '11 at 23:06
1
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Why is the standard session lifetime 24 minutes (1440 seconds)?
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One reference to PHP4 default settings: github.com/php/php-src/blob/PHP-4.0/ext/session/session.c
– CXJ
Aug 11 '17 at 17:44
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VIM Ctrl-V Conflict with Windows Paste
...isual mode. However, this key has conflict with Windows paste. How can I reset this key back to VIM visual mode instead of pasting. I prefer to set this in my _vimrc configuration file.
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