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Why do assignment statements return a value?
...
Aside from the reasons already mentioned (assignment chaining, set-and-test within while loops, etc), to properly use the using statement you need this feature:
using (Font font3 = new Font("Arial", 10.0f))
{
// Use font3.
}
MSDN discourages declaring the disposable object outside...
How do I get Month and Date of JavaScript in 2 digit format?
When we call getMonth() and getDate() on date object, we will get the single digit number .
For example :
28 Answers...
Search all of Git history for a string? [duplicate]
...tHub as open source. In this git-controlled source tree, I have certain configuration files which contain passwords. I made sure not to track this file and I also added it to the .gitignore file. However, I want to be absolutely positive that no sensitive information is going to be pushed, perhaps...
git: updates were rejected because the remote contains work that you do not have locally
I'm working on a team with a few developers using git on BitBucket. We are all working on a dev branch, not pushing to master until a release.
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How to scale a UIImageView proportionally?
...ke sure it would work as needed, but I don't remember the variable name to set. So I Google it and found this answer.
– Dino Tw
Feb 20 '14 at 17:38
1
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What is a smart pointer and when should I use one?
... Copy and transfer ownership.
// p1 gets set to empty!
p2->DoSomething(); // Works.
p1->DoSomething(); // Oh oh. Hopefully raises some NULL pointer exception.
OLD ANSWER
A smart pointer is a class that wraps a 'raw' (or 'bare') C++ pointer, to manage the ...
Efficient string concatenation in C++
I heard a few people expressing worries about "+" operator in std::string and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the best way to concatenate strings in C++?
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How to check if a database exists in SQL Server?
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From a Microsoft's script:
DECLARE @dbname nvarchar(128)
SET @dbname = N'Senna'
IF (EXISTS (SELECT name
FROM master.dbo.sysdatabases
WHERE ('[' + name + ']' = @dbname
OR name = @dbname)))
-- code mine :)
PRINT 'db exists'
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Malloc vs new — different padding
I'm reviewing someone else's C++ code for our project that uses MPI for high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:...
Differences between std::make_unique and std::unique_ptr with new
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