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undefined reference to boost::system::system_category() when compiling
...do.)
Assuming you use gcc, try adding -lboost_system to your compiler command line in order to link against that library.
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Best practice to validate null and empty collection in Java
I want to verify whether a collection is empty and null . Could anyone please let me know the best practice.
9 Answers
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HTML5 Canvas Resize (Downscale) Image High Quality?
... : to build the smaller image, they will just pick ONE pixel in the source and use its value for the destination. which 'forgets' some details and adds noise.
Yet there's an exception to that : since the 2X image downsampling is very simple to compute (average 4 pixels to make one) and is used fo...
Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
...module within the .gitmodules file.
Just today I encountered this problem and immediately wrote an article in my blog about it after finding a solution: How to ignore changes in git submodules
The gist of it:
Once you added a submodule there will be a file named .gitmodules in the root of your...
Getting rid of \n when using .readlines() [duplicate]
...of data. So tab-separated values is a circumstance where that would be bad and if stated that way, this answer would never be my recommendation.
– hughdbrown
Jun 3 '18 at 19:18
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Disable HttpClient logging
...egration test suite. The default logging for HttpClient is extremely noisy and I can't seem to turn it off. I've tried following the instructions here but none of them make any difference.
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How to require a fork with composer
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The most common (and easier) way of doing it is using a VCS repository.
All you have to do is add your fork as a repository and update the
version constraint to point to your custom branch. Your custom branch
name must be prefixed wit...
Using Linq to get the last N elements of a collection?
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This approach preserves item order without a dependency on any sorting, and has broad compatibility across several LINQ providers.
It is important to take care not to call Skip with a negative number. Some providers, such as the Entity Framework, will produce an ArgumentException when presented ...
How do I create a self-signed certificate for code signing on Windows?
...2, Windows Server 2012 R2, or Windows 8.1 then MakeCert is now deprecated, and Microsoft recommends using the PowerShell Cmdlet New-SelfSignedCertificate.
If you're using an older version such as Windows 7, you'll need to stick with MakeCert or another solution. Some people suggest the Public Key I...
How to Publish Web with msbuild?
Visual Studio 2010 has a Publish command that allows you to publish your Web Application Project to a file system location. I'd like to do this on my TeamCity build server, so I need to do it with the solution runner or msbuild. I tried using the Publish target, but I think that might be for ClickOn...