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Using G++ to compile multiple .cpp and .h files

... Now that I've separated the classes to .h and .cpp files do I need to use a makefile or can I still use the "g++ main.cpp" command? Compiling several files at once is a poor choice if you are going to put that into the Makef...
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How to allow to accept only image files?

...turn; } // here you can do whatever you want with your image. Now you are sure that it is an image } }
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How do I convert a double into a string in C++?

I need to store a double as a string. I know I can use printf if I wanted to display it, but I just want to store it in a string variable so that I can store it in a map later (as the value , not the key ). ...
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How to get numbers after decimal point?

... does anyone know which would be the faster operation, this method described above, or: float b = a - int(a) ? i suspect the later, but wanted to see if there was confirmation – hokkuk Sep 8 '12 a...
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How to append a newline to StringBuilder

... ... and now this is deprecated. Please use org.apache.commons.text.TextStringBuilder. – Ashok M A Jan 24 '19 at 11:50 ...
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UIlabel layer.cornerRadius not working in iOS 7.1

.....just "progress"...<humf>, it seems that UILabel's clipsToBounds is now defaulting to FALSE like most other UIViews. Apple's probably trying to make stuffs more consistent. I too just had the same issue. – Leslie Godwin Mar 12 '14 at 5:28 ...
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JAX-RS — How to return JSON and HTTP status code together?

...u provide an interface returning a Response to a third party, he does not know what type are you really returning. Spring makes it more clear with an annotation, very useful if you always return a status code (i.e. HTTP 204) – Guido Nov 14 '12 at 16:48 ...
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How can you make a custom keyboard in Android?

I want to make a custom keyboard. I don't know how to do it using XML and Java. The following picture is a model of the keyboard I want to make. It only needs numbers. ...
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How do you change the datatype of a column in SQL Server?

...taType. Very scary, so be careful (it may be a cache-bug that is fixed by now or one MS never bothers fixing). For those wondering why I ran T-SQL when I use Design-View, I wanted to alter my DataTypes to SysName (which SSMS does not allow). – MikeTeeVee Apr ...
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ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8

...dio 2012 RC. The installer also installs IIS 8 Express which Visual Studio now uses as the default web server. 19 Answers ...