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How to capture UIView to UIImage without loss of quality on retina display
...ImageContext to UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the...
How to SSH to a VirtualBox guest externally through a host? [closed]
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The best way to login to a guest Linux VirtualBox VM is port forwarding. By default, you should have one interface already which is using NAT. Then go to the Network settings and click the Port Forwarding button. Add a new Rule. As the rule name, insert "ssh". As "Host port", ...
A free tool to check C/C++ source code against a set of coding standards? [closed]
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The only tool I know is Vera. Haven't used it, though, so can't comment how viable it is. Demo looks promising.
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Remove multiple whitespaces
... means replace two or more whitespace with a single space.
What you want is replace one or more whitespace with single whitespace, so you can use the pattern \s\s* or \s+ (recommended)
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
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Cygwin uses persistent shared memory sections, which can on occasion become corrupted. The symptom of this is that some Cygwin programs begin to fail, but other applications are unaffected. Since these shared memory sections are persistent, ...
How to convert C# nullable int to int
...that's slightly cleaner:
v2 = v1 ?? default(int);
Any Nullable<T> is implicitly convertible to its T, PROVIDED that the entire expression being evaluated can never result in a null assignment to a ValueType. So, the null-coalescing operator ?? is just syntax sugar for the ternary operator:
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...ch has references with City. But everytime I try to save my contact, which is validated I get the exception "ADO.Net Entity Framework An entity object cannot be referenced by multiple instances of IEntityChangeTracker"
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How to search all loaded scripts in Chrome Developer Tools?
... the scripts panel.
Make sure 'Search in anonymous and content scripts' is checked in the DevTools Preferences (F1). This will return results from within iframes and HTML inline scripts:
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Set title background color
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This thread will get you started with building your own title bar in a xml file and using it in your activities
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Here is a brief summary of the content of the link above - This is just to set the color of the text and the...
What is the use of printStackTrace() method in Java?
I am going through a socket program. In it, printStackTrace is called on the IOException object in the catch block.
What does printStackTrace() actually do?
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