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Type safety: Unchecked cast
...vailable to the garbage collector. So, don't do that, use:
private Map<String, String> someMap = (HashMap<String, String>)getApplicationContext().getBean("someMap");
Secondly, the compiler is complaining that you cast the object to a HashMap without checking if it is a HashMap. But, e...
How to use GROUP BY to concatenate strings in SQL Server?
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A slightly cleaner way of doing the string manipulation: STUFF((SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH ('')),1,2,'') AS NameValues
– Jonathan Sayce
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How to check if a file exists in Documents folder?
... if it was a main application you'll have access to the entire file system and you'll use the shared Documents directory. If you install it via iTunes or XCode you'll be using your applications' personal directory. It's nice to store files in your local directory for backup purposes.
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Re-sign IPA (iPhone)
I currently build all my applications with hudson using xcodebuild followed by a xcrun without any problems
11 Answers
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How can I make an “are you sure” prompt in a Windows batchfile?
...t command has the /p option you can get user input
SET /P variable=[promptString]
see set /? for more info
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Spring RestTemplate timeout
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I finally got this working.
I think the fact that our project had two different versions of the commons-httpclient jar wasn't helping. Once I sorted that out I found you can do two things...
In code you can put the following:
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Modular multiplicative inverse function in Python
Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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How can I transform string to UTF-8 in C#?
I have a string that I receive from a third party app and I would like to display it correctly in any language using C# on my Windows Surface.
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What are the differences between JSON and JavaScript object? [duplicate]
...or example:
var o = { if: "foo" }; // SyntaxError in ES3
While, using a string literal as a property name (quoting the property name) gives no problems:
var o = { "if": "foo" };
So for "compatibility" (and easy eval'ing maybe?) the quotes are mandatory.
The data types in JSON are also restri...
What is the difference between NULL, '\0' and 0?
... with pointers. However you may see something similar to this code:
if (!*string_pointer)
checks if the string pointer is pointing at a null character
if (*string_pointer)
checks if the string pointer is pointing at a non-null character
Don't get these confused with null pointers. Just becaus...