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How can I implement an Access Control List in my Web MVC application?
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First part/answer (ACL implementation)
In my humble opinion, the best way to approach this would be to use decorator pattern, Basically, this means that you take your object, and place it inside another object, which will act like a protective shell. T...
Can I prevent text in a div block from overflowing?
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The user needs to check this as the answer. It worked for me today! Thanks pal!
– Eduardo A. Fernández Díaz
Aug 22 '19 at 0:58
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What is Objective C++? [closed]
...ore, and the resulting executable will be linked with the Objective-C runtime, so your Objective-C classes will work as well. You can definitely use it in Xcode -- name your files with the .mm extension.
Also, you might want to read Apple's (sadly deleted, but archived) documentation on Objective-C...
How do I find where an exception was thrown in C++?
I have a program that throws an uncaught exception somewhere. All I get is a report of an exception being thrown, and no information as to where it was thrown. It seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated.
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Convert string to number and add one
...e id into a number and add one to it then pass the new value into the dosomething() function to use. When I tried this and the value is one I get back 11 not 2.
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How does one create an InputStream from a String? [duplicate]
...ytes() );
Update For multi-byte support use (thanks to Aaron Waibel's comment):
InputStream is = new ByteArrayInputStream(Charset.forName("UTF-16").encode(myString).array());
Please see ByteArrayInputStream manual.
It is safe to use a charset argument in String#getBytes(charset) method above....
Find the files that have been changed in last 24 hours
E.g., a MySQL server is running on my Ubuntu machine. Some data has been changed during the last 24 hours.
6 Answers
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Java current machine name and logged in user?
Is it possible to get the name of the currently logged in user (Windows/Unix) and the hostname of the machine?
4 Answers
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How can I access and process nested objects, arrays or JSON?
...and objects expose a key -> value structure. Keys in an array must be numeric, whereas any string can be used as key in objects. The key-value pairs are also called the "properties".
Properties can be accessed either using dot notation
const value = obj.someProperty;
or bracket notation, if t...
How to store printStackTrace into a string [duplicate]
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Something along the lines of
StringWriter errors = new StringWriter();
ex.printStackTrace(new PrintWriter(errors));
return errors.toString();
Ought to be what you need.
Relevant documentation:
StringWriter
PrintWriter
T...