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How to print out the method name and line number and conditionally disable NSLog?
I'm doing a presentation on debugging in Xcode and would like to get more information on using NSLog efficiently.
13 Answer...
Can someone explain in simple terms to me what a directed acyclic graph is?
Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming.
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How to Truncate a string in PHP to the word closest to a certain number of characters?
I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
Maven: best way of linking custom external JAR to my project?
It's my first couple of days learning Maven and I'm still struggling with the basics. I have an external .jar file (not available in the public repos) that I need to reference in my project and I'm trying to figure out what my best option is.
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Using sed, how do you print the first 'N' characters of a line?
Using sed what is an one liner to print the first n characters ? I am doing the following:
6 Answers
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Is it good practice to use java.lang.String.intern()?
...tern() doesn't give much detail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == )
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Missing return statement in a non-void method compiles
... a non-void method is missing a return statement and the code still compiles.
I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a language allow us to have a no...
Create a GUID in Java
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Have a look at the UUID class bundled with Java 5 and later.
For example:
If you want a random UUID you can use the randomUUID method.
If you want a UUID initialized to a specific value you can use the UUID constructor or the fromString method.
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It is more efficient to use if-return-return or if-else-return?
Suppose I have an if statement with a return . From the efficiency perspective, should I use
8 Answers
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Change string color with NSAttributedString?
I have a slider for a survey that display the following strings based on the value of the slider: "Very Bad, Bad, Okay, Good, Very Good".
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