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What is the meaning of #XXX in code comments?
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XXX in a comment is usually a heads-up. It could be:
Something that's not implemented completely correctly.
Something that should be fixed later on.
Highlighting a possible problem spot.
Something you're not sure about, a question.
I've often p...
C#: how to get first char of a string?
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no worries. I do it all the time too. I'm a really slow typer.
– jjnguy
Oct 7 '10 at 5:11
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Why Func instead of Predicate?
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Well, actually you have to place that in the context of the guideline, which is about writing a LINQ provider. So yeah, for LINQ operators, the guideline is to use Func<> and Expression<> as parameters for the extension met...
Word wrap for a label in Windows Forms
...The big problem here is that the label will not change its height automatically (only width). To get this right you will need to subclass the label and include vertical resize logic.
Basically what you need to do in OnPaint is:
Measure the height of the text (Graphics.MeasureString).
If the label...
UnboundLocalError on local variable when reassigned after first use
... The variable scope decision is made by the compiler, which normally runs once when you first start the program. However it is worth keeping in mind that the compiler might also run later if you have "eval" or "exec" statements in your program.
– Greg Hewgill
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Using the “final” modifier whenever applicable in Java [closed]
...ce of declaring every variable (local or class), parameter final if they really are.
25 Answers
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Why is a 3-way merge advantageous over a 2-way merge?
...s (without reference to the original), why can't it apply both changes serially in increasing order of files' timestamps? That is: It starts off with my friend's committed copy taking it to be the (new) original (with the line addition at the top) and then, on top of it, applies my local changes (li...
How to do a JUnit assert on a message in a logger
I have some code-under-test that calls on a Java logger to report its status.
In the JUnit test code, I would like to verify that the correct log entry was made in this logger. Something along the following lines:
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How to “pretty” format JSON output in Ruby on Rails
... the code above in a controller, you'll have tons of useless whitespace in all responses, which isn't even needed for client-side debugging as any tools worth their salt (eg. Firebug) already handle prettyprinting JSON.
– lambshaanxy
Sep 20 '11 at 3:37
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Hidden Features of Xcode 4
Now that Xcode 4 is officially released it's time for a follow up to my previous question: Hidden Features of Xcode
23 Ans...