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What is a serialVersionUID and why should I use it?
...ization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiv...
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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FileNotFoundException while getting the InputStream object from HttpURLConnection
...ck a response in form of xml string. The app is hosted on apache-tomcat locally.
7 Answers
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Select element by exact match of its content
All right, I wonder if there is a way to make the :contains() jQuery's selector to select elements with only the string that is typed in
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How to delete and replace last line in the terminal using bash?
... I need to erase the last line shown on the screen (command "clear" erases all the screen, but I need to erase only the line of the progress bar and replace it with the new information).
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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...
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...
Converting Symbols, Accent Letters to English Alphabet
...e are thousands of characters in the Unicode chart and I want to convert all the similar characters to the letters which are in English alphabet.
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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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