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Import and Export Excel - What is the best library? [closed]
...pplications in C#, we take a certain data collection (SubSonic collection) and export it to Excel. We also want to import Excel files in a specific format. I'm looking for a library I can use for this purpose.
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NULL vs nil in Objective-C
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nil should only be used in place of an id, what we Java and C++ programmers would think of as a pointer to an object. Use NULL for non-object pointers.
Look at the declaration of that method:
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object
change:(NSDi...
How accurate is python's time.sleep()?
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Yes you are right, I tried with Linux 2.6.24-24 and was able to get pretty close to 1000 Hz update rates. At the time I was doing this I was also running the code on Mac and Windows, so I probably got confused. I know windows XP at least has a tick rate of about 10ms.
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What is the default scope of a method in Java?
... access the method/field/class. Package-private is stricter than protected and public scopes, but more permissive than private scope.
More information:
http://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html
http://mindprod.com/jgloss/scope.html
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LaTeX: Prevent line break in a span of text
...nk the idea is that you will notice the lines that extend into the margin (and the black boxes it inserts after such lines), and will have a chance to revise the contents, whereas if there was too much space, you might not notice it.
Use \sloppy or \begin{sloppypar}...\end{sloppypar} to adjust this...
ValueError: invalid literal for int() with base 10: ''
I am creating a program that reads a file and if the first line of the file is not blank, it reads the next four lines. Calculations are performed on those lines and then the next line is read. If that line is not empty it continues. However, I am getting this error:
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Why is an array not assignable to Iterable?
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Arrays can implement interfaces (Cloneable and java.io.Serializable). So why not Iterable? I guess Iterable forces adding an iterator method, and arrays don't implement methods. char[] doesn't even override toString. Anyway, arrays of references should be considered l...
Code for a simple JavaScript countdown timer?
...imple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
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Textarea to resize based on content length [duplicate]
...box, it grows in length as needed to avoid having to deal with scroll bars and it need to shrink after delete text!
I didn’t want to go down the mootools or jquery route because I have a lightweight form.
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How to read a text file reversely with iterator in C#
I need to process a large file, around 400K lines and 200 M. But sometimes I have to process from bottom up. How can I use iterator (yield return) here? Basically I don't like to load everything in memory. I know it is more efficient to use iterator in .NET.
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