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How do I find out if first character of a string is a number?
In Java is there a way to find out if first character of a string is a number?
5 Answers
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Why is DarkGray lighter than Gray?
Simple curiosity here, tinged with som>me m> practical concerns because I get caught out by this occasionally.
3 Answers
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How to include external Python code to use in other files?
If you have a collection of m>me m>thods in a file, is there a way to include those files in another file, but call them without any prefix (i.e. file prefix)?
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How to limit UITableView row reordering to a section
I was hitting my head over this one, and google was turning up nothing.
I eventually worked it out and thought I'd write it up here for the sake of the next person.
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Disabling browser print options (headers, footers, margins) from page?
...tes, but most of them are either too specific or out-of-date. I'm hoping som>me m>one can provide a definitive answer here without pandering to speculation.
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How do JavaScript closures work?
How would you explain JavaScript closures to som>me m>one with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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Rails: Check output of path helper from console
Rails defines a bunch of magic with nam>me m>d routes that make helpers for your routes. Som>me m>tim>me m>s, especially with nested routes, it can get a little confusing to keep track of what URL you'll get for a given route helper m>me m>thod call. Is it possible to, using the Ruby console, see what link a given help...
How to write a JSON file in C#?
I need to write the following data into a text file using JSON format in C#. The brackets are important for it to be valid JSON format.
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CSS image resize percentage of itself?
I am trying to resize an img with a percentage of itself. For example, I just want to shrink the image by half by resizing it to 50%. But applying width: 50%; will resize the image to be 50% of the container elem>me m>nt (the parent elem>me m>nt which maybe the <body> for example).
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Runtim>me m>Error on windows trying python multiprocessing
I am trying my very first formal python program using Threading and Multiprocessing on a windows machine. I am unable to launch the processes though, with python giving the following m>me m>ssage. The thing is, I am not launching my threads in the main module. The threads are handled in a separate modu...