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Chmod recursively
...have an archive, which is archived by someone else, and I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created).
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Custom views with Storyboard
...complex screens (View Controllers) I used to separate the whole thing in smaller pieces (I call them widgets). These widgets consist basically of a MyWidget.h and a MyWidget.m file as well as a MyWidget.xib file, where the root element is a UIView and the MyWidget class is the File Owner of ...
Make header and footer files to be included in multiple html pages
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Yes. all page should have these page structure
– Hariprasad Prolanx
Sep 10 '13 at 7:25
19
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How do I create a list of random numbers without duplicates?
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With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list in memory. For example:
all_lines = f1.readlines()
for i in range(50):
lines = random.sample(all_lines, 40)
This way, you only need to a...
Where to place private methods in Ruby?
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The best practice in my point of view is to go sequentially and declare your methods without keeping private in point of view.
At the end, you can make make any method private by just adding: private :xmethod
Example:
class Example
def xmethod
end
def ymethod
end
def zm...
Java: how do I get a class literal from a generic type?
Typically, I've seen people use the class literal like this:
8 Answers
8
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Concatenate text files with Windows command line, dropping leading lines
...is via the command line. Unfortunately I only have Windows, and cannot install new software.
12 Answers
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What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...many files and directories, EnumerateFiles can be more efficient.
So basically, EnumerateFiles returns an IEnumerable which can be lazily evaluated somewhat, whereas GetFiles returns a string[] which has to be fully populated before it can return.
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Assembly code vs Machine code vs Object code?
...e to machine code with the use of an assembler or a compiler, though we usually think of compilers in association with high-level programming language that are abstracted further from the CPU instructions.
Building a complete program involves writing source code for the program in either assembly or...