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How to run a python script from IDLE interactive shell?
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Python3:
exec(open('helloworld.py').read())
If your file not in the same dir:
exec(open('./app/filename.py').read())
See https://stackoverflow.com/a/437857/739577 for passing global/local variables.
In deprecated Python versions
Python2
Built-in functi...
C++ Const Usage Explanation
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Read this: https://isocpp.org/wiki/faq/const-correctness
The final const means that the function Method3 does not modify the non mutable members of its class.
const int* const means a constant pointer to a constant int: i.e...
How to get IP address of the device from code?
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This is my helper util to read IP and MAC addresses. Implementation is pure-java, but I have a comment block in getMACAddress() which could read the value from the special Linux(Android) file. I've run this code only on few devices and Emulator but le...
How do I read any request header in PHP
How should I read any header in PHP?
15 Answers
15
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How to create a file in Ruby
... {|f| f.write("write your stuff here") }
where your options are:
r - Read only. The file must exist.
w - Create an empty file for writing.
a - Append to a file.The file is created if it does not exist.
r+ - Open a file for update both reading and writing. The file must exist.
w+ - Crea...
Effective way to find any file's Encoding
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The StreamReader.CurrentEncoding property rarely returns the correct text file encoding for me. I've had greater success determining a file's endianness, by analyzing its byte order mark (BOM). If the file does not have a BOM, this can...
Using printf with a non-null terminated string
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Very bad performance due to lots of unnecessary byte reads (which come with a performance penalty if the the byte is not on a word-aligned address on most CPUs) and also the formatting parsing and applying is done for each and every character. Don't do that :-) See my answer fo...
const char * const versus const char *?
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@R..: Well, at least for me it's not. Reading from right to left, I get "pointer to const char". For me, it just feels better that way.
– Xeo
Feb 9 '11 at 20:49
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What's an easy way to read random line from a file in Unix command line?
What's an easy way to read random line from a file in Unix command line?
13 Answers
13...
What does “DAMP not DRY” mean when talking about unit tests?
...ltimate goal here.
DAMP (Descriptive And Meaningful Phrases) promotes the readability of the code.
To maintain code, you first need to understand the code. To understand it, you have to read it. Consider for a moment how much time you spend reading code. It's a lot.
DAMP increases maintainability...