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Generating an MD5 checksum of a file
...fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
with open(fname, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_md5....
Overloading Macro on Number of Arguments
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270
Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FO...
How do I properly compare strings in C?
...ngs using != or ==, you need to use strcmp:
while (strcmp(check,input) != 0)
The reason for this is because != and == will only compare the base addresses of those strings. Not the contents of the strings themselves.
shar...
How to find the sum of an array of numbers
... how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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'float' vs. 'double' precision
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edited Dec 30 '14 at 20:59
answered Feb 23 '11 at 23:24
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How to set enum to null
...e for enums that cannot be null by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color myColor = Color.None;
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improve this ans...
How do I auto-hide placeholder text upon focus using css or jquery?
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edited Aug 17 '17 at 8:10
C.d.
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answered Mar 14...
How to only get file name with Linux 'find'?
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10 Answers
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How can I pad an integer with zeros on the left?
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Use java.lang.String.format(String,Object...) like this:
String.format("%05d", yournumber);
for zero-padding with a length of 5. For hexadecimal output replace the d with an x as in "%05x".
The full formatting options are documented as part of java.util.Formatter.
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Cosine Similarity between 2 Number Lists
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180
You should try SciPy. It has a bunch of useful scientific routines for example, "routines for co...