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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....
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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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 to only get file name with Linux 'find'?
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10 Answers
10
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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 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...
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...
'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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