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Random hash in Python
...question:
import random, string
def random_md5like_hash():
available_chars= string.hexdigits[:16]
return ''.join(
random.choice(available_chars)
for dummy in xrange(32))
I'm not saying it's faster or preferable to any other answer; just that it's another approach :)
...
How do I write a short literal in C++?
...
@Ates Goral: All ints. Changing to short or char would presumably change the instruction to movw or movb across the board.
– Mike F
Oct 16 '08 at 18:11
...
Which one will execute faster, if (flag==0) or if (0==flag)?
...is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already.
If flag is a built-in, then both should take the same speed.
From the Wikipedia arti...
How to check whether a file is empty or not?
... my_file.seek(0) #ensure you're at the start of the file..
... first_char = my_file.read(1) #get the first character
... if not first_char:
... print "file is empty" #first character is the empty string..
... else:
... my_file.seek(0) #first character wasn't empty, retu...
How to read a file in reverse order?
... while position >= 0:
qfile.seek(position)
next_char = qfile.read(1)
if next_char == "\n":
yield line[::-1]
line = ''
else:
line += next_char
position -= 1
yield line[::-1]
if __n...
How to convert a Title to a URL slug in jQuery?
...i=0, l=from.length ; i<l ; i++) {
str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
}
str = str.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
.replace(/\s+/g, '-') // collapse whitespace and replace by -
.replace(/-+/g, '-'); // collapse dashes
return str...
Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
33
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How to convert SecureString to System.String?
...e(value);
for (int i=0; i < value.Length; i++) {
short unicodeChar = Marshal.ReadInt16(valuePtr, i*2);
// handle unicodeChar
}
} finally {
Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
}
}
sha...
View array in Visual Studio debugger? [duplicate]
...lso use a cast in the debug view. If pArray is of type void* you can type (char*) pArray, 10 which will display the content of the array interpreted as char.
– VoidStar
Aug 15 '13 at 9:26
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Android EditText Max Length [duplicate]
...in why this would work versus using an app constant? Seems like having the char limit as a value in xml shouldn't change how the text buffer works.
– Elliott
Jan 13 '14 at 19:48
...