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How to write a multidimensional array to a text file?
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# New sli...
How can I check if character in a string is a letter? (Python)
...
You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
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improve thi...
Effect of a Bitwise Operator on a Boolean in Java
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123
The operators &, ^, and | are bitwise operators when the operands are primitive integral t...
Iterate over the lines of a string
...ingIO. See docs.python.org/3/library/io.html
– Attila123
Dec 13 '18 at 11:09
1
Using StringIO is ...
How do I create a constant in Python?
...he value. I do the same in Python. Example: def MY_CONST_VALUE(): return 123
– kevinarpe
Dec 17 '12 at 5:39
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C# vs Java Enum (for those new to C#)
...t threw it in to show usage
double earthWeight = double.Parse("123");
double earthMass = earthWeight / pEarth.SurfaceGravity();
foreach (Planet p in Planet.Values)
Console.WriteLine($"Your weight on {p} is {p.SurfaceWeight(mass)}");
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select * vs select column
If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory?
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Understanding the map function
...s, but the map returns a map object - for example I get this: <map at 0x123a49978> Which I then must coerce into a list.
– leerssej
Dec 3 '19 at 6:18
add a comment
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How does a garbage collector avoid an infinite loop here?
...minated and the process will terminate. These are old values though so Microsoft might have tweaked the actual numbers or even the whole algorithm by now. Se blog.stephencleary.com/2009/08/finalizers-at-process-exit.html
– Lasse V. Karlsen
Jul 9 '14 at 19:52
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Why use bzero over memset?
...6 (2.19-0ubuntu6.6), the calls made are exactly the same (via ltrace ./test123):
long m[] = {0}; // generates a call to memset(0x7fffefa28238, '\0', 8)
int* p;
bzero(&p, 4); // generates a call to memset(0x7fffefa28230, '\0', 4)
I've been told that unless I am working in the deep bowels of ...