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Algorithm to find Largest prime factor of a number
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Will Ness
56.8k77 gold badges8181 silver badges150150 bronze badges
answered Oct 28 '08 at 3:44
ArteliusArteliu...
Adding :default => true to boolean in existing Rails column
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315
change_column is a method of ActiveRecord::Migration, so you can't call it like that in the cons...
How to convert .pfx file to keystore with private key?
...type pkcs12
-destkeystore clientcert.jks -deststoretype JKS
Using JDK 1.5 or below
OpenSSL can do it all. This answer on JGuru is the best method that I've found so far.
Firstly make sure that you have OpenSSL installed. Many operating systems already have it installed as I found with Mac OS X....
How to get an object's property's value by property name?
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edited Feb 20 '15 at 5:17
answered Jan 18 '13 at 19:39
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How to pass a class type as a function parameter
..."Cannot convert the expression's type () to type ($T6) -> ($T6) -> $T5".
The cause of the latter error is that the compiler is not able to infer the types of what you wrote. In this case the problem is that T is only used in the parameter of the closure and the closure you passed doesn't indi...
Why isn't the size of an array parameter the same as within main?
... C.
– Prasoon Saurav
Dec 29 '09 at 15:32
13
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Using “this” with class name
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CristianCristian
188k5858 gold badges348348 silver badges260260 bronze badges
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Difference between del, remove and pop on lists
...moves the item at a specific index and returns it.
>>> a = [4, 3, 5]
>>> a.pop(1)
3
>>> a
[4, 5]
Their error modes are different too:
>>> a = [4, 5, 6]
>>> a.remove(7)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
V...
How to remove certain characters from a string in C++?
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string str("(555) 555-5555");
char chars[] = "()-";
for (unsigned int i = 0; i < strlen(chars); ++i)
{
// you need include <algorithm> to use general algorithms like std::remove()
str.erase (std::remove(str...
Modulo operation with negative numbers
...akes sense, logically. Right?
Let's see what this leads to:
Example A. 5/(-3) is -1
=> (-1) * (-3) + 5%(-3) = 5
This can only happen if 5%(-3) is 2.
Example B. (-5)/3 is -1
=> (-1) * 3 + (-5)%3 = -5
This can only happen if (-5)%3 is -2
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