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Objective-C formatting string for boolean?
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One way to do it is to convert to strings (since there are only two possibilities, it isn't hard):
NSLog(@" %s", BOOL_VAL ? "true" : "false");
I don't think there is a format specifier for boolean values.
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Python: how to print range a-z?
1. Print a-n: a b c d e f g h i j k l m n
17 Answers
17
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How can I create Min stl priority_queue?
The default stl priority queue is a Max one (Top function returns the largest element).
8 Answers
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How can I make my match non greedy in vim?
I have a big HTML file that has lots of markup that looks like this:
8 Answers
8
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How to find out the MySQL root password
I cannot figure out my MySQL root password; how can I find this out? Is there any file where this password is stored?
17 A...
What is the equivalent of MATLAB's repmat in NumPy
...would like to execute the equivalent of the following MATLAB code using NumPy: repmat([1; 1], [1 1 1]) . How would I accomplish this?
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
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If you are using ubuntu, you have to use the following steps to avoid this error(if there is no replication enabled):
run the command vim /etc/mysql/my.cnf
comment bind-address = 127.0.0.1 using the # symbol
restart your mysql server once.
Update
In Step 1, if you cannot find b...
How can I exclude one word with grep?
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You can do it using -v (for --invert-match) option of grep as:
grep -v "unwanted_word" file | grep XXXXXXXX
grep -v "unwanted_word" file will filter the lines that have the unwanted_word and grep XXXXXXXX will list only lines with pattern XXXXXXXX.
EDIT:
From your ...
Write a function that returns the longest palindrome in a given string
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You can find the the longest palindrome using Manacher's Algorithm in O(n) time! Its implementation can be found here and here.
For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 123456788765...
C++, variable declaration in 'if' expression
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As of C++17 what you were trying to do is finally possible:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
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