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A std::map that keep track of the order of insertion?
I currently have a std::map<std::string,int> that stores an integer value to an unique string identifier, and I do look up with the string. It does mostly what I want, except for that it does not keep track of the insertion order. So when I iterate the the map to print out the values, they a...
Find the most common element in a list
...same basic idea, just expressed more simply and compactly... but, alas, an extra O(N) auxiliary space (to embody the groups' iterables to lists) and O(N squared) time (to get the L.index of every item). While premature optimization is the root of all evil in programming, deliberately picking an O(N ...
What is in your .vimrc? [closed]
...function! RotateColorTheme()
let y = -1
while y == -1
let colorstring = "inkpot#ron#blue#elflord#evening#koehler#murphy#pablo#desert#torte#"
let x = match( colorstring, "#", g:themeindex )
let y = match( colorstring, "#", x + 1 )
let g:themeindex = x + 1
if y == -...
Add vertical whitespace using Twitter Bootstrap?
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Could you give an example of a valid class string?
– Kolob Canyon
Nov 19 '18 at 17:40
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Generating an MD5 checksum of a file
...turn hash_md5.hexdigest()
Note: hash_md5.hexdigest() will return the hex string representation for the digest, if you just need the packed bytes use return hash_md5.digest(), so you don't have to convert back.
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Comparing two strings, ignoring case in C# [duplicate]
...MHO the more efficient one, since the second 'solution' instantiates a new string instance.
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jQuery AJAX file upload PHP
...g? Is always evaluating to true, so is useless, isn't it? Also you have an extra end-curly.
– Mr.Web
Oct 24 '17 at 13:24
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MYSQL Truncated incorrect DOUBLE value
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Yes..i too had a similar experience while trying to use a string literal in 'where' clause without the using quotes.
– pranay
Feb 16 '19 at 18:02
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What is the maximum possible length of a .NET string?
What is the longest string that can be created in .NET? The docs for the String class are silent on this question as far as I can see, so an authoritative answer might require some knowledge of internals. Would the maximum change on a 64-bit system?
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(![]+[])[+[]]… Explain why this works
...ition, an empty Array, [], this is made just to convert the false value to String, because the string representation of an empty array is just an empty string, is equivalent to:
false+[]; // "false"
false+''; // "false"
The last part, the pair of square brackets after the parentheses, they are th...