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Check if a string contains one of 10 characters
...C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
6 Answers
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What is the best way to do a substring in a batch file?
...s is zero based, so the first character is at position 0, the second at 1, etc.
To get substrings of argument variables such as %0, %1, etc. you have to assign them to a normal environment variable using set first:
:: Does not work:
@echo %1:~10,5
:: Assign argument to local variable first:
set v...
Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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Most efficient way to store thousand telephone numbers
...ups of 17 bits are the last five digits of each number stored in ascending order.
In total we're looking at 2128 bytes for the 1000 numbers, or 17.017 bits per 10-digit telephone number.
Search is O(log n) (binary search) and full enumeration is O(n).
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Specifying and saving a figure with exact size in pixels
...the same pixel dimensions as the im array.
Note: the OP specified no axes, etc. which is what this solution does exactly. If one wants to add axes, ticks, etc. my preferred approach is to do that on a separate plot, saving with transparent=True (PNG or PDF) then overlay the latter on the image. This...
Modelling an elevator using Object-Oriented Analysis and Design [closed]
...t from
elevator to elevator). Obviously also call buttons on every floor, etc.
Representations of the arrows or indicators on each floor (almost a "view" of the elevator model).
Representation of a human and cargo (may be important for factoring in maximal loads)
Representation of the building (in...
Is gcc std::unordered_map implementation slow? If so - why?
...gure out, how much slower our concurrent hash map is compared with std::unordered_map .
3 Answers
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
... at combating baldness, snow removal, heat pump repair, making a soufflé, etc.
:-)
Are there any obvious performance impacts to be considered when using any one of them?
Interfaces, by definition, do not have "performance impacts" -- they are merely a description of an API.
I am not aware t...
How to determine an interface{} value's “real” type?
...se int', 'v' will be an integer. in 'case float64', 'v' will be a float64, etc.
– jimt
Jun 16 '11 at 16:48
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UTF-8 all the way through
...ument. However, if you're targeting older versions of HTML (XHTML, HTML4, etc.), these points may still be useful:
For HTML before HTML5 only: you want all data sent to you by browsers to be in UTF-8. Unfortunately, if you go by the only way to reliably do this is add the accept-charset attribute...