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How to format a number 0..9 to display with 2 digits (it's NOT a date)
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What if myNumber is a double?
– Fra
Jan 12 '17 at 2:37
3
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Write string to output stream
...can be writing to memory or any other output destination; therefore, I specified OutputStream as (an) argument in the method.
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Iterating Through a Dictionary in Swift
...confused on the answer that Xcode is giving me to this experiment in the Swift Programming Language Guide:
7 Answers
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...t of Annex B says:
... All of the language features and behaviours specified in this annex have one or more undesirable characteristics and in the absence of legacy usage would be removed from this specification. ...
... Programmers should not use or assume the existence of these features and ...
Sublime text 2 - find and replace globally ( all files and in all directories )
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Yes, there is Multiple Files search and replace.
Press ctrlshiftF (cmdshiftF on MacOS):
In the Where field you can also add filters to search only folders and files that you need. If nothing is set, the search is made on all files listed in the sidebar.
If you double click on a lin...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
... requires a parameter before the varargs list, so the prototype f(...) specifically allowed by C++ is useless. Cross-referencing with C99, it is illegal in plain C. So, this is most bizarre.
Usage note
By request, here is a demonstration of the double ellipsis:
#include <cstdio>
#include &l...
How are multi-dimensional arrays formatted in memory?
.... You do have to be careful with static 2D arrays like you mention, since if you try to pass one to a function taking an int ** parameter, bad things are going to happen. Here's a quick example:
int array1[3][2] = {{0, 1}, {2, 3}, {4, 5}};
In memory looks like this:
0 1 2 3 4 5
exactly the s...
JavaScript listener, “keypress” doesn't detect backspace?
... KeyDown event is raised for all including nonprintable such as Control, Shift, Alt, BackSpace, etc.
UPDATE:
The keypress event is fired when a key is pressed down and that key normally produces a character value
Reference.
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Update a submodule to the latest commit
...er
Go back to the root directory & check update:
cd ..
git status
If the submodule updated before, it will show something like below:
# Not currently on any branch.
# Changed but not updated:
# (use "git add ..." to update what will be committed)
# (use "git checkout -- ..." to disca...
Count character occurrences in a string in C++
.... For some reason std::count returns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t.
– Daniel Stevens
Apr 15 at 7:48
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