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How do I declare a global variable in VBA?
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I tried all the other suggestions about "scope" and none worked. The only thing that worked was a new Module specifically for global vars and it works!
– Fandango68
Sep 27 '19 at 4:23
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Split string on the first white space occurrence
...tr.indexOf(' ')+1); // "tocirah sneab"
Note that if there is no space at all, then the first line will return an empty string and the second line will return the entire string. Be sure that is the behavior that you want in that situation (or that that situation will not arise).
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What is move semantics?
...de our intentions clear: "Dear constructor, do whatever you want with a in order to initialize c; I don't care about a anymore. Feel free to have your way with a."
std::move(some_lvalue) casts an lvalue to an rvalue, thus enabling a subsequent move.
Xvalues
Note that even though std::move(a) ...
Regex, every non-alphanumeric character except white space or colon
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[^a-zA-Z\d\s:]
\d - numeric class
\s - whitespace
a-zA-Z - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
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How to use the C socket API in C++ on z/OS
...r. You'll find quite often that a feature that you want to use is guarded by a "feature test macro"
You should ask your friendly system programmer to install the XL C/C++ Run-Time Library Reference: Man Pages
on your system. Then you can do things like "man connect" to pull up the man page for t...
Using do block vs braces {}
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Ruby cookbook says bracket syntax has higher precedence order than do..end
Keep in mind that the bracket syntax
has a higher precedence than the
do..end syntax. Consider the following
two snippets of code:
1.upto 3 do |x|
puts x
end
1.upto 3 { |x| puts x }
# SyntaxE...
Named placeholders in string formatting
...the file won't be loaded into memory.
– Edward Corrigall
Sep 20 '19 at 17:44
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The model backing the context has changed since the database was created
... for every site using the context rather than just the one site controlled by the Global.asax file.
– Corin
Mar 25 '13 at 17:03
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How to call erase with a reverse iterator
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Who guarantee you that iterators in a list are ordered ?
– Gaetano Mendola
Nov 16 '18 at 15:42
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How to save an image to localStorage and display it on the next page?
So, basically, I need to upload a single image, save it to localStorage, then display it on the next page.
7 Answers
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