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What is string_view?
...which only a non-mutating view is required. The string_view in question is one such proposal; there were earlier ones called string_ref and array_ref, too.
The idea is always to store a pair of pointer-to-first-element and size of some existing data array or string.
Such a view-handle class could ...
Test whether a glob has any matches in bash
...et pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effects.
UPDATE: Example usage requested.
if compgen -G "/tmp/someFil...
Why should the Gradle Wrapper be committed to VCS?
... even knowing how it works, where to download it from, which version, to clone the project from the VCS, to execute the gradlew script it contains, and to build the project without any additional step.
If all you had was a gradle version number in a build.gradle file, you would need a README explai...
Trouble comparing time with RSpec
... This is an "OK" solution, but definitely the be_within is the right one
– Francesco Belladonna
Nov 6 '15 at 4:20
...
Bulk insert with SQLAlchemy ORM
...d s.commit() to actually save the records (it took me a bit to figure this one out).
– horcle_buzz
Dec 4 '15 at 1:30
3
...
Is it correct to use DIV inside FORM?
...w3.org/check
document type does not allow element "INPUT" here; missing one of "P", "H1", "H2", "H3", "H4", "H5", "H6", "PRE", "DIV", "ADDRESS" start-tag
<input type="text" />
The mentioned element is not allowed to appear in the context in which you've placed it; the other mentioned elem...
Which iomanip manipulators are 'sticky'?
...king a basic_ostream and a built in numeric type.
22.2.6.2.2 [lib.locale.money.put.virtuals]: All do_put overloads for the money_put template.
27.6.2.5.4 [lib.ostream.inserters.character]: Overloads of operator<< taking a basic_ostream and one of the char type of the basic_ostream instantiat...
How can I access Google Sheet spreadsheets only with Javascript?
...ormation about the official Google Docs API and how to use the spreadsheet one. Worth a look.
– Ape-inago
Apr 13 '14 at 4:05
...
HTML5 Canvas 100% Width Height of Viewport?
...
plus one for no jQuery
– Félix Gagnon-Grenier
Oct 6 '16 at 19:00
|
sh...
How do I get SUM function in MySQL to return '0' if no values are found?
.../www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
val INT
);
INSERT INTO foo (val) VALUES
(nul...