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Define global variable in a JavaScript function
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760
Yes, as the others have said, you can use var at global scope (outside of all functions) to decl...
How to get key names from JSON using jq
curl http://testhost.test.com:8080/application/app/version | jq '.version' | jq '.[]'
7 Answers
...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
...);
CREATE TABLE
=> insert into test(x) values ('14'), (' 42 ');
INSERT 0 2
=> ALTER TABLE test ALTER COLUMN x TYPE integer;
ERROR: column "x" cannot be cast automatically to type integer
HINT: Specify a USING expression to perform the conversion.
=> ALTER TABLE test ALTER COLUMN x TYPE ...
What are the underlying data structures used for Redis?
...formation.
– Homer6
Mar 8 '12 at 23:02
58
Thanks, but I'm not the sole big contributor, Pieter No...
Pipe subprocess standard output to a variable [duplicate]
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answered Dec 22 '10 at 23:49
moinudinmoinudin
111k4141 gold badges182182 silver badges212212 bronze badges
...
How to Generate unique file names in C#
...doesn't matter, use GUIDs.
E.g.:
var myUniqueFileName = string.Format(@"{0}.txt", Guid.NewGuid());
or shorter:
var myUniqueFileName = $@"{Guid.NewGuid()}.txt";
In my programs, I sometimes try e.g. 10 times to generate a readable name ("Image1.png"…"Image10.png") and if that fails (because t...
What is the purpose of Order By 1 in SQL select statement?
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210
This:
ORDER BY 1
...is known as an "Ordinal" - the number stands for the column based on the ...
Rounded table corners CSS only
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90
Seems to work fine in FF and Chrome (haven't tested any others) with separate borders: http://js...
Iterator Loop vs index loop [duplicate]
...terate over a std::vector:
1) index-based iteration
for (std::size_t i = 0; i != v.size(); ++i) {
// access element as v[i]
// any code including continue, break, return
}
Advantages: familiar to anyone familiar with C-style code, can loop using different strides (e.g. i += 2).
Disadva...