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How to make connection to Postgres via Node.js
... single user name from id:
db.one('SELECT name FROM users WHERE id = $1', [123])
.then(user => {
console.log(user.name); // print user name;
})
.catch(error => {
console.log(error); // print the error;
});
// alternative - new ES7 syntax with 'await':
// await ...
How are echo and print different in PHP? [duplicate]
...and a ", 1, 2, 3; // comma-separated without parentheses
echo ("and a 123"); // just one parameter with parentheses
print() can only take one parameter:
print ("and a 123");
print "and a 123";
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Sequelize.js delete query?
...'s a destroy() method you can call on a record, for example:
Project.find(123).on('success', function(project) {
project.destroy().on('success', function(u) {
if (u && u.deletedAt) {
// successfully deleted the project
}
})
})
...
Differences between unique_ptr and shared_ptr [duplicate]
...ou pass it by value if you cannot copy it?
– splinter123
Jun 3 '16 at 22:00
11
@splinter123: By m...
FormData.append(“key”, “value”) is not working
...
RudieRudie
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How do I create a URL shortener?
...on f. This is necessary so that you can find a inverse function g('abc') = 123 for your f(123) = 'abc' function. This means:
There must be no x1, x2 (with x1 ≠ x2) that will make f(x1) = f(x2),
and for every y you must be able to find an x so that f(x) = y.
How to convert the ID to a shortened...
How to open a web page from my application?
...ered Apr 23 '13 at 12:19
mr.baby123mr.baby123
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...
Django set default form values
... value when calling form constructor:
form = JournalForm(initial={'tank': 123})
or set the value in the form definition:
tank = forms.IntegerField(widget=forms.HiddenInput(), initial=123)
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Why are mutable structs “evil”?
...ay[500] of type Rectangle, it's clear and obvious how to e.g. copy element 123 to element 456 and then some time later set the width of element 123 to 555, without disturbing element 456. "RectArray[432] = RectArray[321]; ...; RectArray[123].Width = 555;". Knowing that Rectangle is a struct with a...
Convert Long into Integer
...
Here are three ways to do it:
Long l = 123L;
Integer correctButComplicated = Integer.valueOf(l.intValue());
Integer withBoxing = l.intValue();
Integer terrible = (int) (long) l;
All three versions generate almost identical byte code:
0 ldc2_w <Long 123>...