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Android SQLite: nullColumnHack parameter in insert/replace methods
...
Let's suppose you have a table named foo where all columns either allow NULL values or have defaults.
In some SQL implementations, this would be valid SQL:
INSERT INTO foo;
That's not valid in SQLite. You have to have at least one column specified:
INSERT I...
How to get POSTed JSON in Flask?
...int could be response = request.post('http://127.0.0.1:5000/hello', json={"foo": "bar"}). Following this running response.json() should return {'foo': 'bar'}
– ScottMcC
Jun 11 '17 at 8:54
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Swift - class method which must be overridden by subclass
...:
class MyVirtual {
// 'Implementation' provided by subclass
let fooImpl: (() -> String)
// Delegates to 'implementation' provided by subclass
func foo() -> String {
return fooImpl()
}
init(fooImpl: (() -> String)) {
self.fooImpl = fooImpl
}
}...
Running Windows batch file commands asynchronously
...
Combining a couple of the previous answers, you could try start /b cmd /c foo.exe.
For a trivial example, if you wanted to print out the versions of java/groovy/grails/gradle, you could do this in a batch file:
@start /b cmd /c java -version
@start /b cmd /c gradle -version
@start /b cmd /c gro...
Revert changes to a file in a commit
...ing it. Here's an example showing how to easily revert just the changes to foo.c in the second most recent commit:
$ git revert --no-commit HEAD~1
$ git reset HEAD
$ git add foo.c
$ git commit -m "Reverting recent change to foo.c"
$ git reset --hard HEAD
The first git-reset "unstages" all files, ...
How to make ng-repeat filter out duplicate results
... MainController ($scope) {
$scope.orders = [
{ id:1, customer: { name: 'foo', id: 10 } },
{ id:2, customer: { name: 'bar', id: 20 } },
{ id:3, customer: { name: 'foo', id: 10 } },
{ id:4, customer: { name: 'bar', id: 20 } },
{ id:5, customer: { name: 'baz', id: 30 } },
];
}
HTML: We fi...
How do you use script variables in psql?
...ingle quotes in the SQL statement.
Thus this doesn't work:
SELECT * FROM foo WHERE bar = ':myvariable'
To expand to a string literal in a SQL statement, you have to include the quotes in the variable set. However, the variable value already has to be enclosed in quotes, which means that you need ...
Accessing private member variables from prototype-defined functions
...ss();
console.log("b:", b.getPrivate()); // "b: Default"
a.setPrivate("foo"); // a Sets private to "foo"
console.log("a:", a.getPrivate()); // "a: foo"
console.log("b:", b.getPrivate()); // oh no, b.getPrivate() is "foo"!
console.log(a.hasOwnProperty("getPrivate")); // false. belongs to the...
What is the most “pythonic” way to iterate over a list in chunks?
...of ints
# isn't a multiple of four:
for x1,x2,x3,x4 in chunks(ints,4):
foo += x1 + x2 + x3 + x4
for chunk in chunks(ints,4):
foo += sum(chunk)
Another way:
import itertools
def chunks2(iterable,size,filler=None):
it = itertools.chain(iterable,itertools.repeat(filler,size-1))
chun...
How can you list the matches of Vim's search?
...
Just learned a new one: the Location List!
Type :lvim foo % to search for foo in the current file and enter all matches containing foo into the location list.
Type :lopen to open the location list in the quickfix window, which is fully navigable as usual.
Use :lnext/:lprevious t...