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Is there an SQLite equivalent to MySQL's DESCRIBE [table]?
... For that, you can query the sqlite_master table:
sqlite> CREATE TABLE foo (bar INT, quux TEXT);
sqlite> SELECT * FROM sqlite_master;
table|foo|foo|2|CREATE TABLE foo (bar INT, quux TEXT)
sqlite> SELECT sql FROM sqlite_master WHERE name = 'foo';
CREATE TABLE foo (bar INT, quux TEXT)
...
Git Symlinks in Windows
... same way you would normally use ln.
E.g., the repository tree:
dir/
dir/foo/
dir/foo/bar/
dir/foo/bar/baz (file containing "I am baz")
dir/foo/bar/lnk_file (symlink to ../../../file)
file (file containing "I am file")
lnk_bar (symlink to dir/foo/bar/)
Can be cr...
What can I use instead of the arrow operator, `->`?
...
I mostly read it right-to-left and call "in"
foo->bar->baz = qux->croak
becomes:
"baz in bar in foo becomes croak in qux."
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What does default(object); do in C#?
...
If I create class Foo with property int n. Can I "overload" default to make it set n to say 5 instead of 0?
– Pratik Deoghare
Mar 12 '10 at 13:31
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How to select html nodes by ID with jquery when the id contains a dot?
...
Short Answer: If you have an element with id="foo.bar", you can use the selector $("#foo\\.bar")
Longer Answer: This is part of the jquery documentation - section selectors which you can find here:
http://api.jquery.com/category/selectors/
Your question is answered rig...
instantiate a class from a variable in PHP?
...eck them out here (call_user_func_array , call_user_func).
example
class Foo {
static public function test() {
print "Hello world!\n";
}
}
call_user_func('Foo::test');//FOO is the class, test is the method both separated by ::
//or
call_user_func(array('Foo', 'test'));//alternatively you c...
Checkbox for nullable boolean
...
I got it to work with
@Html.EditorFor(model => model.Foo)
and then making a Boolean.cshtml in my EditorTemplates folder and sticking
@model bool?
@Html.CheckBox("", Model.GetValueOrDefault())
inside.
...
Why rename synthesized properties in iOS with leading underscores? [duplicate]
...red that instance variables had to be instantiated explicitly:
@interface Foo : Bar {
Baz *_qux;
}
@property (retain) Baz *qux;
@end
@implementation Foo
@synthesize qux = _qux;
- (void)dealloc {
[_qux release];
[super dealloc];
}
@end
People would prefix their instance variables to diff...
Unique fields that allow nulls in Django
I have model Foo which has field bar. The bar field should be unique, but allow nulls in it, meaning I want to allow more than one record if bar field is null , but if it is not null the values must be unique.
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Default value to a parameter while passing by reference in C++
...efault any argument you wish:
class A {};
class B {};
class C {};
void foo (A const &, B const &, C const &);
void foo (B const &, C const &); // A defaulted
void foo (A const &, C const &); // B defaulted
void foo (C const &); // A & B defaulted etc...
It i...