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Python's equivalent of && (logical-and) in an if-statement
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Python uses and and or conditionals.
i.e.
if foo == 'abc' and bar == 'bac' or zoo == '123':
# do something
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How to change the foreign key referential action? (behavior)
...ONSTRAINT_NAME
WHERE DELETE_RULE = 'NO ACTION'
AND rc.CONSTRAINT_SCHEMA = 'foo'
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What is the list of valid @SuppressWarnings warning names in Java?
...ompiler is wrong (i.e. a "'Stupid Flanders' warning"). Try compiling: void foo( Object o ) { boolean b; if ( ( b = o == null ) ) o = new Object(); o.toString(); }. Some environments (e.g. NetBeans 7.3 w/ Java 6 JDK [1.6.0_41]) will generate "o possibly null" at the o.toString() call even though o ca...
How to merge 2 JSON objects from 2 files using jq?
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Use jq -s add:
$ echo '{"a":"foo","b":"bar"} {"c":"baz","a":0}' | jq -s add
{
"a": 0,
"b": "bar",
"c": "baz"
}
This reads all JSON texts from stdin into an array (jq -s does that) then it "reduces" them.
(add is defined as def add: reduce .[] as...
How do you run your own code alongside Tkinter's event loop?
...root=Tkinter.Tk()
self.s = Tkinter.StringVar()
self.s.set('Foo')
l = Tkinter.Label(self.root,textvariable=self.s)
l.pack()
threading.Thread.__init__(self)
def run(self):
self.root.mainloop()
app = MyTkApp()
app.start()
# Now the app should be r...
Is there any haskell function to concatenate list with separator?
...tercalate "," ["some", "", "string"] = "some,,string" and intercalate "" ["foo", "bar"] = "foobar"
– Niklas B.
Jun 23 '15 at 11:51
3
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How to replace plain URLs with links?
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It doesn't work with + in email usernames, such as foo+bar@domain.com. I fixed it with email pattern /[\w.+]+@[a-zA-Z_-]+?(?:\.[a-zA-Z]{2,6})+/gim (note the + in the first brackets), but I don't know if that breaks something else.
– weltschmerz
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Checking if an instance's class implements an interface?
...onstruct() is:
public function __construct() {
$tmp = array(
'foo' => 'bar',
'this' => 'that'
);
$in = in_array('those', $tmp);
}
These tests are based on this simple code.
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Set “this” variable easily?
...the object parameter to this.
var myFunction = function(){
alert(this.foo_variable);
}
myFunction.call( document.body );
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What does the line “#!/bin/sh” mean in a UNIX shell script?
... answered Sep 10 '11 at 15:59
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