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Shallow copy of a Map in Java
...ot a HashMap), you should use Map#putAll():
Copies all of the mappings from the specified map to this map
(optional operation). The effect of this call is equivalent to that of
calling put(k, v) on this map once for each mapping from key k to
value v in the specified map.
Example:
// Ha...
difference between offsetHeight and clientHeight
...
The answer from Oded is the theory. But the theory and the reality are not always the same, at least not for the <BODY> or the <HTML> elements which may be important for scrolling operations in javascript.
Microsoft has a n...
How to output in CLI during execution of PHP Unit tests?
...imes it's helpful to be naughty and see one-off/temporary debugging output from within your test cases. There is no need for the var_dump hack/workaround, though. This can easily be accomplished by setting the --verbose command line option when running your test suite. For example:
$ phpunit --verb...
Difference between two dates in Python
...get the difference between two datetime objects and take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
...
How do you test that a Python function throws an exception?
...
Use TestCase.assertRaises (or TestCase.failUnlessRaises) from the unittest module, for example:
import mymod
class MyTestCase(unittest.TestCase):
def test1(self):
self.assertRaises(SomeCoolException, mymod.myfunc)
...
Print the contents of a DIV
... printing unlike those mentioned above where I still need to put css links from header etc. Thanks!
– Jorz
Apr 19 '18 at 9:22
...
Configure WAMP server to send email
...
Configuring a working email client from localhost is quite a chore, I have spent hours of frustration attempting it. I'm sure someone more experienced may be able to help, or they may perhaps agree with me.
If you just want to test, here is a great tool for t...
Set “this” variable easily?
...otype object so every function can use them (since every function inherits from this prototype via prototypal inheritance). These functions are the following:
Function.prototype.call(): This function takes the object which you want to use as this as a first argument. Then the remainder of the argu...
Mathematical functions in Swift
...he whole Cocoa framework.
import Darwin
Of course, if you need elements from Cocoa or Foundation or other higher level frameworks, you can import them instead
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Literal suffix for byte in .NET?
...
So, we added binary literals in VB last fall and got similar feedback
from early testers. We did decide to add a suffix for byte for VB. We
settled on SB (for signed byte) and UB (for unsigned byte). The reason
it's not just B and SB is two-fold.
One, the B suffix is ambiguous if you'...