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unique object identifier in javascript
...and my understanding. In response to some conversation in the comments, a more modern approach to this is as follows:
(function() {
if ( typeof Object.id == "undefined" ) {
var id = 0;
Object.id = function(o) {
if ( typeof o.__uniqueid == "undefined" ) {
...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
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You deserve more than a +1 but +1 is all I have to give
– David
Dec 5 '13 at 14:59
8
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How to get all subsets of a set? (powerset)
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Here is more code for a powerset. This is written from scratch:
>>> def powerset(s):
... x = len(s)
... for i in range(1 << x):
... print [s[j] for j in range(x) if (i & (1 << j))]
...
>&g...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
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How to print a int64_t type in C
... I think with some extra effort they could have made it even more obnoxious
– Pavel P
Oct 27 '17 at 23:35
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Bytes of a string in Java
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@KorayTugay Yes, more or less. You could argue about the order of cause and effect, though. I'd be more inclined to state that a char is always 2 bytes because it is a primitive data type defined to be 2 bytes wide. (And that the UTF-16 re...
Python exit commands - why so many and when should each be used?
...mation on them:
quit() simply raises the SystemExit exception.
Furthermore, if you print it, it will give a message:
>>> print (quit)
Use quit() or Ctrl-Z plus Return to exit
>>>
This functionality was included to help people who do not know Python. After all, one of the m...
Common MySQL fields and their appropriate data types
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How to size an Android view based on its parent's dimensions
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Is there a “standard” format for command line/shell help text?
...ere is a man page, indicate as such, otherwise, a brief indicator of where more detailed help can be found
Note further that it's good form to accept both -h and --help to trigger this message and that you should show this message if the user messes up the command-line syntax, e.g. omits a require...