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Does Git warn me if a shorthand commit ID can refer to 2 different commits?
...ed this one and the one
* that we previously discarded in the reverse order,
* we would end up showing different results in the
* same repository!
*/
ds->candidate_ok = (!ds->disambiguate_fn_used ||
ds->fn(ds->candidate, ds->cb_data));
...
Python None comparison: should I use “is” or ==?
...hat == will do depends on the exact type of the operands and even on their ordering.
This recommendation is supported by PEP 8, which explicitly states that "comparisons to singletons like None should always be done with is or is not, never the equality operators."
...
Set environment variables on Mac OS X Lion
...to set the PATH globally, the PATH is built by the system in the following order:
Parsing the contents of the file /private/etc/paths, one path per line
Parsing the contents of the folder /private/etc/paths.d. Each file in that folder can contain multiple paths, one path per line. Load order is de...
What's HTML character code 8203?
... "It must be inserted by some accident" - it's also known as a byte order mark.
– Jonathan Dickinson
Apr 29 '14 at 13:23
8
...
add created_at and updated_at fields to mongoose schemas
...ppropriate
fields updated and the rest of the fields copied over.Then in order to
query this document you would get the one with the newest timestamp or
the highest version which is not "deleted" (the deleted field is undefined or false`).
Data immutability ensures that your data is debug...
Unit testing Anti-patterns catalogue
... on something specific to the development environment it was written on in order to run. The result is the test passes on development boxes, but fails when someone attempts to run it elsewhere.
The Hidden Dependency
Closely related to the local hero, a unit test that requires some existing data to...
How do you reverse a string in place in JavaScript?
...two symbols: U+006E LATIN SMALL LETTER N and U+0303 COMBINING TILDE).
The order in which surrogate pairs appear cannot be reversed, else the astral symbol won’t show up anymore in the ‘reversed’ string. That’s why you saw those �� marks in the output for the previous example.
Combining...
How to navigate through textfields (Next / Done Buttons)
...ons:
All "tabbable" UITextFields are on the same parent view.
Their "tab-order" is defined by the tag property.
Assuming this you can override textFieldShouldReturn: as this:
-(BOOL)textFieldShouldReturn:(UITextField*)textField
{
NSInteger nextTag = textField.tag + 1;
// Try to find next re...
Is it possible to have SSL certificate for IP address, not domain name?
...e, but rarely used.
As for how to get it: I would tend to simply try and order one with the provider of your choice, and enter the IP address instead of a domain during the ordering process.
However, running a site on an IP address to avoid the DNS lookup sounds awfully like unnecessary micro-opt...
What is the difference between named and positional parameters in Dart?
...
Because named parameters are referenced by name, they can be used in an order different from their declaration.
getHttpUrl('example.com', '/index.html');
getHttpUrl('example.com', '/index.html', port: 8080);
getHttpUrl('example.com', '/index.html', port: 8080, numRetries: 5);
getHttpUrl('example...