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Why does typeof array with objects return “object” and not “array”? [duplicate]
...index properties that may be inherited from its prototypes.
And here's a table for typeof
To add some background, there are two data types in JavaScript:
Primitive Data types - This includes null, undefined, string, boolean, number and object.
Derived data types/Special Objects - These incl...
jQuery: Test if checkbox is NOT checked
...input[id*="chkPrint"]:not(:checked)').length > 0)
In my case, I had a table with a class user-forms, and I was checking if any of the checkboxes that had the string checkPrint in their id were unchecked.
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MySQL Database won't start in XAMPP Manager-osx
...l.err, if you find something like: "Attempted to open a previously opened tablespace. Previous tablespace ... uses space ID"
the following works for me:
edit file:
/Applications/XAMPP/xamppfiles/etc/my.cnf
find the [mysqld] section, add one line:
innodb_force_recovery = 1
then run
sudo /Appl...
Get protocol, domain, and port from URL
... properly implemented across all browsers, according to this compatibility table on MDN. However it does seem that the origin property is slightly better supported than in 2013, it's still not fit for production as it's not implemented properly in Safari. Sorry guys :(
– totall...
Iterate over a Javascript associative array in sorted order
...ote: this does not work in very old browsers not supporting EcmaScript5, notably IE6, 7 and 8. For detailed up-to-date statistics, see this table)
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List all the modules that are part of a python package?
Is there a straightforward way to find all the modules that are part of a python package? I've found this old discussion , which is not really conclusive, but I'd love to have a definite answer before I roll out my own solution based on os.listdir().
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List all indexes on ElasticSearch server?
I would like to list all indexes present on an ElasticSearch server. I tried this:
22 Answers
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How to center text vertically with a large font-awesome icon?
... if you are using block elements. If you're using inline, inline-block, or table-cell, you should be good. MDN: vertical-align
– rinogo
Oct 30 '17 at 18:58
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What is the significance of #pragma marks? Why do we need #pragma marks?
...ethods according to the work they do. For example, you tagged some tag for Table View Protocol Methods, AlertView Methods, Init Methods, Declaration etc.
#pragma mark is the facility for XCode but it has no impact on your code. It merely helps to make it easier to find methods while coding.
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Dictionary vs Object - which is more efficient and why?
...ots__ = ('i', 'l')
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_obj.py:
class Obj(object):
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_dict.py:
all = {}
for i in...