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Why would a JavaScript variable start with a dollar sign? [duplicate]
...; // refers to the jQuery object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom object itself
I find this to be very helpful in writing jQuery code and makes it easy to see jQuery objects which have a different set of properties.
...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...alid Date in others.
Consider, 02.02.2018,
Chrome - moment("02.02.2018")._d -> Fri Feb 02 2018 00:00:00 GMT+0530 (India Standard Time)
Firefox - moment("02.02.2018")._d -> Invalid Date
Safari - moment("02.02.2018")._d -> Invalid Date
So the moment.js is used at your own risk in case th...
Getting the index of the returned max or min item using max()/min() on a list
... values = [3,6,1,5], and need the index of the smallest element, i.e. index_min = 2 in this case.
Avoid the solution with itemgetter() presented in the other answers, and use instead
index_min = min(range(len(values)), key=values.__getitem__)
because it doesn't require to import operator nor to ...
How can I check if my python object is a number? [duplicate]
...al('2.0'), complex(2,0), Fraction(2,1), '2']:
... print '%15s %s' % (n.__repr__(), isinstance(n, Number))
2 True
2.0 True
Decimal('2.0') True
(2+0j) True
Fraction(2, 1) True
'2' False
This is, of course, contrary to duck typing. If you are more ...
How to change the background color of the options menu?
...">
...
<item name="android:itemBackground">@color/overflow_background</item>
...
</style>
Tested from API 4.2 to 5.0.
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Should Gemfile.lock be included in .gitignore?
...
Thx for helpful article.
– ashisrai_
Mar 21 '11 at 4:49
1
you should put what c...
How to convert SQL Query result to PANDAS Data Structure?
...r. 2015
As noted below, pandas now uses SQLAlchemy to both read from (read_sql) and insert into (to_sql) a database. The following should work
import pandas as pd
df = pd.read_sql(sql, cnxn)
Previous answer:
Via mikebmassey from a similar question
import pyodbc
import pandas.io.sql as psql
cn...
How is null + true a string?
...ing str = null + true;
it's as bellow:
.locals init ([0] string str)
IL_0000: nop
IL_0001: ldc.i4.1
IL_0002: box [mscorlib]System.Boolean
IL_0007: call string [mscorlib]System.String::Concat(object)
IL_000c: stloc.0
...
How to get an object's properties in JavaScript / jQuery?
...t intance of a determinated prop:
var obj = {a:'Saludos',
b:{b_1:{b_1_1:'Como estas?',b_1_2:'Un gusto conocerte'}},
d:'Hasta luego'
}
function scan (element,list){
var res;
if (typeof(list) != 'undefined'){
if (typeof(list) == 'object'){
...
How to create a jQuery plugin with methods?
...string') {
if (options == 'mymethod1') {
myplugin_method1( arg );
}
else if (options == 'mymethod2') {
myplugin_method2( arg );
}
return;
}
...normal plugin actions...
function myplugin_met...