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What is the difference between onBlur and onChange attribute in HTML?
...t basic events
– stackdave
Jan 19 '18 at 8:04
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Batch not-equal (inequality) operator
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edited Aug 20 '18 at 8:54
Uwe Keim
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How to display the current year in a Django template?
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328
The full tag to print just the current year is {% now "Y" %}. Note that the Y must be in quotes....
Make column not nullable in a Laravel migration
...ly and cleanly do it I will merge it." github.com/laravel/framework/issues/895#issuecomment-42709756
– Ryan
May 15 '14 at 21:30
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What is a Proxy in Doctrine 2?
...e @Kontrollfreak's answer for more details: https://stackoverflow.com/a/17787070/252591
Proxy objects are used whenever your query doesn't return all data required to create an entity. Imagine following scenario:
@Entity
class User {
@Column protected $id;
@Column protected $username;...
How to copy a file from one directory to another using PHP?
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8 Answers
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Positioning a div near bottom side of another div
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Tested and working on Firefox 3, Chrome 1, and IE 6, 7 and 8:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html><body>
<div style='background-color: yellow; width: 70%;
height: 100p...
SCOPE_IDENTITY() for GUIDs?
...differently anyway.
– Shiv
May 14 '18 at 0:58
The OUTPUT clause gives an error on any table that has an insert trigger...
Rails: Open link in new tab (with 'link_to')
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8
You can also use target: :_blank instead of target: '_blank'
<%= link_to image_tag("facebook...
Assign pandas dataframe column dtypes
...= pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x object
y object
z object
dtype: object
df
x y z
0 a 1 2018-05-01
1 b 2 2018-05-02
You can apply these to each column you want to convert:
df["y"] = ...
