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How to check edittext's text is email address or not?
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answered May 25 '11 at 5:05
AndyAndy
5,10177 gold badges3434 silver badges5151 bronze badges
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Prevent errors from breaking / crashing gulp watch
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260
Your swallowError function should look like this:
function swallowError (error) {
// If you ...
Difference between a virtual function and a pure virtual function [duplicate]
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A pure virtual function is a virtual function whose declaration ends in =0:
class Base {
// ...
virtual void f() = 0;
// ...
A pure virtual function implicitly makes the class it is defined for abstract (unlike in Java where you have a keyword to explicitly declare the class abstract). Ab...
How do I get the number of elements in a list?
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2690
The len() function can be used with several different types in Python - both built-in types and ...
How to compare Lists in Unit Testing
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Jon SkeetJon Skeet
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Sort a list of tuples by 2nd item (integer value) [duplicate]
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660
Try using the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc'...
Gmail's new image caching is breaking image links in newsletter
... own proxy server. while fetching the images, GoogleImageProxy found some 404 statuses against your missing images and 403 against some protected images. GoogleImagesProxy has stored these statuses into its own proxy server.
Now tried to open your email, you noticed some 404 statuses against your ...
How to show “Done” button on iPhone number pad
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20 Answers
20
Active
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Given a number, find the next higher number which has the exact same set of digits as the original n
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answered Feb 20 '12 at 21:23
BlueRaja - Danny PflughoeftBlueRaja - Danny Pflughoeft
72.2k2525 gold badges169169 silver badges251251 bronze badges
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How to set a default value for a datetime column to record creation time in a migration?
...e is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.timestamps
end
end
end
See discussion at https://github.com/rails/rails/issues/27077 and an...
