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Is it possible only to declare a variable without assigning any value in Python?
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In Python 3.6+ you could use Variable Annotations for this:
https://www.python.org/dev/peps/pep-0526/#abstract
PEP 484 introduced type hints, a.k.a. type annotations. While its main focus was function annotations, it also introduced the notion of type comments to annotate variables:
# 'capt...
How to open standard Google Map application from my application?
...lication and to show particular location. How can I do it? (without using com.google.android.maps.MapView )
9 Answers
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Use a normal link to submit a form
...arch from whole document to find the right form.
<form action="http://www.greatsolutions.com.br/indexint.htm"
method="get">
<h3> Enter your name</h3>
First Name <input type="text" name="fname" size="30"><br>
Last Name <input type...
Difference between DateTime and Time in Ruby
...6, under nanosecond), Time works slower as when integer is used.
(http://www.ruby-doc.org/core-2.1.0/Time.html)
In other words, as far as I understand, DateTime no longer covers a wider range of potential values than Time.
In addition, two previously unmentioned restrictions of DateTime should ...
Converting between datetime, Timestamp and datetime64
...he long value on numpy-1.8.0 installed as:
pip install git+https://github.com/numpy/numpy.git#egg=numpy-dev
The same example:
>>> from datetime import datetime
>>> import numpy
>>> numpy.datetime64('2002-06-28T01:00:00.000000000+0100').astype(datetime)
1025222400000000...
jQuery: click function exclude children.
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PHP code is not being executed, instead code shows on the page
... like http://localhost/file.php not via local file access file://localhost/www/file.php
And lastly check the PHP manual for further setup tips.
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How to write an XPath query to match two attributes?
...']" +
"[@" + ATTRIB2 + "='" + attrib2_value + "']"
XPath Testbed:
http://www.whitebeam.org/library/guide/TechNotes/xpathtestbed.rhtm
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How to make blinking/flashing text with CSS 3
... animation and
@keyframes. You can refer to my detailed code here
As commented, this won't work on older versions of Internet Explorer, and for that you need to use jQuery or JavaScript...
(function blink() {
$('.blink_me').fadeOut(500).fadeIn(500, blink);
})();
Thanks to Alnitak for sugg...
css z-index lost after webkit transform translate3d
...t;
<body>
<div id="element_a">
<img src="http://www.google.com/intl/en_com/images/srpr/logo3w.png">
</div>
<div id="element_b">
<img src="http://www.google.com/intl/en_com/images/srpr/logo3w.png">
</div>
</body>
...