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Installing PIL with pip
...w instead, as PIL is basically dead. Pillow is a maintained fork of PIL.
https://pypi.python.org/pypi/Pillow/2.2.1
pip install Pillow
If you have both Pythons installed and want to install this for Python3:
python3 -m pip install Pillow
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Algorithm to get the excel-like column name of a number
...\Cell\Coordinate::stringFromColumnIndex(1);
Note index 0 results in 'Z'
https://phpspreadsheet.readthedocs.io/en/develop/
The correct answer (if you use PHPExcel Library) is:
// result = 'A'
$columnLetter = PHPExcel_Cell::stringFromColumnIndex(0); // ZERO-based!
and backwards:
// result =...
Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
...-allow-file-access-from-files
Discussions of this "feature" of Chrome:
https://bugs.chromium.org/p/chromium/issues/detail?id=37586,
https://bugs.chromium.org/p/chromium/issues/detail?id=47416,
https://productforums.google.com/forum/#!topic/chrome/v177zA6LCKU
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How to support placeholder attribute in IE8 and 9
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You could use this jQuery plugin:
https://github.com/mathiasbynens/jquery-placeholder
But your link seems to be also a good solution.
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ActiveRecord OR query
...Foo.where(foo: 'bar').or.where(bar: 'bar')
As noted in this pull request https://github.com/rails/rails/pull/9052
For now, simply sticking with the following works great:
Foo.where('foo= ? OR bar= ?', 'bar', 'bar')
Update: According to https://github.com/rails/rails/pull/16052 the or feature w...
What are major differences between C# and Java?
...d myself referring to this article when switching between the two.
http://www.25hoursaday.com/CsharpVsJava.html
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answered Nov 17 '08 at 10:55
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JavaScript - Getting HTML form values
...ntries()) {
// console.log(pair[0] + ': ' + pair[1]);
}
form-serialize (https://code.google.com/archive/p/form-serialize/)
serialize(document.forms[0]);
jQuery
$("form").serializeArray()
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Check if a string contains a number
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use str.isalpha()
Ref: https://docs.python.org/2/library/stdtypes.html#str.isalpha
Return true if all characters in the string are alphabetic and there
is at least one character, false otherwise.
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Proper way to wait for one function to finish before continuing?
...andle catching errors then use it with try/catch. Read about it more here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function .
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How to hide image broken Icon using only CSS/HTML?
...e/jpg"></object>
...and just add the CSS from this answer -> https://stackoverflow.com/a/32928240/3196360
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