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Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
...ocumentation, change_column_null has an optional fourth value which is the new value for the update.
– Merovex
Jan 1 '16 at 5:22
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How do I escape reserved words used as column names? MySQL/Create Table
... @rjmunro - Doing so is somewhat more defensive as it protects you against new reserved keywords being introduced in later versions but I don't like the visual clutter.
– Martin Smith
Sep 17 '13 at 12:02
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How do I directly modify a Google Chrome Extension File? (.CRX)
...ere are a few problems with it — most importantly is that it hijacks the new tab — also, it returns null for the username so the copied path doesn't work — I'm on OS X — cool idea though, it just needs a little work. Oh and also, the slash between Extensions and the extension id is missing.
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Capybara Ambiguity Resolution
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NEW ANSWER:
You can try something like
all('a').select {|elt| elt.text == "#tag1" }.first.click
There may be a way to do this which makes better use of the available Capybara syntax -- something along the lines of all("a[...
AngularJS multiple filter with custom filter function
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f18792039%2fangularjs-multiple-filter-with-custom-filter-function%23new-answer', 'question_page');
}
);
...
How to generate string of a certain length to insert into a file to meet a file size criteria?
...and a number of times you want that character repeated:
string myString = new string('*', 5000);
This gives you a string of 5000 stars - tweak to your needs.
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improve this answer
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Preventing twitter bootstrap carousel from auto sliding on page load
So is there anyway to prevent twitter bootstrap carousel from auto sliding on the page load unless the next or previous button is clicked?
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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SQL Server 2017 does introduce a new aggregate function
STRING_AGG ( expression, separator).
Concatenates the values of string expressions and places separator
values between them. The separator is not added at the end of string.
The concatenated el...
onCreateOptionsMenu inside Fragments
...uff
return true;
}
return false;
}
Finally, add the new file res/menu/fragment_menu.xml defining action_1 and action_2.
This way when your app displays the Fragment, its menu will contain 3 entries:
action_1 from res/menu/fragment_menu.xml
action_2 from res/menu/fragment_me...
JSON to pandas DataFrame
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Just a new version of the accepted answer, as python3.x does not support urllib2
from requests import request
import json
from pandas.io.json import json_normalize
path1 = '42.974049,-81.205203|42.974298,-81.195755'
response=reque...