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is there a require for json in node.js
... There's one gotcha with this. The result will be cached! So if you for some reason need to load the data again (say at a cronjob), you'll get the same old result.
– Juho Vepsäläinen
Nov 18 '13 at 11:21
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`find -name` pattern that matches multiple patterns
...cally, which isn't that easy.
Are you using bash (or Cygwin on Windows)? If you are, you should be able to do this:
ls **/*.py **/*.html
which might be easier to build programmatically.
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How to generate controller inside namespace in rails
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Try rails g controller admin/users if you want a users controller inside of the admin namespace. Of course, exchange users with whatever controller name that you'd like.
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How to read the value of a private field from a different class in Java?
... mindful of are commented above.
The NoSuchFieldException would be thrown if you asked for a field by a name which did not correspond to a declared field.
obj.getClass().getDeclaredField("misspelled"); //will throw NoSuchFieldException
The IllegalAccessException would be thrown if the field was...
make arrayList.toArray() return more specific types
...ed, see .toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
If your list is not properly typed you need to do a cast before calling toArray. Like this:
List l = new ArrayList<String>();
String[] a = ((List<String>)l).toArray(new String[l.size()]);
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
...alues have not explicitly assigned values, whereas y's were assigned, even if it was the value undefined.
– Martijn
Mar 31 '11 at 15:03
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How to keep indent for second line in ordered lists via CSS?
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If you have multiple-line list items, and need consistent vertical spacing, the solution is to add vertical border-spacing to the ol selector, e.g. border-spacing: 0 3px; Normal padding on the table-cell does not work because...
How can I use break or continue within for loop in Twig template?
...s a flag to break iterating:
{% set break = false %}
{% for post in posts if not break %}
<h2>{{ post.heading }}</h2>
{% if post.id == 10 %}
{% set break = true %}
{% endif %}
{% endfor %}
An uglier, but working example for continue:
{% set continue = false %}
{% ...
Extract part of a regex match
...p(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECASE)
if title_search:
title = title_search.group(1)
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GraphViz - How to connect subgraphs?
... In case anyone is interested in, this can cause positioning problems if you have labelled links (edges). While the head or the tail of the edge may be hidden beneath a cluster, the label is still positioned at the midpoint, meaning some edge labels appear to be floating over a cluster instead ...