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Read a file one line at a time in node.js?
...t is a windows style text file. line.trim() does the trick of removing the extra \r.
– Pierre-Luc Bertrand
Mar 4 '14 at 18:41
...
Set color of TextView span in Android
...View)findViewById(R.id.mytextview01);
Spannable wordtoSpan = new SpannableString("I know just how to whisper, And I know just how to cry,I know just where to find the answers");
wordtoSpan.setSpan(new ForegroundColorSpan(Color.BLUE), 15, 30, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
TV.setText...
How to download source in ZIP format from GitHub?
...t on GitHub, etc.!
To simply download a repository as a zip file: add the extra path '/zipball/master/' to the end of the repository URL and voila, it gives you a zip file of the whole lot.
For example,
http://github.com/zoul/Finch/
becomes:
http://github.com/zoul/Finch/zipball/master/
...
What are the Ruby Gotchas a newbie should be warned about? [closed]
...onvention — for example, regular-expression searches — return numbers, strings, lists, or other non-false values on success, but nil on failure (e.g., mismatch). This convention is also used in Smalltalk, where only the special objects true and false can be used in a boolean expression.
Versions...
sqlalchemy: how to join several tables by one query?
...atever):
class User(Base):
__tablename__ = 'users'
email = Column(String, primary_key=True)
name = Column(String)
class Document(Base):
__tablename__ = "documents"
name = Column(String, primary_key=True)
author_email = Column(String, ForeignKey("users.email"))
author = ...
How can I create directories recursively? [duplicate]
...nal calls to the shell commands mkdir, chmod, and chown. Make sure to pass extra flags to recursively affect directories:
>>> import subprocess
>>> subprocess.check_output(['mkdir', '-p', 'first/second/third'])
# Equivalent to running 'mkdir -p first/second/third' in a shell (whi...
Find size of an array in Perl
...$size;
The latter looks quite clear alone like this, but I find that the extra line takes away from clarity when part of other code. It's useful for teaching what @array does in scalar context, and maybe if you want to use $size more than once.
...
LEFT OUTER joins in Rails 3
... a named association, it will perform an INNER JOIN. You'll have to pass a string representing your LEFT OUTER JOIN.
From the documentation:
:joins - Either an SQL fragment for additional joins like "LEFT JOIN
comments ON comments.post_id = id" (rarely needed), named associations
in the sam...
Single Page Application: advantages and disadvantages [closed]
...can authenticate). This approach maps directly to a more traditional query string, the difference is merely in the execution. With HTML5 pushState() you can eliminate the #hash and use completely classic URLs which can resolve on the server on the first request and then load via ajax on subsequent ...
Semicolon before self-invoking function? [duplicate]
...: there isn't one! (Learn only one rule and you too can enjoy life without extra semicolons ;-)
Since I write in a semicolon-free style I thus always write it as (where the function-expression can naturally span multiple lines):
;(FunctionExpression)()
In my case it isn't about "safety" or try...