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Why 0 is true but false is 1 in the shell?
... check pretty easily for success, and investigate the particular error for more details if you want to. A lot of APIs and frameworks have a similar convention - functions that succeed return 0 and and those that fail give back an error code describing the particular failure case.
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Elegant way to combine multiple collections of elements?
...dn't do this in the first place is that (to me) it seems to get uglier the more collections you have to deal with. However this has the benefit of using existing LINQ functions, which future developers will likely already be familiar with.
– Donut
Dec 20 '10 at...
Programmatically creating Markdown tables in R with KnitR
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What are the key differences between Meteor, Ember.js and Backbone.js? [closed]
...or you. But on the other hand, although new, the Ember package is actually more complete IMO than backbone.
Both give you the ability to implement things in a variety of ways which can be confusing, but Ember provides more of the code that you would have to write yourself in backbone as standard w...
How to create a MySQL hierarchical recursive query
...he number of records returned.
Alternative 1: with recursive, connect by
More and more databases implement the SQL:1999 ISO standard WITH [RECURSIVE] syntax for recursive queries (e.g. Postgres 8.4+, SQL Server 2005+, DB2, Oracle 11gR2+, SQLite 3.8.4+, Firebird 2.1+, H2, HyperSQL 2.1.0+, Teradata,...
What's the “big idea” behind compojure routes?
...rapped in wrap-params and wrap-cookies implicitly.
Here's an example of a more complex route:
(def echo-typed-url-route
(GET "*" {:keys [scheme server-name server-port uri]}
(str (name scheme) "://" server-name ":" server-port uri)))
Note the destructuring form in place of the previously u...
C# vs C - Big performance difference
...you abandon any notion of languages being "faster" than each others. C# no more has a speed than English does.
There are certain things in the C language that would be efficient even in a naive non-optimizing compiler, and there are others that relies heavily on a compiler to optimize everything aw...
What XML parser should I use in C++? [closed]
...nfigured without that dependency. Though that does mean that you'll have a more limited set of possible text encodings it can parse.
It uses the MIT license.
I Do Not Need Full XML Compliance
OK, so full XML compliance doesn't matter to you. Your XML documents are either fully under your control or ...
Token Authentication vs. Cookies
... not need the server to manage the session. This results in Ember.js being more versatile in many situations, e.g. when your app is in offline mode.
Obviously, for security reasons, it does need some kind of token or unique key to be sent to the server everytime a request is made in order to be auth...
asynchronous vs non-blocking
...rted by Windows sockets), or the asynchronous IO pattern used in .NET, are more convenient. You call a method to start an operation, and the framework calls you back when it's done. Even here, there are basic differences. Asynchronous Win32 sockets "marshal" their results onto a specific GUI thread ...