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Best practices with STDIN in Ruby?
I want to deal with the command line input in Ruby:
10 Answers
10
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What does -D_XOPEN_SOURCE do/mean?
...nclude definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on other systems such as Windows.
The numbers refer to different versions of the...
JavaScript hashmap equivalent
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Hash your objects yourself manually, and use the resulting strings as keys for a regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique o...
correct way to define class variables in Python [duplicate]
...hey are just two different kinds of class elements:
Elements outside the __init__ method are static elements; they belong to the class.
Elements inside the __init__ method are elements of the object (self); they don't belong to the class.
You'll see it more clearly with some code:
class MyClass...
Add a column with a default value to an existing table in SQL Server
... (0)--Optional Default-Constraint.
WITH VALUES --Add if Column is Nullable and you want the Default Value for Existing Records.
Notes:
Optional Constraint Name:
If you leave out CONSTRAINT D_SomeTable_SomeCol then SQL Server will autogenerate
a Default-Contraint with a funny Name like: DF__...
What is the list of possible values for navigator.platform as of today? [closed]
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Disclaimer: please note this property is sent by the browser and can thus be faked, just like user agent strings. Never rely on the navigator object to be completely accurate.
The definition
As far as I know there isn't a single public list of all possible `navigator.platform` values, ...
CSS table layout: why does table-row not accept a margin?
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See the CSS 2.1 standard, section 17.5.3. When you use display:table-row, the height of the DIV is solely determined by the height of the table-cell elements in it. Thus, margin, padding, and height on those elements have no effect.
http://ww...
How to search a string in multiple files and return the names of files in Powershell?
I have started learning powershell a couple of days ago, and I couldn't find anything on google that does what I need so please bear with my question.
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What is the difference between Python's list methods append and extend?
What's the difference between the list methods append() and extend() ?
20 Answers
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SQLAlchemy: print the actual query
...enge here is that SQLAlchemy normally is not tasked with this, as this is handled appropriately by the Python DBAPI, not to mention bypassing bound parameters is probably the most widely exploited security holes in modern web applications. SQLAlchemy has limited ability to do this stringification ...