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How should I escape commas and speech marks in CSV files so they work in Excel?
I'm generating a CSV file (delimited by commas rather than tabs). My users will most likely open the CSV file in Excel by double clicking it. My data may contain commas and speech marks, so I'm escaping those as follows.
...
Why does the indexing start with zero in 'C'?
...ve, it isn't as relevant when it comes to programming.
The decision taken by the language specification & compiler-designers is based on the
decision made by computer system-designers to start count at 0.
The probable reason
Quoting from a Plea for Peace by Danny Cohen.
IEEE Link
IEN-137
F...
Dealing with float precision in Javascript [duplicate]
... a large amount of numeric values y in javascript. I want to group them by rounding them down to the nearest multiple of x and convert the result to a string.
...
Where does Xcode 4 store Scheme Data?
...inally found the answer on somebody's Twitter. Schemes are stored per user by default, but if you go to Manage Schemes and click the "Shared" checkbox on the far right for each one, they'll show up in the xcshareddata directory instead of your xcuserdata directory, where they'll be seen and used by ...
Colorize logs in eclipse console
...ave a try with this Eclipse Plugin: Grep Console
[Update]:
As pointed out by commenters:
When installing Grep Console in the currently last version of Eclipse, you need to uncheck 'Group items by category' in the Install dialog to see the available items.
As pointed out by @Line the plugin can now ...
JUnit test for System.out.println()
...
using ByteArrayOutputStream and System.setXXX is simple:
private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
private final Prin...
Why is it not advisable to have the database and web server on the same machine?
... one server compromised, an attacker could still do serious damage, either by deleting the database, or messing with the application code.
...
How can I tell PyCharm what type a parameter is expected to be?
...t need a docstring. As an added benefit, those annotations can be accessed by code:
>>> King.repress.__annotations__
{'peasant': <class '__main__.Person'>, 'return': <class 'bool'>}
Update: As of PEP 484, which has been accepted for Python 3.5, it is also the official convent...
When to use self over $this?
...>bar();
?>
Here is an example of suppressing polymorphic behaviour by using self for member functions:
<?php
class X {
function foo() {
echo 'X::foo()';
}
function bar() {
self::foo();
}
}
class Y extends X {
function foo() {
echo 'Y::foo()';...
What does Class mean in Java?
...able class, hence you can use the syntax Class<T> where T is a type. By writing Class<?>, you're declaring a Class object which can be of any type (? is a wildcard). The Class type is a type that contains meta-information about a class.
It's always good practice to refer to a generic t...