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How do I write a “tab” in Python?
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It's usually \t in command-line interfaces, which will convert the char \t into the whitespace tab character.
For example, hello\talex -> hello--->alex.
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What does the construct x = x || y mean?
...is evaluated in a completely different way. The JS is eval in a much more "converted" boolean logic method that I too find much more confusing to read/write. The answer below titled "What is the double pipe operator" is actually a correct answer.
– Collin Chaffin
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Fast way of finding lines in one file that are not in another?
...t if they have different line endings. The command dos2unix can be used to convert the CRLF line endings to LF only.
– ZeroOne
Mar 27 at 10:30
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How to escape a single quote inside awk
... }", Phew! Both quotes have to be escaped, and both backslashes. The shell converts \\ to \ so we need \\\\ to encode \\ .
– Kaz
Jun 9 '15 at 18:19
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Authorize Attribute with Multiple Roles
...in @Tieson
I tweak a little in his answer. Instead of string.Join why not convert it to list?
Here is my answer:
public class AuthorizeRolesAttribute : AuthorizeAttribute
{
private new List<string> Roles;
public AuthorizeRolesAttribute(params string[] roles) : base()
{
R...
Selecting pandas column by location
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The method .transpose() converts columns to rows and rows to column, hence you could even write
df.transpose().ix[3]
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Hibernate Annotations - Which is better, field or property access?
...";
}
}
Besides, if you throw another libs into the mix (like some JSON-converting lib or BeanMapper or Dozer or other bean mapping/cloning lib based on getter/setter properties) you'll have the guarantee that the lib is in sync with the persistence manager (both use the getter/setter).
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Should switch statements always contain a default clause?
...pe! based on the language,
// there should probably be some error-handling
// here, maybe an exception
}
2. To handle 'default' actions, where the cases are for special behavior.
You see this a LOT in menu-driven programs and bash shell scripts. You might also see this when a vari...
Is 161803398 A 'Special' Number? Inside of Math.Random()
...398 = 1.61803398 * 10^8 ≈ φ * 10^8
More about the golden ratio here.
And a really good read for the casual mathematician here.
And I found a research paper on random number generators that agrees with this assertion. (See page 53.)
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OpenLayers vs Google Maps? [closed]
...here any kind of API to display roads?
I'd check out CloudMade! The have converted the OpenStreetMap project into a map tile service and allow custom styling. I believe that you can style one-way streets (per your example) a particular way. The CloudMade Developer Zone.
Do you know any good tuto...