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Emacs bulk indent for Python
Working with Python in Emacs if I want to add a try/except to a block of code, I often find that I am having to indent the whole block, line by line. In Emacs, how do you indent the whole block at once.
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
.... I tried to repeat the problem in Windows and Ubuntu and it gave me the exact same error. Numerous configurations of the slf4j-api and logback were tested but none seem to work.
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Distinct() with lambda?
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Excellent! This is really easy to encapsulate in an extension method too, like DistinctBy (or even Distinct, since the signature will be unique).
– Tomas Aschan
Jul 27 '11 at 11:33
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What is the Swift equivalent of respondsToSelector?
.... This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
In the case where you still need respondsToSelector:, it is still there as part of the NSObject protocol.
If you are calling respondsToSelector: on an Obj-C type in Swift, then...
Unloading classes in java?
... class for every JAR file.
And create a new, MultiClassloader class that extends Classloader. This class internally would have an array (or List) of JarClassloaders, and in the defineClass() method would iterate through all the internal classloaders until a definition can be found, or a NoClassDef...
How to write LaTeX in IPython Notebook?
How can I display LaTeX code in a IPython Notebook?
13 Answers
13
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Formatting floats without trailing zeros
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Me, I'd do ('%f' % x).rstrip('0').rstrip('.') -- guarantees fixed-point formatting rather than scientific notation, etc etc. Yeah, not as slick and elegant as %g, but, it works (and I don't know how to force %g to never use scientific notation...
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...b.Basetypes.Select(
b => new SelectListItem { Value = b.basetype, Text = b.basetype });
ViewData["basetype"] = basetypes;
before the return View(meal) in the [HttpPost] method.
exactly this will solve your problem:
[HttpPost]
public ActionResult Create(Meal meal)
{
if (ModelState.IsVa...
How to pass anonymous types as parameters?
...an I pass anonymous types as parameters to other functions? Consider this example:
10 Answers
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How to run a shell script at startup
On an Amazon S3 Linux instance, I have two scripts called start_my_app and stop_my_app which start and stop forever (which in turn runs my Node.js application). I use these scripts to manually start and stop my Node.js application. So far so good.
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