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What does CultureInfo.InvariantCulture mean?
...hat your dates and decimal / currency values will be in ahead of time, you can use that specific CultureInfo property (i.e. CultureInfo("en-GB")). For example if you expect a user input.
The CultureInfo.InvariantCulture property is used if you are formatting or parsing a string that should be parse...
How is “=default” different from “{}” for default constructor and destructor?
...lt construct one, the compiler will generate a default constructor automatically. Same goes for copy/movement and destructing. Because the user did not provide any of these member functions, the C++11 specification considers this a "trivial" class. It therefore legal to do this, like memcpy their co...
How to prevent Browser cache for php site
...ages the browser is loading the same old js, css and image files stored in cache.
5 Answers
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What are the big improvements between guava and apache equivalent libraries?
...choose, I'd opt to use Guava, keeping Apache Commons around for the (rare) cases where Guava does not have the needed functionality. Let me attempt to explain why.
Guava is more "modern"
Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was o...
Xcode Project vs. Xcode Workspace - Differences
... workspaces. Targets specify in detail how a product/binary (i.e., an application or library) is built. They include build settings, such as compiler and linker flags, and they define which files (source code and resources) actually belong to a product. When you build/run, you always select one spec...
How to check whether a pandas DataFrame is empty?
How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty.
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What is a Portable Class Library?
...uts any other answer here in the shade.
UPDATE May 20 2013:
Very practical coverage of practical application and implications of this for cross-device stuff (think Xamarin Studio) in Tablet Show podcast with Atley Hunter. Key takeaway:- PCLs are a very useful constraint to impose on onself in cr...
How to create a unique index on a NULL column?
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Pretty sure you can't do that, as it violates the purpose of uniques.
However, this person seems to have a decent work around:
http://sqlservercodebook.blogspot.com/2008/04/multiple-null-values-in-unique-index-in.html
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JavaScript: Class.method vs. Class.prototype.method
... no relationship with an object instance of that constructor function, you can consider it like a 'static method'.
In JavaScript functions are first-class objects, that means you can treat them just like any object, in this case, you are only adding a property to the function object.
The second fu...
Which characters need to be escaped in HTML?
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If you're inserting text content in your document in a location where text content is expected1, you typically only need to escape the same characters as you would in XML. Inside of an element, this just includes the entity escape ampersand & and the element delimiter less-than...