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Is there a query language for JSON?
... work in progress, but work to some degree. They are also similar to XPath and XQuery conceptually; even though XML and JSON have different conceptual models (hierarchic vs object/struct).
EDIT Sep-2015: Actually there is now JSON Pointer standard that allows very simple and efficient traversal of ...
Which HTML Parser is the best? [closed]
...f parsers. Up until now, I was using HtmlUnit headless browser for parsing and browser automation.
3 Answers
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When should you use constexpr capability in C++11?
...hat can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number.
It basically provides a good aid to maintainability as it becomes more obvious what you are doing. Take max( a, b ) for example:
templat...
What are “decorators” and how are they used?
...on online for decorators save for a blurb in the AngularJS documentation and a brief (albeit interesting) mention in a youtube video .
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How do I make an HTML text box show a hint when empty?
...ce of any styles, in Chrome this looks like:
You can try demos out here and in HTML5 Placeholder Styling with CSS.
Be sure to check the browser compatibility of this feature. Support in Firefox was added in 3.7. Chrome is fine. Internet Explorer only added support in 10. If you target a browser...
Composer Warning: openssl extension is missing. How to enable in WAMP
...cy management tool on Win7/64 + WampServer 2.2 via the Setup Installer and I am getting the following message:
13 Answe...
Input size vs width
...he css style will override the size attribute in browsers that support CSS and make the field the correct width, and for those that don't, it will fall back to the specified number of characters.
Edit: I should have mentioned that the size attribute isn't a precise method of sizing: according to th...
Calculate text width with JavaScript
...IV styled with the following styles. In your JavaScript, set the font size and attributes that you are trying to measure, put your string in the DIV, then read the current width and height of the DIV. It will stretch to fit the contents and the size will be within a few pixels of the string rendered...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
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SET XACT_ABORT ON instructs SQL Server to rollback the entire transaction and abort the batch when a run-time error occurs. It covers you in cases like a command timeout occurring on the client application rather than within SQL Server itself (which isn't covered by the default XACT_ABORT OFF setti...
Why does string::compare return an int?
...eturn an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
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