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PHP Fatal error: Call to undefined function json_decode()
Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
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Validating an XML against referenced XSD in C#
... value of "<catalog>" ... how to validate it
– Anil Purswani
Oct 8 '14 at 9:27
6
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What does Expression.Quote() do that Expression.Constant() can’t already do?
...operand. Constants are just values.
Quotes and constants have different meanings and therefore have different representations in an expression tree. Having the same representation for two very different things is extremely confusing and bug prone.
Long answer:
Consider the following:
(int s)=>...
What are fail-safe & fail-fast Iterators in Java
...nization, the result could be a corrupted list result. The "fast fail" mechanism will probably detect the concurrent modification (though that isn't guaranteed), but it won't detect the underlying corruption. As an example, javadoc for Vector.iterator() says this:
"The fail-fast behavior of an ...
Open soft keyboard programmatically
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In your manifest file, try adding the following to the <activity> that you want to show the keyboard when the activity starts:
android:windowSoftInputMode="stateVisible"
This should cause the keyboard to become visible when th...
What blocks Ruby, Python to get Javascript V8 speed? [closed]
...ne of the fastest dynamic OO language execution engines ever created), the Animorphic Smalltalk VM (to this day one of the fastest Smalltalk execution engines ever created), the HotSpot JVM (the fastest JVM ever created, probably the fastest VM period) and OOVM (one of the most efficient Smalltalk V...
Android: upgrading DB version and adding new table
...e called when app newly installed.
onUpgrade called when app updated.
Organizing Database versions
I manage versions in a class methods. Create implementation of interface Migration. E.g. For first version create MigrationV1 class, second version create MigrationV1ToV2 (these are my naming convent...
Git fatal: Reference has invalid format: 'refs/heads/master
I am using Dropbox to sync a git repository, but now when I try and push I am getting an error:
8 Answers
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C# Double - ToString() formatting with two decimal places but no rounding
How do I format a Double to a String in C# so as to have only two decimal places?
15 Answers
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NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]
With all the hype it seems really hard to find reliable information on when to use this. So I pose the following questions, and I'm sorry if these are really dumb questions in advance:
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