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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
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A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly.
mysql_* extension:
NOTE The mysql_ functions are deprecated a...
Proper way to implement IXmlSerializable?
...e a programmer decides to implement IXmlSerializable , what are the rules and best practices for implementing it? I've heard that GetSchema() should return null and ReadXml should move to the next element before returning. Is this true? And what about WriteXml - should it write a root eleme...
A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception pro
What does this mean and how to resolve it?
3 Answers
3
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How do I change the value of a global variable inside of a function
I am using JavaScript and I create a global variable. I define it outside of a function and I want to change the global variable value from inside a function and use it from another function, how do I do this?
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Detect changes in the DOM
...need to create your own domChanged API - with a function or custom event - and trigger/call it everywhere you modify things.
The DOM Level-2 has Mutation event types, but older version of IE don't support it. Note that the mutation events are deprecated in the DOM3 Events spec and have a performan...
How to select Python version in PyCharm?
I have PyCharm 1.5.4 and have used the "Open Directory" option to open the contents of a folder in the IDE.
6 Answers
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Order of serialized fields using JSON.NET
... documentation for more information.
Pass the JsonProperty an Order value and the serializer will take care of the rest.
[JsonProperty(Order = 1)]
This is very similar to the
DataMember(Order = 1)
of the System.Runtime.Serialization days.
Here is an important note from @kevin-babcock
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Responsively change div size keeping aspect ratio [duplicate]
...e same effect with another element, is it possible at all to tie the width and the height together using percentage?
5 Answ...
How do I remove the space between inline/inline-block elements?
Given this HTML and CSS:
40 Answers
40
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JMS Topic vs Queues
I was wondering what is the difference between a JMS Queue and JMS Topic.
9 Answers
9
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