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How to determine an object's class?
If class B and class C extend class A and I have an object of type B or C , how can I determine of which type it is an instance?
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Compare dates in MySQL
...e that is between 2 given dates.
The column from the database is DATETIME, and I want to compare it only to the date format, not the datetime format.
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What is a Lambda?
...ne provide a good description of what a Lambda is? We have a tag for them and they're on the secrets of C# question, but I have yet to find a good definition and explanation of what they are in the first place.
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How to change background color in the Notepad++ text editor?
Does anyone know how to change the background color, font size, and other appearance-based settings in Notepad++? The default is white but I am trying to change it into a dark gray or something else.
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Is element block level or inline level?
...lements. This means that they flow inline like text, but also have a width and height like block elements.
In CSS, you can set an element to display: inline-block to make it replicate the behaviour of images*.
Images and objects are also known as "replaced" elements, since they do not have content...
How to keep onItemSelected from firing off on a newly instantiated Spinner?
...ple boolean flag would allow you to detect the rogue first selection event and ignore it.
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How do I comment out a block of tags in XML?
...across multiple lines (which exists also in HTML)
<detail>
<band height="20">
<!--
Hello,
I am a multi-line XML comment
<staticText>
<reportElement x="180" y="0" width="200" height="20"/>
<text><![CDATA[Hell...
Autoresizing masks programmatically vs Interface Builder / xib / nib
... is equivalent to using UIViewAutoresizingFlexibleLeftMargin inside code and so on.
4 Answers
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How can I clear the SQL Server query cache?
... is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUFFERS command. Although the CHECKPOINT process is an automatic internal system process in SQL Server and occurs on a regular basis, it is important to issue this command to write all of the...
What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .cl
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.classA.classB refers to an element that has both classes A and B (class="classA classB"); whereas .classA .classB refers to an element with class="classB" descended from an element with class="classA".
Edit: Spec for reference: Attribute Selectors (See section 5.8.3 Class Selectors)...