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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...or home = 10 you may get : 3 | 10 | 04/03/2009 | john | 300 In other words it doesn't guarantees that all column of a row in resultset will belong to max(datetime) for given home.
– sactiw
Nov 26 '15 at 12:07
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How do I wait for an asynchronously dispatched block to finish?
...causing deadlocks and/or killing the battery by nonstop polling.
In other words, rearrange your code so that there is no synchronous waiting for a result, but instead deal with a result being notified of change of state (eg callbacks/delegate protocols, being available, going away, errors, etc.). ...
What is resource-ref in web.xml used for?
...dvantage of separating the developer role from the deployer role. In other words, as a developer, you don't have to know what your required resources are actually called in production, and as the guy deploying the application, you will have a nice list of names to map to real resources.
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What is this: [Ljava.lang.Object;?
...s a primitive type or void, then the name returned is the Java language keyword corresponding to the primitive type or void.
If this class object represents a class of arrays, then the internal form of the name consists of the name of the element type preceded by one or more '[' characters rep...
When to use ref and when it is not necessary in C#
... but the short answer itself, the directive to read the article, is only 6 words long :)
– Jon Skeet
Mar 11 '09 at 19:53
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Formatting code snippets for blogging on Blogger [closed]
... overflow: auto; width: 100%">
<code style="color:#000000;word-wrap:normal;">
<<<<<<<YOUR CODE HERE>>>>>>>
</code>
</pre>
How to use :
Paste this snippet in text editor,
paste your code in <<&...
Do you need break in switch when return is used?
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No its not necessary , because when the key word return is called it will indicate that the particular function which the switch/case was called has come to an end.
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Access-control-allow-origin with multiple domains
...ter RESPONSE_ and it will create the Response Header using the rest of the word as the header name (in this case Access-Control-Allow-Origin). Rewrite uses underscores "_" instead of dashes "-" (rewrite converts them to dashes)
Explaining the server variable HTTP_ORIGIN :
Similarly, in Rewrite you ...
What is the difference between SQL, PL-SQL and T-SQL?
... for which SQL itself provides the definition. The SQL Standard avoids the words 'set' and 'relation' and their derivatives. SQL tables are not sets.
– onedaywhen
Nov 25 '11 at 12:10
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Get contentEditable caret index position
... It does not work properly if you have some Bold and/or Italic words.
– user2824371
Jan 29 '18 at 21:13
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