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How many database indexes is too many?
...nds on the operations that occur on the table.
If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up.
If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since they all ...
Displaying build times in Visual Studio?
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Menu Tools → Options → Projects and Solutions → VC++ Project Settings → Build Timing should work.
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How to perform a real time search and filter on a HTML table
I've been Googling and searching Stack Overflow for a while, but I just can't get around this problem.
9 Answers
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Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
Disclaimer: I'm new to the REST school of thought, and I'm trying to wrap my mind around it.
6 Answers
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Connect Java to a MySQL database
...(DataSource) context.lookup("java:comp/env/jdbc/myDB");
or instantiating and configuring one from your database driver directly:
MysqlDataSource dataSource = new MysqlDataSource();
dataSource.setUser("scott");
dataSource.setPassword("tiger");
dataSource.setServerName("myDBHost.example.org");
an...
How to add elements of a Java8 stream into an existing List
... to add to an existing collection using forEachOrdered(). This is a useful and effective technique for mutating existing collections. My answer addresses why you shouldn't use a Collector to mutate an existing collection.
The short answer is no, at least, not in general, you shouldn't use a Collect...
Can an html element have multiple ids?
I understand that an id must be unique within an HTML/XHTML page.
18 Answers
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Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android
It seems like the most recent Android 4.2 has introduced this error condition on installation when one attempts to install an APK with a lower version. In prior versions of Android, one would be able to install older APK's simply via adb install -r <link to APK> . For debugging purposes, I f...
What vim plugins are available for Eclipse? [closed]
I have found three and would like to know if there are others and what their advantages or disadvantages might be:
4 Answer...
Is there a C++ gdb GUI for Linux? [closed]
... with the raw power of the Visual Studio debugger. It's just too powerful, and it's just too well integrated inside the IDE.
For a Linux alternative, try DDD if free software is your thing.
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