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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
...ar/lib/mysql/table3.ibd /tmp/mysql_orphans/
One caveat though, make sure what ever is causing the problem originally, e.g. long running query, locked table, etc... has been cleared. Otherwise you just end up with another orphaned .ibd file when you try a second time.
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Equivalent of LIMIT and OFFSET for SQL Server?
... (ORDER BY SortCol1, SortCol2, ...) AS RowNum
FROM Table
WHERE <whatever>
)
SELECT *
FROM Results_CTE
WHERE RowNum >= @Offset
AND RowNum < @Offset + @Limit
The advantage here is the parameterization of the offset and limit in case you decide to change your paging options (or al...
How can I use pointers in Java?
...);
tony = third; // Error, the new object allocated above is reclaimed.
What you probably meant to say was:
Tiger tony = null;
tony = third; // OK.
Improper Casting:
Lion leo = new Lion();
Tiger tony = (Tiger)leo; // Always illegal and caught by compiler.
Animal whatever = new Lion(); // Le...
Multiple working directories with Git?
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This is the coolest thing they've created, just what I was looking for. Thanks for that!
– user4713908
Oct 5 '15 at 13:04
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General guidelines to avoid memory leaks in C++ [closed]
What are some general tips to make sure I don't leak memory in C++ programs? How do I figure out who should free memory that has been dynamically allocated?
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Infinity symbol with HTML
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What's your environment? On the Mac, it's option-5. In GTK+, it's C-S-u 2 2 1 E. On Windows, it's ALT 2 3 6 (keypad). A good text editor will also have a way to define an abbrev for it.
– Ken
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Resizing an Image without losing any quality [closed]
...Gs with quality 75. The image was blurry and not acceptable by the client. What fixed the quality issue was to use Save(string filename, ImageCodecInfo encoder, EncoderParameters encoderParams) instead and specify a quality value closer to 100.
– Riga
Oct 8 '13...
When do you use the “this” keyword? [closed]
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@Anand it will not affect performance at run time whatsoever. Assuming there is no ambiguity, the compiler's output is the same regardless of whether you write, for example this.someField = someValue or someField = someValue. It could affect the compiler's performance, sin...
How to plot two histograms together in R?
...ur two data frames into one long one.
So, let's start with something like what you have, two separate sets of data and combine them.
carrots <- data.frame(length = rnorm(100000, 6, 2))
cukes <- data.frame(length = rnorm(50000, 7, 2.5))
# Now, combine your two dataframes into one.
# First ...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...by putting the following code in a SettingsActivity onCreate(), and seeing what preferencesName is.
String preferencesName = this.getPreferenceManager().getSharedPreferencesName();
The string should be something like com.example.projectname_preferences. Hard code that somewhere in your project, ...