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Running PostgreSQL in memory only
...atement = ds.getConnection().createStatement();
statement.execute("SELECT 1");
ResultSet resultSet = statement.getResultSet();
resultSet.next();
int resultSetInt = resultSet.getInt(1);
assertEquals("A basic SELECT query succeeds", 1, resultSetInt);
}
}
...
How can I save an image to the camera roll?
... app and they can be viewed as small thumbnails. When a small thumbnail is selected it goes to a new view and a fullscreen version can be viewed. I have a button in the right corner of the top nav that says "save" and this is the button that I wish to save the image to the device's cameral roll so t...
Is MATLAB OOP slow or am I doing something wrong?
...ava static_nop(): 0.87682 sec 8.77 usec per call
Java nop() from Java: 0.00014 sec 0.00 usec per call
MEX mexnop(): 0.11409 sec 1.14 usec per call
C nop(): 0.00001 sec 0.00 usec per call
Similar results on R2008a through R2009...
R and version control for the solo data analyst
...sion control systems can do absolutely amazing things with compression and selective saving so this is pretty much a moot point.
3 What is a good strategy for getting started with version control for data analysis with R (e.g., examples, workflow ideas, software, links to guides)?
Keep files t...
What do 'statically linked' and 'dynamically linked' mean?
...re are (in most cases, discounting interpreted code) two stages in getting from source code (what you write) to executable code (what you run).
The first is compilation which turns source code into object modules.
The second, linking, is what combines object modules together to form an executable....
What do linkers do?
...ages have a standard library of routines to cover the basic stuff expected from that language. The linker links your OBJ file with this standard library. The linker can also link your OBJ file with other OBJ files. You can create other OBJ files that have functions that can be called by another OBJ ...
HTML minification? [closed]
... what it can do (including for Stack Overflow itself):
It features many selections for optimizing your pages up to and including script minimizing (ompressor, Google Closure Compiler, your own compressor) where it would be safe. The default option set is quite conservative, so you can start with ...
How to get a list of properties with a given attribute?
...(typeof(MyAttribute), true)
where attr.Length == 1
select new { Property = p, Attribute = attr.First() as MyAttribute};
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Can you use hash navigation without affecting history?
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Unless you use :target selectors ... then history functions are useless, as that part of the spec (css interaction with history ops) seems to be not defined currently, and style does not get recomputed on history replace by most/all browsers.
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“Diff” an image using ImageMagick
...th layers, 3) remove alpha channels from both layers in the Layers tab, 4) select the G + B channels on one layer, select all and clear the channels with black color, the same with the R + B channels on the second layer, 4) set Screen mode for the upper layer in the Layers tab.
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