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Truncate a list to a given number of elements
...rt static java.lang.Math.min;
public class T {
public static void main( String args[] ) {
List<String> items = Arrays.asList("1");
List<String> subItems = items.subList(0, min(items.size(), 2));
// Output: [1]
System.out.println( subItems );
items = Arrays.asList...
How to initialize log4j properly?
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Log4j by default looks for a file called log4j.properties or log4j.xml on the classpath.
You can control which file it uses to initialize itself by setting system properties as described here (Look for the "Default Initialization Procedure" section).
For ex...
How do I sort a dictionary by value?
I have a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary.
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Editing legend (text) labels in ggplot
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@Sathish As you can see, the title of the y-axis is smaller than the title in the x-axis. The different sizes are used to illustrate the possibilities and its consequences. Thus the code used in the answer is correct imo.
– Jaap
Oct 14 '16 ...
Generate a random date between two other dates
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Convert both strings to timestamps (in your chosen resolution, e.g. milliseconds, seconds, hours, days, whatever), subtract the earlier from the later, multiply your random number (assuming it is distributed in the range [0, 1]) with that...
linux: kill background task
... be referred to using a prefix of the name used to start it, or using a substring that
appears in its command line. For example, %ce refers to a stopped ce job. If a prefix matches more than one job, bash
reports an error. Using %?ce, on the other hand, refers to any job con...
Android Camera Preview Stretched
... SurfaceView implements SurfaceHolder.Callback {
private static final String TAG = "CameraPreview";
private Context mContext;
private SurfaceHolder mHolder;
private Camera mCamera;
private List<Camera.Size> mSupportedPreviewSizes;
private Camera.Size mPreviewSize;
...
How to change theme for AlertDialog
...eck out developer.android.com/reference/android/R.style.html for a list of all public styles. Keep in mind that the naming in the API is different than that used in code. There is a '_' instead of "." (Theme_Dialog)
– Catalin Morosan
Jul 4 '11 at 15:54
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Running multiple TeamCity Agents on the same computer?
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Yes, it's possible:
Several agents can be installed on a single machine. They function as separate agents and TeamCity works with them as different agents, not utilizing the fact that they share the same machine.
After installing one agent you can install additional one,...
Regular expression to match a dot
... test.this content, then split is not what you need. split will split your string around the test.this. For example:
>>> re.split(r"\b\w+\.\w+@", s)
['blah blah blah ', 'gmail.com blah blah']
You can use re.findall:
>>> re.findall(r'\w+[.]\w+(?=@)', s) # look ahead
['test.t...