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How to persist a property of type List in JPA?
... should anyone be looking for an alternative solution where you store your string lists as one field in your database, here's how I solved that. Create a Converter like this:
import java.util.Arrays;
import java.util.List;
import javax.persistence.AttributeConverter;
import javax.persistence.Conve...
Which exception should I raise on bad/illegal argument combinations in Python?
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$ python -c 'print(sum())'
Traceback (most recent call last):
File "<string>", line 1, in <module>
TypeError: sum expected at least 1 arguments, got 0
Our junior dev just found this page in a google search for "python exception wrong arguments" and I'm surprised that the obvious (to...
process.waitFor() never returns
...der = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line;
while ((line = reader.readLine()) != null)
System.out.println("tasklist: " + line);
process.waitFor();
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Is System.nanoTime() completely useless?
...cific counter. Now consider the following case I use to measure time of a call:
15 Answers
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Why am I not getting a java.util.ConcurrentModificationException in this example?
...Evidence : run this snippet to see the result : public static void main(String... args) { List<String> listOfBooks = new ArrayList<>(); listOfBooks.add( "Code Complete" ); listOfBooks.add( "Code 22" ); listOfBooks.add( "22 Effective" ); listOfBooks.add( "Netbeans 33" ); S...
Where is git.exe located?
I have PyCharm and I am looking around trying to find git.exe to set it up with my repo.
37 Answers
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Moment.js: Date between dates
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You can use
moment().isSameOrBefore(Moment|String|Number|Date|Array);
moment().isSameOrAfter(Moment|String|Number|Date|Array);
or
moment().isBetween(moment-like, moment-like);
See here : http://momentjs.com/docs/#/query/
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How to check if a String contains any of some strings
I want to check if a String s, contains "a" or "b" or "c", in C#.
I am looking for a nicer solution than using
14 Answers
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How to make a JTable non-editable
...ted with table = new JTable(tempTable, columnNames);, where tempTable is a String[][] and Column Names is a String[]. I believe the issue is caused by new DefaultTableModel() not specifying the data and column names for the table model. How do I specify those in the data model. I tried table.setMo...
How do you compare two version Strings in Java?
...standard idiom for comparing version numbers? I can't just use a straight String compareTo because I don't know yet what the maximum number of point releases there will be. I need to compare the versions and have the following hold true:
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