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How to serialize Joda DateTime with Jackson JSON processor?
... The answer did work for me. But it would require this annotation on all the fields. Is there some global configuration for this which works with Jackson?
– Taher
Jun 12 '15 at 2:36
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Check whether a string is not null and not empty
...ils
I like to use Apache commons-lang for these kinds of things, and especially the StringUtils utility class:
import org.apache.commons.lang.StringUtils;
if (StringUtils.isNotBlank(str)) {
...
}
if (StringUtils.isBlank(str)) {
...
}
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How do I prevent the modification of a private field in a class?
...he correct answer to the question, the best solution to the problem is actually as sp00m says - to return an Unmodifiable List.
– OldCurmudgeon
Feb 11 '13 at 12:10
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How do I get the path of a process in Unix / Linux
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ll usually is an alias: alias ll='ls -alF'.
– Pablo Bianchi
Aug 21 '18 at 4:19
1
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Java equivalent to C# extension methods
...o nice, and makes the program easier to understand :) I also like how Ruby allows you to do almost the same thing, except you can actually modify the built in classes and add new methods.
– knownasilya
Jan 17 '13 at 19:15
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how to convert milliseconds to date format in android?
...at.format(dateFormat, Long.parseLong(dateInMilliseconds)).toString();
}
Call this function
convertDate("82233213123","dd/MM/yyyy hh:mm:ss");
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How to concatenate two strings to build a complete path
...r -p $SUBFOLD2
And if you want to use readline so you get completion and all that, add a -e to the call to read:
read -e -p "Enter a directory: " BASEPATH
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Python Pandas Error tokenizing data
... noted
To solve it, try specifying the sep and/or header arguments when calling read_csv. For instance,
df = pandas.read_csv(fileName, sep='delimiter', header=None)
In the code above, sep defines your delimiter and header=None tells pandas that your source data has no row for headers / column ...
When and why to 'return false' in JavaScript?
...s, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...ed) state four advantages :
More readable and typeable: this syntax allows you to think in terms of subject, verb, object (assert "x is 3") rather than assertEquals, which uses verb, object, subject (assert "equals 3 x")
Combinations: any matcher statement s can be negated (not(s)), combine...