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How can I concatenate two arrays in Java?
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Here's a simple method that will concatenate two arrays and return the result:
public <T> T[] concatenate(T[] a, T[] b) {
int aLen = a.length;
int bLen = b.length;
@SuppressWarnings("unchecked")
T[] c = (T[]) Array.newInstance(a.getClass().getComponentType(...
Using IoC for Unit Testing
...y of the object graph when you do your unit tests.
– Anderson Imes
Sep 23 '09 at 14:26
4
@Mark Se...
Change cursor to hand when mouse goes over a row in table
How do I change the cursor pointer to hand when my mouse goes over a <tr> in a <table>
11 Answers
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Put content in HttpResponseMessage object?
...age class. Before, you could simply pass a data type into the constructor, and then return the message with that data, but not anymore.
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Does Spring @Transactional attribute work on a private method?
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The Question is not private or public, the question is: How is it invoked and which AOP implementation you use!
If you use (default) Spring Proxy AOP, then all AOP functionality provided by Spring (like @Transactional) will only be taken into account if the call goes through the proxy. -- This is n...
T-SQL CASE Clause: How to specify WHEN NULL
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Handling it with something like this may be of use, or something of the like: COALESCE(last_name, '') The case statement, while concise, is imho less maintainable than COALESCE in large queries. In the end, you have the...
css 'pointer-events' property alternative for IE
...nu when clicked on) while others should navigate (these dont have dropdown and navigate directly).However, both types have href defined to them
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Linux delete file with size 0 [duplicate]
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This will delete all the files in a directory (and below) that are size zero.
find /tmp -size 0 -print -delete
If you just want a particular file;
if [ ! -s /tmp/foo ] ; then
rm /tmp/foo
fi
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pandas DataFrame: replace nan values with average of columns
I've got a pandas DataFrame filled mostly with real numbers, but there is a few nan values in it as well.
10 Answers
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How can I get a file's size in C? [duplicate]
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You need to seek to the end of the file and then ask for the position:
fseek(fp, 0L, SEEK_END);
sz = ftell(fp);
You can then seek back, e.g.:
fseek(fp, 0L, SEEK_SET);
or (if seeking to go to the beginning)
rewind(fp);
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