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How to get the current date and time
How do I get the current date and time in Java?
10 Answers
10
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ArrayIndexOutOfBoundsException when using the ArrayList's iterator
...ing iterator twice in each iteration, you're getting new iterators all the time.
The easiest way to write this loop is using the for-each construct:
for (String s : arrayList)
if (s.equals(value))
// ...
As for
java.lang.ArrayIndexOutOfBoundsException: -1
You just tried to get ...
Run all SQL files in a directory
...an . i was thinking of doing one by one some 200 sql files. saved a lot of time
– Uthistran Selvaraj
Jul 5 '17 at 6:14
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Normal arguments vs. keyword arguments
...ictionary named kwargs. You can examine the keys of this dictionary at run-time, like this:
def my_function(**kwargs):
print str(kwargs)
my_function(a=12, b="abc")
{'a': 12, 'b': 'abc'}
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Insert line after first match using sed
... can't seem to find a straightforward answer to this and I'm on a bit of a time crunch at the moment. How would I go about inserting a choice line of text after the first line matching a specific string using the sed command. I have ...
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Casting a variable using a Type variable
...tual type. With proper interfaces that shouldn't be necessary 99.9% of the times. There are perhaps a few edge cases when it comes to reflection that it might make sense, but I would recommend to avoid those cases.
Edit 2:
Few extra tips:
Try to keep your code as type-safe as possible. If the co...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...mory is mutable, since there are no instructions in the data segment. This time when the compiler initializes the character array (which is still just a char*) it's pointing into the data segment rather than the text segment, which you can safely alter at run-time.
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
... natural language.
Easier read, easier analyze code.
Programer spend more time to analyze code than write new one. So if code will be easy to analyze then developer should be more productive.
P.S.
Code should be as well-written book.
Self documented code.
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Removing X-Powered-By
... and depending on how aggressive your upgrade cycle is, may be so for some time. Better to keep them guessing altogether. I hide as much as I can including nginx versions as well.
– Mike Purcell
Jan 11 '14 at 7:44
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Convert Unix timestamp into human readable date using MySQL
Is there a MySQL function which can be used to convert a Unix timestamp into a human readable date? I have one field where I save Unix times and now I want to add another field for human readable dates.
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