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Is there a Mutex in Java?
...someObject) {
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}
You can read more about this here: Intrinsic Locks and Synchronization
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Execute Python script via crontab
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Just use crontab -e and follow the tutorial here.
Look at point 3 for a guide on how to specify the frequency.
Based on your requirement, it should effectively be:
*/10 * * * * /usr/bin/python script.py
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How persistent is localStorage?
...ttings are stored in it. Some settings require the user the write regex'es and they would be sad if their regex rules are gone at some point.
So now I am wondering just how persistent the localStorage is.
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HTML encoding issues - “” character showing up instead of “ ”
...ng; if that byte isn't there, then something else has mauled your document and we need to see further up to find out what.
What's the regexp, how does the templating work? There would seem to be a proper HTML parser involved somewhere if your   strings are (correctly) being turned into U+0...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
...valid DateTimes. Source: joda-time.sourceforge.net/faq.html#illegalinstant and just running into this.
– Christophe De Troyer
Aug 10 '15 at 8:53
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Why use make over a shell script?
Make seems to me simply a shell script with slightly easier handling of command line arguments.
5 Answers
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How to check if a string contains only digits in Java [duplicate]
...\\d+";
As per Java regular expressions, the + means "one or more times" and \d means "a digit".
Note: the "double backslash" is an escape sequence to get a single backslash - therefore, \\d in a java String gives you the actual result: \d
References:
Java Regular Expressions
Java Character Es...
Encode html entities in javascript
...wsers. I would like to set up a list of symbols that must be searched for, and then converted to the corresponding html entity. For example
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Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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Select Last Row in the Table
... last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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