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Asking the user for input until they give a valid response
...:
# Note: Python 2.x users should use raw_input, the equivalent of 3.x's input
age = int(input("Please enter your age: "))
except ValueError:
print("Sorry, I didn't understand that.")
#better try again... Return to the start of the loop
continue
else:
...
How to convert hashmap to JSON object in Java
...lli Mentzel
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answered Aug 28 '12 at 8:57
AnkurAnkur
11.1k55 gold badges31...
Enabling WiFi on Android Emulator
...id emulator? I have tried to find this but everyone is confusing WiFi with 3G.
6 Answers
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UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang
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1392
You need to read the Python Unicode HOWTO. This error is the very first example.
Basically, s...
Number of lines in a file in Java
...far, about 6 times faster than readLines. On a 150MB log file this takes 0.35 seconds, versus 2.40 seconds when using readLines(). Just for fun, linux' wc -l command takes 0.15 seconds.
public static int countLinesOld(String filename) throws IOException {
InputStream is = new BufferedInputStrea...
Hibernate Criteria returns children multiple times with FetchType.EAGER
... driving table. If
you have 5 orders in the database, and each order has 3 line items,
the resultset will be 15 rows. The Java result list of these queries
will have 15 elements, all of type Order. Only 5 Order instances will
be created by Hibernate, but duplicates of the SQL resultset are
...
How to check if a symlink exists
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337
-L returns true if the "file" exists and is a symbolic link (the linked file may or may not ex...
Convert sqlalchemy row object to python dict
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36 Answers
36
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Automatically plot different colored lines
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131
You could use a colormap such as HSV to generate a set of colors. For example:
cc=hsv(12);
fig...
How to manage a redirect request after a jQuery Ajax call
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32 Answers
32
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