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Convert string to variable name in python [duplicate]
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x='buffalo'
exec("%s = %d" % (x,2))
After that you can check it by:
print buffalo
As an output you will see:
2
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Media Player called in state 0, error (-38,0)
... are getting this error because you are calling mediaPlayer.start() before it has reached the prepared state.
Here is how you can do it :
mp.setDataSource(url);
mp.setOnPreparedListener(this);
mp.prepareAsync();
public void onPrepared(MediaPlayer player) {
player.start();
}
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Unable to copy ~/.ssh/id_rsa.pub
I’m following in Generating SSH Keys , it says
8 Answers
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Altering a column: null to not null
...Table] SET [Column]=0 WHERE [Column] IS NULL
Then, update the table definition to disallow "NULLs":
ALTER TABLE [Table] ALTER COLUMN [Column] INTEGER NOT NULL
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How to check if a String is numeric in Java
How would you check if a String was a number before parsing it?
39 Answers
39
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What is a “feature flag”?
High Scalability mentions feature flags here:
12 Answers
12
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Measuring execution time of a function in C++
...ant to make a speed comparison . I saw several time function but ended up with this from boost. Chrono:
11 Answers
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How can I extract embedded fonts from a PDF as valid font files?
I'm aware of the pdftk.exe utility that can indicate which fonts are used by a PDF, and wether they are embedded or not.
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How do I replace text inside a div element?
I need to set the text within a DIV element dynamically. What is the best, browser safe approach? I have prototypejs and scriptaculous available.
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Can't connect to MySQL server error 111 [closed]
...erver on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
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