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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
....8})
This won't work:
a = dict(import='trade', 1=7.8)
>> SyntaxError: invalid syntax ^
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Xcode 4 - detach the console/log window
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Aha I see... In preferences->behaviours we can tell it to open a tab with a name which we happen to call "Debugger. Then when that first opens we can set it up to only have the output log (or whatever) and to be a separate window.
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Creating a zero-filled pandas data frame
...ng 0.0 to the desired fill number.
In [23]: %timeit d = pd.eval('orig_df > 1.7976931348623157e+308 + 0.0')
100 loops, best of 3: 3.68 ms per loop
Depending on taste, one can externally define nan, and do a general solution, irrespective of the particular float type:
In [39]: nan = np.nan
In [...
Global access to Rake DSL methods is deprecated
... That did not work for me. I had to actually remove rake 0.9.1 > gem uninstall rake -v=0.9.1 and then > bundle update Thanks Antonio
– user779350
Jun 1 '11 at 12:20
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Limiting the number of records from mysqldump?
...hing like this:
mysqldump --opt --where="1 limit 1000000" database table > dump.sql
This will dump the first 1000000 rows from the table named table into the file dump.sql.
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Visual Studio, debug one of multiple threads
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Yes.
In the Threads window (Debug -> Windows -> Threads) right-click the thread you want and select "switch to thread".
You can also choose "freeze" on the threads you don't want to debug in order to keep them from running. Don't forget to "thaw" them i...
What is the significance of load factor in HashMap?
...ollision occurs the lookup time increases, as in one bucket there will be >1 matching entries, for which the key must be individually checked for equality. Some detailed math: preshing.com/20110504/hash-collision-probabilities
– atimb
Mar 26 '14 at 20:48
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What's the difference between window.location= and window.location.replace()?
...cy and predictability.
Do the things that you can consistently do.
+"2" <-- this right here parses the string to a number. should you use it?
or should you use parseInt("2")?
what about var num =+"2"?
From what you have learn, from the minds of stackoverflow i am not too hopefully.
If you st...
How to view the list of compile errors in IntelliJ?
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To initially access the 'settings' - CTRL+ALT+S (or File > Settings)
– Chris Halcrow
May 22 '19 at 0:18
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Difference between web reference and service reference?
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Add Service Reference -> Advanced -> Add Web Reference... nothing like unintuitive solutions.
– Jagd
Oct 25 '10 at 16:53
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