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Why (0-6) is -6 = False? [duplicate]

...is. For instance, PyPy implemented the id of integer to return itself, so (0-6) is -6 is always true even if they are "different objects" internally; it also allows you to configure whether to enable this integer caching, and even set the lower and upper bounds. But in general, objects retrieved fro...
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Make the first letter uppercase inside a django template

... 208 Using Django built-in template filter called title {{ "myname"|title }} ...
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Use JavaScript to place cursor at end of text in text input element

...s as follows: <input id="search" type="text" value="mycurrtext" size="30" onfocus="this.value = this.value;" name="search"/> This works in both IE7 and FF3 share | improve this answ...
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How can I wait for set of asynchronous callback functions?

... specific with your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an array and keeping track of w...
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column

... and I want to add two new columns to a dataframe df with n columns (n > 0). These new columns result from the application of a function to one of the columns in the dataframe. ...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

... 2130 Real, User and Sys process time statistics One of these things is not like the other. Real ref...
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How can I display just a portion of an image in HTML/CSS?

Let's say I want a way to display just the the center 50x50px of an image that's 250x250px in HTML. How can I do that. Also, is there a way to do this for css:url() references? ...
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How do I profile memory usage in Python?

...ex Count % Size % Cumulative % Kind (class / dict of class) 0 25773 53 1612820 49 1612820 49 str 1 11699 24 483960 15 2096780 64 tuple 2 174 0 241584 7 2338364 72 dict of module 3 3478 7 222592 7 2560956 78 types.CodeType 4 3...
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Why were pandas merges in python faster than data.table merges in R in 2012?

... 120 It looks like Wes may have discovered a known issue in data.table when the number of unique stri...
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Validating parameters to a Bash script

... 10 Answers 10 Active ...