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Extract a number from a string (JavaScript)

... @shiplu.mokadd.im: I don't see any reference to #box2_col3 in the question. – georg Apr 4 '12 at 1:30 1 ...
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Case-insensitive search in Rails model

...validates :name, presence: true, uniqueness: {case_sensitive: false} the index (answer from Case-insensitive unique index in Rails/ActiveRecord?): execute "CREATE UNIQUE INDEX index_products_on_lower_name ON products USING btree (lower(name));" I wish there was a more beautiful way to do the fi...
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Prevent screen rotation on Android

...g: Store your current screen orientation inside your activity using getRequestedOrientation(). Disable auto screen orientation using setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR). Run/execute your AsyncTask. At the end of your AsyncTask restore your previous orientation status ...
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How do I include a file over 2 directories back?

...nclude a file that is more than 2 directories back. I know you can use ../index.php to include a file that is 2 directories back, but how do you do it for 3 directories back? Does this make sense? I tried .../index.php but it isn't working. ...
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Intelligent way of removing items from a List while enumerating in C#

...from it then I suggest simply using a while loop instead of a foreach var index = 0; while (index < myList.Count) { if (someCondition(myList[index])) { myList.RemoveAt(index); } else { index++; } } share ...
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How to display pandas DataFrame of floats using a format string for columns?

...= pd.DataFrame([123.4567, 234.5678, 345.6789, 456.7890], index=['foo','bar','baz','quux'], columns=['cost']) print(df) yields cost foo $123.46 bar $234.57 baz $345.68 quux $456.79 but this only works if you want every float to be formatted with a d...
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Python pandas: fill a dataframe row by row

...of the elements) In [7]: df = pandas.DataFrame(columns=['a','b','c','d'], index=['x','y','z']) In [8]: df.loc['y'] = pandas.Series({'a':1, 'b':5, 'c':2, 'd':3}) In [9]: df Out[9]: a b c d x NaN NaN NaN NaN y 1 5 2 3 z NaN NaN NaN NaN ...
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Keep file in a Git repo, but don't track changes

... you do not want to be tracked and use the following command: git update-index --assume-unchanged FILE_NAME and if you want to track the changes again use this command: git update-index --no-assume-unchanged FILE_NAME git-update-index documentation ...
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Accessing elements of Python dictionary by index

...alues() on a dict to get a list of the inner dicts and thus access them by index. >>> mydict = { ... 'Apple': {'American':'16', 'Mexican':10, 'Chinese':5}, ... 'Grapes':{'Arabian':'25','Indian':'20'} } >>>mylist = list(mydict.values()) >>>mylist[0] {'American':'16', '...
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Adding div element to body or document in JavaScript

... += '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>'; instead of document.body.innerHTML = '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>'; Edit:- Ideally you ...