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A CORS POST request works from plain JavaScript, but why not with jQuery?

...t was the case for me in FF 4.0 & Chrome 10.0.648.204). jQuery's $.ajax method sends the "x-requested-with" header for all cross domain requests (i think its only cross domain). So the missing header needed to respond to the OPTIONS request is: //no longer needed as of jquery 1.5.2 Access-Con...
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Select SQL Server database size

...mb total_size_mb -------------- ------------ ------------- ------------- xxxxxxxxxxx 512.00 302.81 814.81 -- sp_spaceused database_name database_size unallocated space ---------------- ------------------ ------------------ xxxxxxxxxxx 814.81 MB 13.04 MB Fun...
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Cannot install Lxml on Mac os x 10.9

I want to install Lxml so I can then install Scrapy. 23 Answers 23 ...
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How to count the frequency of the elements in an unordered list?

... 1 2 Next 155 ...
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Android: Generate random color on click?

... Random rnd = new Random(); paint.setARGB(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256)); or Random rnd = new Random(); int color = Color.argb(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256)); view.setBackgroundColor(color); Though in your case i...
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How do you round a floating point number in Perl?

...t route. printf("%.3f", 3.1415926535); # prints 3.142 The POSIX module (part of the standard Perl distribution) implements ceil(), floor(), and a number of other mathematical and trigonometric functions. use POSIX; $ceil = ceil(3.5); # 4 $floor = f...
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C# list.Orderby descending

... Sure: var newList = list.OrderByDescending(x => x.Product.Name).ToList(); Doc: OrderByDescending(IEnumerable, Func). In response to your comment: var newList = list.OrderByDescending(x => x.Product.Name) .ThenBy(x => x.Product.Price) ...
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Replacing Pandas or Numpy Nan with a None to use with MysqlDB

...null(df), None) Note: this changes the dtype of all columns to object. Example: In [1]: df = pd.DataFrame([1, np.nan]) In [2]: df Out[2]: 0 0 1 1 NaN In [3]: df1 = df.where(pd.notnull(df), None) In [4]: df1 Out[4]: 0 0 1 1 None Note: what you cannot do recast the DataFr...
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Pandas convert dataframe to array of tuples

...out: subset = data_set[['data_date', 'data_1', 'data_2']] tuples = [tuple(x) for x in subset.to_numpy()] for pandas < 0.24 use tuples = [tuple(x) for x in subset.values] share | improve thi...
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Create space at the beginning of a UITextField

I want to leave a bit of space at the beginning of a UITextField, just like here: Add lefthand margin to UITextField 21 An...