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iPhone UITextField - Change placeholder text color

...orUndefinedKey:]: this class is not key value coding-compliant for the key _field. – i_am_jorf Apr 9 '14 at 19:27  |  show 10 more comments ...
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Get city name using geolocation

...ake an educated guess as to which one will have the city. "administrative_area_level_1" is usually what you are looking for but sometimes locality is the city you are after. Anyhow - more details on google response types can be found here and here. Below is the code that should do the trick: &...
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How do I keep Python print from adding newlines or spaces? [duplicate]

... You can from __future__ import print_function in Python 2.6 – jfs Nov 2 '08 at 18:10 14 ...
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How to generate a random string in Ruby

...).chr }.join I spend too much time golfing. (0...50).map { ('a'..'z').to_a[rand(26)] }.join And a last one that's even more confusing, but more flexible and wastes fewer cycles: o = [('a'..'z'), ('A'..'Z')].map(&:to_a).flatten string = (0...50).map { o[rand(o.length)] }.join ...
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?

...t to you, but it's not the case here @Toolkit – Arion_Miles Oct 21 '18 at 6:29 1 This is not real...
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?

...ds.size; if ((NSFoundationVersionNumber <= NSFoundationVersionNumber_iOS_7_1) && UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)) { return CGSizeMake(screenSize.height, screenSize.width); } return screenSize; } ...
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

...rrays causes the two arrays to be evaluated in boolean context (by calling __bool__ in Python3 or __nonzero__ in Python2). Your original code mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate)) selected = r[mask] looks correct. However, if you do want and, then instead of a and b u...
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Using numpy to build an array of all combinations of two arrays

... TypeError: slice indices must be integers or None or have an __index__ method thrown by cartesian(arrays[1:], out=out[0:m,1:]) – Boern Sep 25 '17 at 15:48 ...
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How can I match a string with a regex in Bash?

...n the comment above, We need to store the regex on a var The variable BASH_REMATCH is set after you match the expression, and ${BASH_REMATCH[n]} will match the nth group wrapped in parentheses ie in the following ${BASH_REMATCH[1]} = "compressed" and ${BASH_REMATCH[2]} = ".gz" if [[ "compressed.gz...
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SQL Server Index Naming Conventions [closed]

...me indexes for SQL Server? It seems that the primary key index is named PK_ and non-clustered indexes typically start with IX_. Are there any naming conventions beyond that for unique indexes? ...