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How do I check in SQLite whether a table exists?

...of the table to check. Documentation section for reference: Database File Format. 2.6. Storage Of The SQL Database Schema This will return a list of tables with the name specified; that is, the cursor will have a count of 0 (does not exist) or a count of 1 (does exist) ...
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Convert list to array in Java [duplicate]

...ce late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to the pre-sized version. Also passing pre-sized array is dangerous for a concurrent or synchronized collection as a data race is possib...
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can we use xpath with BeautifulSoup?

...slates CSS statements into XPath expressions, making your search for td.empformbody that much easier: from lxml.cssselect import CSSSelector td_empformbody = CSSSelector('td.empformbody') for elem in td_empformbody(tree): # Do something with these table cells. Coming full circle: BeautifulSo...
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How to search a string in multiple files and return the names of files in Powershell?

...ull syntax and the bottom shows terse syntax. Item (2) is a more concise form of the answers from Jon Z and manojlds, while item (1) is equivalent to the answers from vikas368 and buygrush. List FileInfo objects for all files containing pattern: Get-ChildItem -Recurse filespec | Where-Object { ...
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Searching for UUIDs in text with regex

... Version 4 UUIDs have the form xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B. e.g. f47ac10b-58cc-4372-a567-0e02b2c3d479. source: http://en.wikipedia.org/wiki/Uuid#Definition Therefore, this is t...
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Get property value from string using reflection

I am trying implement the Data transformation using Reflection 1 example in my code. 22 Answers ...
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libxml/tree.h no such file or directory

...r/lib/libxml2.dylib and for the iPhone, you'll want the /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.0.sdk/usr/lib/libxml2.dylib version. Since libxml2 is a .dylib (not a nice friendly .framework) we still have one more thing to do. Go to the Project build settings ...
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How to convert list of key-value tuples into dictionary?

..., but rather a 1916-length iterable. Once you actually have a list in the form you stated in your original question (myList = [('A',1),('B',2),...]), all you need to do is dict(myList). share | imp...
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MySQL: ignore errors when importing?

...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); }); $window.unbind('scroll', onScroll); } }; ...
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How do I make a batch file terminate upon encountering an error?

...rrorlevel% I have used this type of thing in the past for a multiple platform continuous integration script. share | improve this answer | follow | ...