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Difference between a theta join, equijoin and natural join

... created by various vendors such as Microsoft's SQL Server, Oracle's MySQL etc. ) don't even bother supporting this, it is just bad practice (or purposely chose not to implement it). Imagine that a developer comes and changes the name of the second column in Product from Price to Cost. Then all the ...
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?

... To get MD5 value and SHA1...etc fallow this below: Before this dont forget to copy the debug.keystore to a folder Androidkeystore like that created in C drive. C:\Program Files\Java\jdk1.7.0_05\bin>keytool -v -list -keystore C:\Androidkeyst ore\deb...
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What is the best way to force yourself to master vi? [closed]

...hrough a document, and how edit actions are recorded with motion commands, etc, etc. After that, things will be MUCH clearer. Then, start doing quick, minor edits with it (notepad-replacement stuff) 'till you are comfortable enough to do useful editing at a rapid clip. Then try doing your day-to-...
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Group By Multiple Columns

...ry helpful. I find the use of an aggregate function (i.e., MAX, MIN, SUM, etc.) side-by-side with grouping to be a common scenario. – barrypicker Jan 24 '14 at 18:44 ...
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How to delete files older than X hours

...*' will not delete files that have no extension, such as README, Makefile, etc. – MestreLion Feb 20 '19 at 17:53 If yo...
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What does “zend_mm_heap corrupted” mean

...could also be a bad environment (lib version mismatch, wrong dependencies, etc.) – Fractalizer Jul 31 '18 at 5:34 2 ...
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no acceptable C compiler found in $PATH when installing python

... the methods of installing build-essential, which contains gcc, g++, make, etc. – Spectral Jul 9 '14 at 20:06 2 ...
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log all sql queries

...ies generated by a given page. As well as stacktraces of where they occur etc. EDIT: to log all SQL queries to a file etc, then you will want to create some middleware. Middleware gets run on every request. There are several Django snippets out there for this sort of thing: http://djangosnippe...
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Is SonarQube Replacement for Checkstyle, PMD, FindBugs?

...anything easily. The statistics it offers are very detailed (lines of code etc). And it even offers great support for test coverage etc :) Here you can take a good look: http://nemo.sonarsource.org/ share | ...
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Use Visual Studio web.config transform for debugging [duplicate]

...o the web.config. For example it may delete a attributes, delete elements, etc. share | improve this answer | follow | ...