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MySQL SELECT only not null values

Is it possible to do a select statement that takes only NOT NULL values? 9 Answers 9 ...
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How to ignore SVN folders in WinMerge?

...ersion housekeeping directories d: \\.svn$ d: \\._svn$ Save it, then when selecting items to merge, select the filter you defined from the Select Files or Folders dialog box. Bonus points: It will save this and use it as a default for future merges. ...
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Pycharm: run only part of my Python file

... easier way. go to File -> Settings -> Keymap Search for Execute Selection in Console and reassign it to a new shortcut, like Crl + Enter. This is the same shortcut to the same action in Spyder and R-Studio. sha...
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Replacement for “rename” in dplyr

... The next version of dplyr will support an improved version of select that also incorporates renaming: > mtcars2 <- select( mtcars, disp2 = disp ) > head( mtcars2 ) disp2 Mazda RX4 160 Mazda RX4 Wag 160 Datsun 710 108 Hornet 4 Drive 258 H...
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Iterator Loop vs index loop [duplicate]

...(it's modulo arithmetic, and x-1 may be bigger than x). You instead should cast the size to an integer before using it. It may make some sense to use unsigned sizes and indexes (paying a LOT of attention to every expression you write) only if you're working on a 16 bit C++ implementation (16 bit was...
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How do I get a list of column names from a psycopg2 cursor?

I would like a general way to generate column labels directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature. ...
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SQL - Query to get server's IP address

... SELECT CONNECTIONPROPERTY('net_transport') AS net_transport, CONNECTIONPROPERTY('protocol_type') AS protocol_type, CONNECTIONPROPERTY('auth_scheme') AS auth_scheme, CONNECTIONPROPERTY('local_net_address') AS loc...
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Is there a CSS parent selector?

How do I select the <li> element that is a direct parent of the anchor element? 33 Answers ...
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Is there an XSLT name-of element?

... This will give you the current element name (tag name) <xsl:value-of select ="name(.)"/> OP-Edit: This will also do the trick: <xsl:value-of select ="local-name()"/> share | impro...
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Error when trying to obtain a certificate: The specified item could not be found in the keychain

... I solved it. Ensure you are in the "Certificates" section and you select "Apple Worldwide Developer Relations Certification Authority" before requesting a certificate. share | improve this ...