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How to make MySQL handle UTF-8 properly

... It didn't work in my case but I created file my.cf in /etc with given content anyway. I used create table my_name(field_name varchar(25) character set utf8); – Marek Bar Jul 9 '12 at 11:43 ...
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What's the difference between the data structure Tree and Graph?

...ented very compactly in an array; there are other succinct representations etc. etc.), but probably the most popular and useful way to represent them is using a recursive pointer-based structure. The representation is not unique for unrooted trees, but that is immaterial. – j_...
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How to give Jenkins more heap space when it´s started as a service under Windows?

... As of Ubuntu 16.04.6 LTS, there's no such file. The /etc/default/jenkins solution offered below by Steve is the one that works for me. – insideClaw Jan 24 at 11:14 ...
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Avoiding instanceof in Java

...o make the logic of "handle" part of each 'switching' class - i.e. Integer etc. in this case. Clearly this is not practical. Sometimes it isn't even logically the right place to put the code. He recommends the 'instanceof' approach as being the lesser of several evils. As with all cases where you a...
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Difference between a user and a schema in Oracle?

...other stuff. SYS is a schema that includes tons of tables, views, grants, etc etc etc. SYSTEM is a schema..... Technically -- A schema is the set of metadata (data dictionary) used by the database, typically generated using DDL. A schema defines attributes of the database, such as tables, colum...
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Read an Excel file directly from a R script

...at a time, although you can obviously loop over them all], included plots, etc.). But for a well-formed, rectangular spreadsheet with plain numbers and character data (i.e., not comma-formatted numbers, dates, formulas with divide-by-zero errors, missing values, etc. etc. ..) I generally have no pr...
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SQL update query using joins

... UPDATE im SET mf_item_number = gm.SKU --etc FROM item_master im JOIN group_master gm ON im.sku = gm.sku JOIN Manufacturer_Master mm ON gm.ManufacturerID = mm.ManufacturerID WHERE im.mf_item_number like 'STA%' AND gm.manufacturerID = 34 To make it cl...
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What is Ember RunLoop and how does it work?

...g else? All of the basic user events (e.g. keyboard events, mouse events, etc) will fire up the run loop. This guarantees that whatever changes made to bound properties by the captured (mouse/keyboard/timer/etc) event are fully propagated throughout Ember's data-binding system before returning cont...
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Is Zookeeper a must for Kafka?

...d to have some way to coordinating tasks, state management, configuration, etc across a distributed system. Some projects have built their own mechanisms (think of the configuration server in a MongoDB sharded cluster, or a Master node in an Elasticsearch cluster). Others have chosen to take advanta...
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What is a correct mime type for docx, pptx etc?

...sions's MIME in a JSON format. Just do example: MIME["ppt"], MIME["docx"], etc {"x3d": "application/vnd.hzn-3d-crossword", "3gp": "video/3gpp", "3g2": "video/3gpp2", "mseq": "application/vnd.mseq", "pwn": "application/vnd.3m.post-it-notes", "plb": "application/vnd.3gpp.pic-bw-large", "psb": "applic...