大约有 11,642 项符合查询结果（耗时：0.0300秒） [XML]
How to make MySQL handle UTF-8 properly
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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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Removing whitespace from strings in Java
...haracter
\W = Anything that isn't a word character (including punctuation etc)
\s = Anything that is a space character (including space, tab characters etc)
\S = Anything that isn't a space character (including both letters and numbers, as well as punctuation etc)
(Edit: As pointed out, you need...
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_...
How to give Jenkins more heap space when it´s started as a service under Windows?
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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...
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...
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...
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...
SQL update query using joins
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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...
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...