大约有 47,000 项符合查询结果（耗时：0.1200秒） [XML]
Programm>me m>r-friendly search engine? [closed]
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add a comm>me m>nt
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4
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How to refer to relative paths of resources when working with a code repository
...ng with a code repository which is deployed to both Windows and Linux - som>me m>tim>me m>s in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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How to make MySQL handle UTF-8 properly
... and utf8mb4_unicode_ci collation.
To alter database:
ALTER DATABASE dbnam>me m> CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
See:
Aaron's comm>me m>nt on this answer How to make MySQL handle UTF-8 properly
What's the difference between utf8_general_ci and utf8_unicode_ci
Conversion guide: https:/...
Rails: What's a good way to validate links (URLs)?
...ng TLDs. Indeed, the solution would work if you want to validate the hostnam>me m>, not the domain because the following one is a valid hostnam>me m>
http://host.foo
as well the following one
http://localhost
Now, let m>me m> give you som>me m> solutions.
If you want to validate a domain, then you need to forget abou...
How to get ID of the last updated row in MySQL?
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I've found an answer to this problem :)
SET @update_id := 0;
UPDATE som>me m>_table SET column_nam>me m> = 'value', id = (SELECT @update_id := id)
WHERE som>me m>_other_column = 'blah' LIMIT 1;
SELECT @update_id;
EDIT by aefxx
This technique can be further expanded to retrieve the ID of every row affected...
uint8_t vs unsigned char
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It docum>me m>nts your intent - you will be storing small numbers, rather than a character.
Also it looks nicer if you're using other typedefs such as uint16_t or int32_t.
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Calculate the execution tim>me m> of a m>me m>thod
I have an I/O tim>me m>-taking m>me m>thod which copies data from a location to another. What's the best and most real way of calculating the execution tim>me m>? Thread ? Tim>me m>r ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible.
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How can I disable logging while running unit tests in Python Django?
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This may be obvious but I find it helpful to som>me m>tim>me m>s state the obvious for the benefit of other readers: You would put the call to logging.disable (from the accepted answer) at the top of tests.py in your application that is doing the logging.
– CJ...
What is the easiest way to duplicate an activerecord record?
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To get a copy, use the clone (or dup for rails 3.1+) m>me m>thod:
# rails < 3.1
new_record = old_record.clone
#rails >= 3.1
new_record = old_record.dup
Then you can change whichever fields you want.
ActiveRecord overrides the built-in Object#clone to give you a new (not s...
This Handler class should be static or leaks might occur: IncomingHandler
...t will have a reference to your Service object.
Handler objects for the sam>me m> thread all share a common Looper object, which they post m>me m>ssages to and read from.
As m>me m>ssages contain target Handler, as long as there are m>me m>ssages with target handler in the m>me m>ssage queue, the handler cannot be garbag...