大约有 6,261 项符合查询结果（耗时：0.0130秒） [XML]
Sqlite primary key on multiple columns
...good practice for
all multi-column primary keys in any DBMS.
create table foo
(
fooint integer not null
,foobar string not null
,fooval real
,primary key (fooint, foobar)
)
;
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How to convert float to int with Java
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use either/or... (int)foo is simpler.
– yuttadhammo
Jul 12 '12 at 9:39
31
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Perforce for Git users? [closed]
...ync
3) Checkout the file you want to work on and modify it
p4 edit main/foo;
echo cake >> main/foo
4) Submit it to the server
p4 submit -d "A trivial edit"
5) Run p4 help simple to see the basic commands that you will need to work with Perforce.
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Create directory if it does not exist
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For the lazy, there is a shorthand: md -Force c:\foo\bar\baz
– Matthew Fellows
Dec 18 '14 at 11:36
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How do I get a list of all subdomains of a domain? [closed]
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The hint (using axfr) only works if the NS you're querying (ns1.foo.bar in your example) is configured to allow AXFR requests from the IP you're using; this is unlikely, unless your IP is configured as a secondary for the domain in question.
Basically, there's no easy way to do it if you...
Difference between java.io.PrintWriter and java.io.BufferedWriter?
...ntWriter out =
new PrintWriter(new BufferedWriter(new FileWriter("foo.out")));
will buffer the PrintWriter's output to the file. Without buffering, each invocation of a print() method would cause characters to be converted into bytes that would then be written immediately to the file, whic...
Get names of all keys in the collection
...ng collection so as to find all the keys:
db[mr.result].distinct("_id")
["foo", "bar", "baz", "_id", ...]
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How to get multiple select box values using jQuery?
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jQuery .val()
var foo = $('#multiple').val();
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How to disable python warnings
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There's the -W option.
python -W ignore foo.py
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Finding the id of a parent div using Jquery
... I really like closest because you can do something like .closest("div.foo") and code is not tied to the structure.
– Mark
Feb 13 '09 at 15:10
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