大约有 42,000 项符合查询结果（耗时：0.0290秒） [XML]
ActiveRecord.find(array_of_ids), preserving order
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The answer is for mysql only
There is a function in mysql called FIELD()
Here is how you could use it in .find():
>> ids = [100, 1, 6]
=> [100, 1, 6]
>> WordDocument.find(ids).collect(&:id)
=> [1, 6, 100]
>> WordD...
How to use index in select statement?
...swer your specific question you have to specify the DB you are using.
For MySQL, you want to read the Index Hint Syntax documentation on how to do this
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Pretty printing XML with javascript
...t;
When applying this transformation on the provided XML document:
<root><node/></root>
most XSLT processors (.NET XslCompiledTransform, Saxon 6.5.4 and Saxon 9.0.0.2, AltovaXML) produce the wanted result:
<root>
<node />
</root>
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How can I connect to Android with ADB over TCP? [closed]
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Manual Process
From your device, if it is rooted
According to a post on xda-developers, you can enable ADB over Wi-Fi from the device with the commands:
su
setprop service.adb.tcp.port 5555
stop adbd
start adbd
And you can disable it and return ADB to listening on U...
jQuery dot in ID selector? [duplicate]
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Use the escaping rules from the jQuery selectors API as follows:
$('#root\\.SomeCoolThing')
From the docs:
To use any of the meta-characters (such as
!"#$%&'()*+,./:;<=>?@[\]^`{|}~) as a literal part of a name, it must
be escaped with with two backslashes: \\. For example...
Command not found when using sudo
...un a command using sudo you are effectively running it as the superuser or root.
The reason that the root user is not finding your command is likely that the PATH environment variable for root does not include the directory where foo.sh is located. Hence the command is not found.
The PATH enviro...
Do I need to create indexes on foreign keys on Oracle?
...int creates also an index... i.e. Jet Engine (MSAccess files, Firebird and MySQL)
– bubi
Apr 23 '15 at 15:19
17
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How to create a self-signed certificate for a domain name for development?
...n an elevated command prompt):
makecert.exe -n "CN=My Company Development Root CA,O=My Company,
OU=Development,L=Wallkill,S=NY,C=US" -pe -ss Root -sr LocalMachine
-sky exchange -m 120 -a sha1 -len 2048 -r
You can then create a certificate bound to your subdomain and signed by your new authority...
What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...that wouldn't do. DESTDIR worked like a charm for getting things into buildroot.
– Mr Redstoner
Feb 11 at 11:45
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
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You will need to have root access to do this. If you aren't already the administrative user, login as the administrator. Then use 'sudo' to change the permissions:
sudo chmod go-w /usr/local/bin
Obviously, that will mean you can no longer ins...