大约有 42,000 项符合查询结果(耗时:0.0509秒) [XML]
SQLAlchemy: how to filter date field?
..., once it's DateTime or timestamp - it's usually finished with 00:00 (both MySQL & PostgreSQL do this). More generic solution is not to cast, but to set the date you are sending to it's .endOfDay() so you actually send 1988-01-17 23:59:59 to the database compare :)
– jave.w...
MySQLDump one INSERT statement for each data row
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Use:
mysqldump --extended-insert=FALSE
Be aware that multiple inserts will be slower than one big insert.
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mysqli or PDO - what are the pros and cons? [closed]
In our place we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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Java client certificates over HTTPS/SSL
...te server, using a client certificate.
The server is using an selfsigned root certificate, and requires that a password-protected client certificate is presented. I've added the server root certificate and the client certificate to a default java keystore which I found in /System/Library/Framewor...
Hibernate Criteria returns children multiple times with FetchType.EAGER
...t the result transformer:
criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
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List All Redis Databases
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There is no command to do it (like you would do it with MySQL for instance). The number of Redis databases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the following command to kn...
A cron job for rails: best practices?
... How do you call this from the console? I did load "#{Rails.root}/lib/tasks/cron.rake" and rake cron, but got NameError: undefined local variable or method `cron' for main:Object
– B Seven
Jul 22 '11 at 15:40
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MongoDB relationships: embed or reference?
...user made a comment -> comment has a "made by" reference to user)
Is a "Root" in you application. (E.g. the blogpost -> there is a page about the blogpost)
Subdocument:
Can only be used once / is never a reference. (E.g. Comment is saved in the blogpost)
Is never a "Root" in you applicatio...
Vagrant ssh authentication failure
... You can do it by copy-and-pasting or using a tool like ssh-copy-id (user: root password: vagrant port: 2222) ssh-copy-id '-p 2222 root@127.0.0.1'
If still does not work try this:
Remove insecure_private_key file from c:\Users\USERNAME\.vagrant.d\insecure_private_key
Run vagrant up (vagrant will...
Bash Templating: How to build configuration files from templates with Bash?
...th care, of course, since eval can execute arbitrary code. Running this as root is pretty much out of the question. Quotes in the template need to be escaped, otherwise they will be eaten by eval.
You can also use here documents if you prefer cat to echo
$ eval "cat <<< \"$(<template.t...
