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@RequestParam in Spring MVC handling optional parameters
...eUploader: {
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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Error while pull from git - insufficient permission for adding an object to repository database .git
...you are trying to clone a public repository from github.
example:
From: https://github.com/example/repository.git
To: https://github.com/example/repository
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How do you delete an ActiveRecord object?
...on condition
threshold_age = 20
User.where(age: threshold_age).delete_all
https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all
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What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...install also supports creating other types of package, e.g. RPM.
See also http://community.linuxmint.com/tutorial/view/162 and some basic checkinstall usage and debian checkinstall package.
*: If you're reading this after having installed with make install you can still follow the above instruct...
Is there a naming convention for MySQL?
...
MySQL has a short description of their more or less strict rules:
https://dev.mysql.com/doc/internals/en/coding-style.html
Most common codingstyle for MySQL by Simon Holywell:
http://www.sqlstyle.guide/
See also this question:
Are there any published coding style guidelines for SQL?
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Why would one omit the close tag?
...st sed/awk or regex-oneliners). In particular:
phptags tag tidier
https://fossil.include-once.org/phptags/
Which could generally be used to --unclose php tags for third-party code, or rather just fix any (and all) actual whitespace/BOM issues:
phptags --warn --whitespace *.php
It al...
What are good grep tools for Windows? [closed]
...h was written by one of the tortoisesvn guys. Does the job on Windows...
http://stefanstools.sourceforge.net/grepWin.html
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CSS table column autowidth
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How do you handle multiple submit buttons in ASP.NET MVC Framework?
...alue="Cancel" name="action:Cancel" />
</form>
and controller:
[HttpPost]
[MultipleButton(Name = "action", Argument = "Save")]
public ActionResult Save(MessageModel mm) { ... }
[HttpPost]
[MultipleButton(Name = "action", Argument = "Cancel")]
public ActionResult Cancel(MessageModel mm) {...