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HashMap with multiple values under the same key
...ple.add(new Person("Bob Jones"));
peopleByForename.put("Bob", people);
// read from it
List<Person> bobs = peopleByForename["Bob"];
Person bob1 = bobs[0];
Person bob2 = bobs[1];
The disadvantage with this approach is that the list is not bound to exactly two values.
2. Using wrapper class
...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
...etc/init.d/apparmor reload
WARNING: the change above will allow MySQL to read and write to the /data directory. We hope you've already considered the security implications of this.
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'Operation is not valid due to the current state of the object' error during postback
...ys" value="2001" />
</appSettings>
For more information please read this post. For more insight into the security patch by microsoft you can read this Knowledge base article
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imp...
How do I rename an open file in Emacs?
...
(if (get-buffer new-name)
(message "A buffer named '%s' already exists!" new-name)
(progn
(rename-file filename new-name 1)
(rename-buffer new-name)
(set-visited-file-name new-name)
(set-buffer-modified-p nil))))))
Take a look at tha...
Go to particular revision
...the branch name. (See Treeishes in the Git Community Book, which is a good read, to see other options for navigating your tree.)
git log has a whole set of options to display detailed or summary history too.
I don't know of an easy way to move forward in a commit history. Projects with a linear hi...
How can I delete a newline if it is the last character in a file?
...e whitespace characters other than trailing newlines.)
Since this approach reads the entire input file into memory, it is only advisable for smaller files.
printf %s ensures that no newline is appended to the output (it is the POSIX-compliant alternative to the nonstandard echo -n; see http://pubs.o...
RESTful Services - WSDL Equivalent
I have been reading about REST and SOAP, and understand why implementing REST can be beneficial over using a SOAP protocol. However, I still don't understand why there isn't the "WSDL" equivalent in the REST world. I have seen posts saying there is "no need" for the WSDL or that it would be redund...
On design patterns: When should I use the singleton?
...e locators and client side UI's also being possibly "acceptable" choices.
Read more at Singleton I love you, but you're bringing me down.
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Declare a const array
...
Yes, but you need to declare it readonly instead of const:
public static readonly string[] Titles = { "German", "Spanish", "Corrects", "Wrongs" };
The reason is that const can only be applied to a field whose value is known at compile-time. The array ini...
How to avoid circular imports in Python? [duplicate]
...sue of circular imports in python has come up many times before and I have read these discussions. The comment that is made repeatedly in these discussions is that a circular import is a sign of a bad design and the code should be reorganised to avoid the circular import.
...