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What is array to pointer decay?
... has decayed to be assigned to the parameter.
1 The constant U should be known at compile-time.
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Cannot change column used in a foreign key constraint
...REIGN KEY fk_fav_food_person_id,
MODIFY person_id SMALLINT UNSIGNED;
Now you can change you person_id
ALTER TABLE person MODIFY person_id SMALLINT UNSIGNED AUTO_INCREMENT;
recreate foreign key
ALTER TABLE favorite_food
ADD CONSTRAINT fk_fav_food_person_id FOREIGN KEY (person_id)
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Why are ToLookup and GroupBy different?
...different. Calling ToLookup means I want a cache of the entire thing right now organized by group. Calling GroupBy means "I am building an object to represent the question 'what would these things look like if I organized them by group?'"
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How to get a index value from foreach loop in jstl
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I need to know the index[location] of each element comes in the String Array.
– Java Questions
Sep 16 '13 at 11:10
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C# DLL config file
...g with this issue for about two days, and didn't get it to work until just now. As debugging a test the ConfigurationManager was reading from the machine.config -I think-, since the connection strings pulled out were about SQLExpress -connection string I didn't have listed-.
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Should I hash the password before sending it to the server side?
... should be used in any authenticated session.
There is really no need to know what an original password is. All that is required is a reliable way to generate (and reliably re-generate) an authentication "key" based on the original text chosen by the user. In an ideal world this text should immed...
What to do about a 11000 lines C++ source file?
...uble very fast.
Insert a new cpp class above the original main class. For now, it would basically redirect all calls to the current main class, but aim at making the API of this new class as clear and succinct as possible.
Once this has been done, you get the possibility to add new functionalities...
Are multiple `.gitignore`s frowned on?
...ypically wind up with a fair bit of duplication.
Pro multiple
Scopes "knowledge" to the part of the file tree where it is needed.
Since Git only tracks files, an empty .gitignore is the only way to commit an "empty" directory.
(And before Git 1.8, the only way to exclude a pattern like my/**.ex...
How to iterate over associative arrays in Bash
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This is now if assign all keys to an array: array=(${!hash[@]})
– Michael-O
Jun 6 '13 at 10:54
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How Do I Fetch All Old Items on an RSS Feed?
... like this talked about as an extension to the ATOM protocol, but I don't know if it is actually implemented anywhere.
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