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Parsing domain from a URL
...use example.com, php displays a notice: Message: Undefined index: host any ideas to fix this?
– Zim3r
Dec 23 '12 at 9:58
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What does the Java assert keyword do, and when should it be used?
...can do is to prove that you at least find every bug when it happens.
This idea is based on the Design-by-Contract (DbC) paradigm: you first define (with mathematical precision) what your method is supposed to do, and then verify this by testing it during actual execution. Example:
// Calculates th...
Can you help me understand this? “Common REST Mistakes: Sessions are irrelevant”
...in and password each time and thus also once, which makes sense. Then, the idea to return to the client the successful login state in the form of a token is suggested. If needed, the token could encode the time of creation. We are certainly allowed to return information back to the client. So, thi...
How to remove a field from params[:something]
...I am using Rails 4.0, and model_params.delete :key_name doesn't work - any idea why?
– Zorayr
Oct 22 '13 at 5:54
13
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
...es are supported in that syntax, not 2, iiuc.
Adding the 4th seems a good idea. Let's say we add full=TRUE or both=TRUE or merge=TRUE (not sure the best argument name?) then it hadn't occurred to me before that X[Y,j,merge=TRUE] would be useful for the reasons after the BUT in FAQ 1.12. New feature...
Java LinkedHashMap get first or last entry
...a reflection.
Because the implementation may change it is probably a good idea to have a fallback strategy too. You may want to log something if an exception is thrown so you know that the implementation has changed.
It could look like:
public static <K, V> Entry<K, V> getFirst(Map<...
How to generate keyboard events in Python?
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i like this idea so far. i cant find a list of the VK_Key's, and could you maybe put up an example function call.
– Inbar Rose
Nov 29 '12 at 7:41
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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good idea, but you should fix your answer using pow instead of ^ (which is the logical xor operator, not power, in C language).
– kriss
Jun 20 '13 at 14:20
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Best data type for storing currency values in a MySQL database
...s as integers (some even go so far as to say it's the only way). To get an idea, take the amount of the transactions (let's suppose $100.23) and multiple by 100, 1000, 10000, etc. to get the accuracy you need. So if you only need to store cents and can safely round up or down, just multiply by 100. ...
Remove file extension from a file name string
...lPath))
but I'm looking for simpler way to do that. Does anyone have any idea?
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