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What does “=>” mean in PHP?
...ke "a => b" means, for an associative array (some languages, like Perl, if I remember correctly, call those "hash"), that 'a' is a key, and 'b' a value.
You might want to take a look at the documentations of, at least:
foreach
arrays
Here, you are having an array, called $user_list, and you ...
Image fingerprint to compare similarity of many images
...ta. The dimensional nature of the information must be taken into account.
If you need extremely robust fingerprinting, such that affine transformations (scaling, rotation, translation, flipping) are accounted for, you can use a Radon transformation on the image source to produce a normative mapping...
Entity Framework 5 Updating a Record
I have been exploring different methods of editing/updating a record within Entity Framework 5 in an ASP.NET MVC3 environment, but so far none of them tick all of the boxes I need. I'll explain why.
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How to prevent going back to the previous activity?
When the BACK button is pressed on the phone, I want to prevent a specific activity from returning to its previous one.
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Advantages to Using Private Static Methods
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I'd go as far as saying: "If a method doesn't need state access (this), make it static" as a general rule.
– DanMan
Mar 4 '15 at 14:09
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Conveniently map between enum and int / String
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Really and truly read the question. If you're dealing with a legacy database or external system that has defined integers that you don't want to propagate through your own code, then this is exactly one of those cases. The ordinal is an extremely fragile way t...
A 'for' loop to iterate over an enum in Java
...tion for each element of this stream, in the encounter order of the stream if the stream has a defined encounter order. So forEach does not guarantee that the order would be kept.
Also when working with streams (especially parallel ones) keep in mind the nature of streams. As per the doc:
Stream ...
How can I expand the full path of the current file to pass to a command in Vim?
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@keflavich :help filename-modifiers
– Annika Backstrom
Jan 25 '12 at 3:38
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Encoding Javascript Object to Json string
...ncode a Javascript object into a JSON string and I am having considerable difficulties.
2 Answers
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What is IP address '::1'?
...0:0000:0000:0000:0001 but we have some short form representation for this. If there are all zeroes in a single block you can replace it by single 0. So it becomes -> 0:0:0:0:0:0:0:0001.
Again we can see that we have runs of zeroes, they can be eliminated and we get
-> ::0001 -> ::1 .
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