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How to get index of object by its property in JavaScript?
...ore abstract:
function findWithAttr(array, attr, value) {
for(var i = 0; i < array.length; i += 1) {
if(array[i][attr] === value) {
return i;
}
}
return -1;
}
var Data = [
{id_list: 2, name: 'John', token: '123123'},
{id_list: 1, name: 'Nick', tok...
Calculate a MD5 hash from a string
...string.
It works well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
16 Answers
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How to drop a database with Mongoose?
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edited Jan 20 '14 at 15:14
Der Hochstapler
18.4k1515 gold badges8282 silver badges124124 bronze badges
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Java Multiple Inheritance
...ach type of Animal - with as much control as you need over how each bit is set up.
Strategy Pattern alternative approach to composition
An alternative approach depending on what and how you are doing is to have the Animal base class contain an internal collection to keep the list of different beha...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...ome methods like String.Concat. For example, if you have a string variable set to null, C# won't replace it with String.Empty if you try to call a method on it.
– Botz3000
May 30 '12 at 10:32
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Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
...
I've been trying to get python set up for data mining on my Mac. I still haven't cracked this nut, but the most disappointing part so far has been installing Enthought Canopy Express and then learning they charge $199 for access to scikit-learn and nltk.
...
viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
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answered Nov 29 '09 at 20:36
Bryan HenryBryan Henry
7,95633 gold badges3131 silver badges3030 bronze badges
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Single vs Double quotes (' vs ")
...s then you have to.
My Convention
With this understanding of PHP I have set the convention (for myself and the rest of my company) that strings are to be represented as single quotes by default for server optimization. Double quotes are used within the string if a quotes are required such as Java...
SQL Data Reader - handling Null column values
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answered Nov 20 '09 at 17:25
marc_smarc_s
650k146146 gold badges12251225 silver badges13551355 bronze badges
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Difference between the Apache HTTP Server and Apache Tomcat? [closed]
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True. And many people still use an extra Apache setup besides their Tomcat.. which is unnecessary in most cases.
– Marco Schoolenberg
Jan 4 '17 at 16:20
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