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How to insert an item into an array at a specific index (JavaScript)?
...t, that is, it's just an insert).
In this example we will create an array and add an element to it into index 2:
var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";
console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr....
How to check for valid email address? [duplicate]
...e sure it is a proper style email address? Been searching since last night and everybody that has answered peoples questions regarding this topic also seems to have problems with it if it is a subdomained email address.
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vector vs. list in STL
... different type of container:
What are the complexity guarantees of the standard containers?
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Get file name from URL
... In version commons-io 2.2 at least you still need to manually handle URLs with parameters. E.g. "example.com/file.xml?date=2010-10-20"
– Luke Quinane
Aug 13 '13 at 5:14
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difference between #if defined(WIN32) and #ifdef(WIN32)
... yeah, but you could also cascade #ifdef UNIX with #ifndef WIN32, and get the same flexibility (not as readable, I agree)
– jpinto3912
Nov 11 '09 at 11:42
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How can I use Python to get the system hostname?
...at program for a local network. I would like be able to identify computers and get the user-set computer name with Python.
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(Built-in) way in JavaScript to check if a string is a valid number
...ter-intuitive. +num converts empty strings or strings with spaces to zero, and isNaN() assumes the same:
+'' // 0
+' ' // 0
isNaN('') // false
isNaN(' ') // false
But parseInt() does not agree:
parseInt('') // NaN
parseInt(' ') // NaN
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How to programmatically round corners and set random background colors
I'd like to round the corners of a view and also change the color of the view based on the contents at runtime.
8 Answers
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Can Android do peer-to-peer ad-hoc networking?
Is it possible to set up Android in ad-hoc peer-to-peer wifi mode? For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited.
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What is a good Java library to zip/unzip files? [closed]
I looked at the default Zip library that comes with the JDK and the Apache compression libs and I am unhappy with them for 3 reasons:
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