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How to perform Callbacks in Objective-C
How to perform call back functions in Objective-C?
5 Answers
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Npm install failed with “cannot run in wd”
I am trying to get my node environment set up on a new Ubuntu 12.04 instance, with Node 0.8.14 already installed, but I ran into problems when I try to run npm install .
So when I try npm install , it says that I need to run it as root or adminisrator:
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How to stop a PowerShell script on the first error?
I want my PowerShell script to stop when any of the commands I run fail (like set -e in bash). I'm using both Powershell commands ( New-Object System.Net.WebClient ) and programs ( .\setup.exe ).
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Why use argparse rather than optparse?
I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse .
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“used as value” in function call
What's the proper way of calling functions when evaluating their values in conditional statements?
1 Answer
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How do I split a string into an array of characters? [duplicate]
I want to string.split a word into array of characters.
8 Answers
8
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What exactly is Java EE?
I have been doing Java SE for some years now and moving on to Java EE. However, I have some trouble understanding some aspects of Java EE.
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Why do Java webapps use .do extension? Where did it come from?
I have always wondered why so many Java developers use ".do" as the extension for their web controller (MVC) resources. Example: http://example.com/register.do
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What is the difference between Linq to XML Descendants and Elements
I have came across both these keywords in the VS IntelliSense. I tried to googling the difference between them and did not get a clear answer. Which one of these have the best performance with small to medium XML files. Thanks
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What is hashCode used for? Is it unique?
I notice there is a getHashCode() method in every controls, items, in WP7, which return a sequence of number. Can I use this hashcode to identify an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specifi...