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Can I set variables to undefined or pass undefined as an argument?
I’m a bit confused about JavaScript’s undefined and null values.
10 Answers
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How to silence output in a Bash script?
...ave a program that outputs to stdout and would like to silence that output in a Bash script while piping to a file.
9 Answe...
Android check internet connection [duplicate]
I want to create an app that uses the internet and I'm trying to create a function that checks if a connection is available and if it isn't, go to an activity that has a retry button and an explanation.
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iPhone system font
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To the delight of font purists
everywhere, the iPhone system
interface uses Helvetica or a variant
thereof.
The original iPhone, iPhone 3G and
iPhone 3GS system interface uses
Helvetica. As first noted by the
always excellent DaringFireball, the
iPhone 4 uses a subtly re...
How to deploy a war file in Tomcat 7
I have copied the sample.war file into the webapps directory of Tomcat, and I can access localhost:8080 .
12 Answers
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How can I save application settings in a Windows Forms application?
What I want to achieve is very simple: I have a Windows Forms (.NET 3.5) application that uses a path for reading information. This path can be modified by the user, by using the options form I provide.
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Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
...t(ia)
It takes an array ia and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper are propagated to the original array. This means that if you ...
How to switch databases in psql?
In MySQL , I used use database_name;
12 Answers
12
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Delete terminal history in Linux [closed]
When you use the up key in a Linux terminal, you can use previous commands again. Great feature. However, I started logging mysql into mysql with the sensitive details in the command.
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Nested defaultdict of defaultdict
...a way to make a defaultdict also be the default for the defaultdict? (i.e. infinite-level recursive defaultdict?)
7 Answers...