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Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
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How can I uninstall an application using PowerShell?
... simple way to hook into the standard ' Add or Remove Programs ' functionality using PowerShell to uninstall an existing application ? Or to check if the application is installed?
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How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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How to tell if browser/tab is active [duplicate]
...page is in the foreground, i.e. the user hasn't minimized the browser or switched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU-intensive, so I don't want to just waste cycles in the background.
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MIN and MAX in C
...(((X) < (Y)) ? (X) : (Y)), especially if you plan to deploy your code. Either write your own, use something like standard fmax or fmin, or fix the macro using GCC's typeof (you get typesafety bonus too) in a GCC statement expression:
#define max(a,b) \
({ __typeof__ (a) _a = (a); \
__...
Is it .yaml or .yml?
...ve them, remember) -- in other systems they're only conventional (UNIX and its ilk), while in still others they have definite semantics and in some cases specific limits on length or character content (Windows, etc.).
Since the maintainers have asked that you use ".yaml", that's as close to an "off...
Semicolon before self-invoking function? [duplicate]
What is the benefit of using semicolon before a self-invoking function in JavaScript? I saw this approach in few popular jQuery plugins and I'm curious to find if this is the next awesome thing in JavaScript that I don't know.
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How to differentiate between time to live and time to idle in ehcache
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timeToIdleSeconds enables cached object to be kept in as long as it is requested in periods shorter than timeToIdleSeconds. timeToLiveSeconds will make the cached object be invalidated after that many seconds regardless of how many times or when it was requested.
Let's say that timeToIdle...
Moving UITabBarItem Image down?
Normally on each tab of a UITabBar you have a small image and a title naming the tab. The image is positioned/centred towards the top of the tab to accommodate the title underneath. My question is: if you want to have a tabBar with just an image and no title is there a way to move the image down ...
Fatal error: Class 'ZipArchive' not found in
...' on Linux server, but when I try to run the script to create the zip file it gives the fatal error
19 Answers
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