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How to check programmatically if an application is installed or not in Android?
... layout
setContentView(R.layout.main_activity);
// Use package name which we want to check
boolean isAppInstalled = appInstalledOrNot("com.check.application");
if(isAppInstalled) {
//This intent will help you to launch if the package is already install...
Iterate all files in a directory using a 'for' loop
...ile you need to double the % signs.
for /r %%i in (*) do echo %%i
(thanks @agnul)
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“Find next” in Vim
To search forward in Vim for cake , I'd type /cake , but the cursor jumps to the first match when I press return. Is there a Vim command analogous to "find next"?
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Auto-reload browser when I save changes to html file, in Chrome?
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I assume you're not on OSX? Otherwise you could do something like this with applescript:
http://brettterpstra.com/watch-for-file-changes-and-refresh-your-browser-automatically/
There is also a plugin for chrome called "auto refresh plus" where you can specify a reload every x seconds:
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How to list npm user-installed packages?
How do I list the user-installed package ONLY in npm ? When I do npm -g list it outputs every package and their dependencies, which is not what I want.
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Biggest GWT Pitfalls? [closed]
... Long compile times, as your project grows so does the amount of time it takes to compile it. I've heard of reports of 20 minute compiles, but mine are on average about 1 minute.
Solution: Split your code into separate modules, and tell ant to only build it when it's changed. Also while developing,...
Rename multiple files based on pattern in Unix
...ll probably be the easiest.
Using one version of rename:
rename 's/^fgh/jkl/' fgh*
Using another version of rename (same as Judy2K's answer):
rename fgh jkl fgh*
You should check your platform's man page to see which of the above applies.
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Create a string with n characters
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The for loop will be optimized by the compiler. In such cases like yours you don't need to care about optimization on your own. Trust the compiler.
BTW, if there is a way to create a string with n space characters, than it's coded the same way like you just did.
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Difference between := and = operators in Go
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Inanc Gumus
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answered Jul 26 '13 at 21:25
zzzzzzzz
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IBOutlet and IBAction
...er that these variables and methods can be used in Interface builder to link UI elements to your code.
If you're not going to be using Interface Builder at all, then you don't need them in your code, but if you are going to use it, then you need to specify IBAction for methods that will be used in ...