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How to check if an int is a null
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primitives dont have null value. default have for an int is 0.
if(person.getId()==0){}
Default values for primitives in java:
Data Type Default Value (for fields)
byte 0
short 0
int 0...
Processing Symbol Files in Xcode
I was wondering if anyone could tell me what Xcode is actually doing when it says: "Processing Symbol Files" after plugging in your device?
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How can I push a local Git branch to a remote with a different name easily?
...es that are tracking, but that's fine. Thanks!
– jmacdonagh
Apr 21 '11 at 23:45
I'd be interested to know whether ther...
Change key pair for ec2 instance
How do I change the key pair for my ec2 instance in AWS management console? I can stop the instance, I can create new key pair, but I don't see any link to modify the instance's key pair.
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Preventing Laravel adding multiple records to a pivot table
...n your database, it would throw an exception during an attempt of saving a doublet.
You should also take a look at the more straightforward answer from Barryvdh just below.
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clear javascript console in Google Chrome
...n Chrome Canary.
If you type clear() into the console it clears it.
I don't think there is a way to programmatically do it, as it could be misused. (console is cleared by some web page, end user can't access error information)
one possible workaround:
in the console type window.clear = clear,...
Get the current script file name
...tension('bob.php')); // string(3) "bob"
var_dump(chopExtension('bob.i.have.dots.zip')); // string(15) "bob.i.have.dots"
Using standard string library functions is much quicker, as you'd expect.
function chopExtension($filename) {
return substr($filename, 0, strrpos($filename, '.'));
}
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Dictionary text file [closed]
...h language. I am trying to find a dictionary file that has a lot of words. Does anyone know of a good source? I tried many sources but they don't seem to have it.
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Use of Java's Collections.singletonList()?
...rns a list with one element. Why would I want to have a separate method to do that? How does immutability play a role here?
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What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
.../secure/asec/smdl2tmp1.asec
Edit/Update by Mathias Conradt (OP):
If you don't have root access, you need to mount the sdcard and remove it via pc:
/.android_secure/smdl2tmp1.asec
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