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What's the difference between commit() and apply() in SharedPreferences
...nd apply() method from shared preference. When I use AVD 2.3 it shows no error, but when I run the code in AVD 2.1, apply() method shows error.
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How to delete a whole folder and content?
...ble NPE here : fileOrDirectory.listFiles() may return null if there is I/O error when reading the files. This is stated clearly in the documentation : developer.android.com/reference/java/io/File.html#listFiles()
– Brian Yencho
Mar 6 '18 at 15:51
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Are there legitimate uses for JavaScript's “with” statement?
...ck"
Declaring a closure in a loop is a common task where this can lead to errors:
for (var i=0; i<3; ++i)
{
var num = i;
setTimeout(function() { alert(num); }, 10);
}
Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functi...
Search code inside a Github project
...you forget to put the right search selector (here "Code"), you will get an error message:
"Invalid search query. Try quoting it."
the error message doesn't help you at all.
No amount of "quoting it" will get you out of this error.
once you get that error message, you don't get the sections re...
IBOutlet and IBAction
...then that code would read id UIlabel *namelabel; which produces a compiler error. As I originally stated, IBOutlet resolves to nothing.
– Jasarien
Aug 20 '12 at 11:25
add a co...
How to debug PDO database queries?
...ated SQL queries in PHP by concatenating strings. If I got database syntax error, I could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code.
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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
How do I read and parse an XML file in C#?
... @GabrielGarcia true, sometimes beginner would stuck at missing include's error
– Anonymous
Jan 22 at 7:53
1
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Can I query MongoDB ObjectId by date?
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I get ReferenceError: ObjectId is not defined. How do i fix that?
– peter
Mar 18 '13 at 6:17
3
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Undo git reset --hard with uncommitted files in the staging area
I am trying to recover my work. I stupidly did git reset --hard , but before that I've done only get add . and didn't do git commit . Please help! Here is my log:
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