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Bash empty array expansion with `set -u`
...iable is considered set if a subscript has been assigned a value. The null string is a valid value.
No subscript has been assigned a value, so the array isn't set.
But while the documentation suggests an error is appropriate here, this is no longer the case since 4.4.
$ bash --version | head -n ...
AsyncTask and error handling on Android
...ing." When you get an exception, store the exception (or some other error-string/code) in this variable. When onPostExecute is called, see if this instance-variable is set to some error. If so, show an error message." (From the user "Streets of Boston" groups.google.com/group/android-developers...
How To Check If A Key in **kwargs Exists?
... can see, if prefix is not contained in kwargs, then the default '' (empty string) is being stored in the local prefix variable. If it is given, then its value is being used.
This is generally a compact and readable recipe for writing wrappers for any kind of function: Always just pass-through argu...
What to do on TransactionTooLargeException
...== null) {
state = new Bundle();
}
String key = "f" + i;
mFragmentManager.putFragment(state, key, f);
}
}
return state;
}
As you can see, even if you properly manage the fragments in the FragmentStatePagerAdapter subclass, the bas...
How to fix: “HAX is not working and emulator runs in emulation mode”
...ondering, the location of the installer file of HAXM is located in the sdk/extras/intel folder of your ADT bundle. Placing your cursor on the HAXM entry in your AVD Manager will reveal the exact location.
– Koh
Dec 14 '14 at 0:20
...
What's the difference between IEquatable and just overriding Object.Equals()?
...ng. The compiler can optimize away upcasts For example object o = (object)"string"; But downcasting - string s = (string)o; - must happen at runtime.
– Josh
Apr 29 '10 at 5:58
...
What is the best way to insert source code examples into a Microsoft Word document?
... This however does not automatically add style to keywords, numbers, strings etc.
– Bart
Jan 29 '16 at 12:46
@Ba...
Refreshing web page by WebDriver when waiting for specific condition
...nt ways to refresh a webpage using Selenium Webdriver
There is no special extra coding. I have just used the existing functions in different ways to get it work. Here they are :
Using sendKeys.Keys method
driver.get("https://accounts.google.com/SignUp");
driver.findElement(By.id("firstname-place...
Testing if a checkbox is checked with jQuery
...long story you have gone to far JQUERY want developer to write less and do extra more. simple problem deserve simple solution
– ShapCyber
Jul 1 '15 at 21:07
...
Why Collections.sort uses merge sort instead of quicksort?
...ast stable sort that guarantees O(n log n)
performance and requires O(n) extra space. In its day (it was written
in 1997 by Joshua Bloch), it was a fine choice, but today but we can
do much better.
Since 2003, Python's list sort has used an algorithm known as timsort
(after Tim Peters,...