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How to pass data from 2nd activity to 1st activity when pressed back? - android
...f (requestCode == 1) {
if(resultCode == RESULT_OK) {
String strEditText = data.getStringExtra("editTextValue");
}
}
}
If you can, also use SharedPreferences for sharing data between Activities.
...
Different ways of adding to Dictionary
...e value of the key if it already exists in the dictionary.
IDictionary<string, string> strings = new Dictionary<string, string>();
strings["foo"] = "bar"; //strings["foo"] == "bar"
strings["foo"] = string.Empty; //strings["foo"] == string.empty
strings.Add("foo", "bar"); ...
In Python, how can you load YAML mappings as OrderedDicts?
...- else
data is of type CommentedMap which functions like a dict, but has extra information that is kept around until being dumped (including the preserved comment!)
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Dynamically adding a form to a Django formset with Ajax
...ond to the situation after clicking the "add" button (change the number of extra fields).
Load the page, view the source and take a note of how the <input> fields changed.
Create some JavaScript which modifies the DOM in a suitable way to move it from the before state to the after state.
Attac...
Cast from VARCHAR to INT - MySQL
...ution. - - - - - - - - - - - - - Long Version: From the manual: To cast a string to a number, you normally need do nothing other than use the string value in numeric context Although I'd use +0 instead of *1 since addition is faster.
– Mindwin
Oct 24 '16 at 14...
How do C++ class members get initialized if I don't do it explicitly?
....
For objects, their default constructor is called. For example, for std::string, the default constructor sets it to an empty string. If the object's class does not have a default constructor, it will be a compile error if you do not explicitly initialize it.
For primitive types (pointers, ints, e...
Python Empty Generator Function
...ike this solution because it's (relatively) concise, and it doesn't do any extra work like comparing to False.
– Pi Marillion
Jan 24 '16 at 2:27
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Tablix: Repeat header rows on each page not working - Report Builder 3.0
...n the <TablixRowHierarchy>. I took my best guess as to which was the extra (one that wrapped the group) and removed it. This version failed to render, but the error message indicated that a row needed to have its <Repeat...> and <KeepWith...> settings changed to match the previous ...
How does delete[] know it's an array?
...oo;
then the memory space that's allocated for foo shouldn't include any extra overhead that would be needed to support arrays of Foo.
Since only array allocations are set up to carry the extra array size information, you then need to tell the runtime libraries to look for that information when y...
How to find files that match a wildcard string in Java?
This should be really simple. If I have a String like this:
16 Answers
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