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get string value from HashMap depending on key name
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Suppose you declared HashMap as :-
HashMap<Character,Integer> hs = new HashMap<>();
Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :-
char tem...
How can I filter a Django query with a list of values?
...ble values from the list then you can't use =.
The sql query will be like SELECT * FROM mytable WHERE ids=[1, 3, 6, 7, 9] which is not true. You have to use in operator for this so you query will be like SELECT * FROM mytable WHERE ids in (1, 3, 6, 7, 9) for that Django provide __in operator.
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From Arraylist to Array
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The method toArray(T[]) in the type ArrayList<Character> is not applicable for the arguments (char[])
– Aaron Franke
Apr 2 '18 at 4:28
add a co...
How to run a method every X seconds
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Spot on! Using for checking MainActivitys current selected tab in TabLayout matches this fragment and if not stop work - as onPause() fails when any TabLayout selected tabs either side of this selected tab
– BENN1TH
Oct 20 '18 at 7:29
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How to handle checkboxes in ASP.NET MVC forms?
...each (var o in ViewData.Model) { %>
<input type="checkbox" name="selectedObjects" value="<%=o.Id%>">
<%= o.Name %>
<%}%>
<input type="submit" value="Submit" />
<%}%>
Your checkboxes are all called selectedObjects, and the value of each checkbox is...
iOS - Dismiss keyboard when touching outside of UITextField
... the view, and then call resign first responder on the UITextField on it's selector.
The code:
In viewDidLoad
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)];
[self.view addGestureRecognizer:tap];
In dismissKeyboard:
-(void)...
What do the following phrases mean in C++: zero-, default- and value-initialization?
...) {}; ~C(); int m; }; // non-POD, default-initialising m
int main()
{
char buf[sizeof(B)];
std::memset( buf, 0x5a, sizeof( buf));
// use placement new on the memset'ed buffer to make sure
// if we see a zero result it's due to an explicit
// value initialization
B* pB =...
What does the “map” method do in Ruby?
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map, along with select and each is one of Ruby's workhorses in my code.
It allows you to run an operation on each of your array's objects and return them all in the same place. An example would be to increment an array of numbers by one:
[...
Connect different Windows User in SQL Server Management Studio (2005 or later)
... use with the "runas" command.
Then, in SQL Management Studio 2005, just select the "Windows Authentication" and input the server you wanna connect to (even though the user that you can see greyed out is still the local user)... and it works!
Don't ask me why ! :)
Edit:
Make sure to include ":14...
Is ASCII code 7-bit or 8-bit?
My teacher told me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code?
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