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Why is “except: pass” a bad programming practice?
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Try to avoid passing in except blocks
When explicitly catching a small selection of specific exceptions, there are many situations in which we will be fine by simply doing nothing. In such cases, just having except SomeSpecificException: pass is just fine. Most of the time though, this is not th...
How do I put hint in a asp:textbox
How do I put a hint/placeholder inside a asp:TextBox? When I say a hint I mean some text which disappears when the user clicks on it. Is there a way to achieve the same using html / css?
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How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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How can I access and process nested objects, arrays or JSON?
...omeProperty;
or bracket notation, if the property name would not be a valid JavaScript identifier name [spec], or the name is the value of a variable:
// the space is not a valid character in identifier names
const value = obj["some Property"];
// property name as variable
const name = "some Pro...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...en an HTTP 405 error is returned in the response.
The request object provides access to all of the information about the HTTP request, such as its URL, headers, query string and body. The response object provides the ability to control and send the HTTP response the way you want by, for instance, ...
How to obtain a Thread id in Python?
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threading.get_ident() works, or threading.current_thread().ident (or threading.currentThread().ident for Python < 2.6).
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improv...
SQL Add foreign key to existing column
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Error indicates that there is no UserID column in your Employees table. Try adding the column first and then re-run the statement.
ALTER TABLE Employees
ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID)
REFERENCES ActiveDirectories(id);
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Making TextView scrollable on Android
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You don't need to use a ScrollView actually.
Just set the
android:scrollbars = "vertical"
properties of your TextView in your layout's xml file.
Then use:
yourTextView.setMovementMethod(new ScrollingMovementMethod());
in your code.
Bingo, it scrolls!
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Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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How can I add the new “Floating Action Button” between two widgets/layouts
I guess you have seen the new Android design guidelines, with the new "Floating Action Button" a.k.a "FAB"
10 Answers
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