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How to read a single character from the user?
Is there a way of reading one single character from the user input? For instance, they press one key at the terminal and it is returned (sort of like getch() ). I know there's a function in Windows for it, but I'd like something that is cross-platform.
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What is the best way to deal with the NSDateFormatter locale “feechur”?
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Sometimes you have an "Aha!!" moment, sometimes it's more of a "Duh!!" This is the latter. In the category for initWithSafeLocale the "super" init was coded as self = [super init];. This inits the SUPERCLASS of NSDateFormatter but does not init the NSDateFormatter object itself.
Apparently when ...
What do I use for a max-heap implementation in Python?
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The easiest way is to invert the value of the keys and use heapq. For example, turn 1000.0 into -1000.0 and 5.0 into -5.0.
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How to generate a Dockerfile from an image?
Is it possible to generate a Dockerfile from an image? I want to know for two reasons:
8 Answers
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What is a servicebus and when do I need one?
...eard talk about the NServiceBus , but I haven't really understood what it is. They claim to be "The most popular open-source service bus for .net".
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Set the layout weight of a TextView programmatically
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You have to use TableLayout.LayoutParams with something like this:
TextView tv = new TextView(v.getContext());
tv.setLayoutParams(new TableLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 1f));
The last parameter is the weight.
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How can I select rows with most recent timestamp for each key value?
... timestamp;
Pretty self-explaining I think, but here's more info if you wish, as well as other examples. It's from the MySQL manual, but above query works with every RDBMS (implementing the sql'92 standard).
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In Laravel, the best way to pass different types of flash messages in the session
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The "class" of your alert
for example:
Session::flash('message', 'This is a message!');
Session::flash('alert-class', 'alert-danger');
Then in your view:
@if(Session::has('message'))
<p class="alert {{ Session::get('alert-class', 'alert-info') }}">{{ Session::get('message') }}</...
Call ASP.NET function from JavaScript?
...x or any other way and just want a normal ASP.NET postback to happen, here is how you do it (without using any other libraries):
It is a little tricky though... :)
i. In your code file (assuming you are using C# and .NET 2.0 or later) add the following Interface to your Page class to make it look ...
Elegant Python function to convert CamelCase to snake_case?
...(?=[A-Z])', '_', name).lower()
print(name) # camel_case_name
If you do this many times and the above is slow, compile the regex beforehand:
pattern = re.compile(r'(?<!^)(?=[A-Z])')
name = pattern.sub('_', name).lower()
To handle more advanced cases specially (this is not reversible anymore):
d...