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How do I get out of a screen without typing 'exit'?
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yes, you generally do have a tl;dr moment with the man command. so when you have a tl;dr when doing man command_name, in this case man screen, you can generally access a shorter & pretty helpful version of the docs by --help option, ...
Show or hide element in React
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React circa 2020
In the onClick callback, call the state hook's setter function to update the state and re-render:
const Search = () => {
const [showResults, setShowResults] = React.useState(false)
const onClick = () => setShowResults(true)
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How to compare strings ignoring the case
...ect way for it not to complain is "Apple".casecmp("APPLE").zero? But personally I like Andres answer below, which uses .casecmp?
– 8bithero
May 29 '17 at 15:31
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
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All the model fields which have definite types, those should be validated when returned to Controller. If any of the model fields are not matching with their defined type, then ModelState.IsValid will return false. Because, T...
Unable to load SOS in WinDbg
...command. I.e.
.loadby sos clr
Also, if you're on 64 bit, you should install the 32 bit version of Debugging Tools for Windows as well in order to debug 32 bit apps. They install side-by-side, so there's no problem in having both the 32 bit and the 64 bit version on the same machine.
I would adv...
How is performance affected by an unused using directive?
Visual Studio will automatically create using statements for you whenever you create a new page or project. Some of these you will never use.
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Git rebase fails, 'Your local changes to the following files would be overwritten by merge'. No loca
... git troubles.
I'm on a mac, and this obscure config change seemed to fix all my woes regarding unstaged changes when there were none.
git config --global core.trustctime false
I think it's to do with differences between windows file times, linux file times and mac file times. who knows, feel fr...
Create objective-c class instance by name?
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id object = [[NSClassFromString(@"NameofClass") alloc] init];
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How to get UTC time in Python?
...poses when you need to calculate an amount of time spent between two dates all that you need is to substract end and start dates. The results of such substraction is a timedelta object.
From the python docs:
class datetime.timedelta([days[, seconds[, microseconds[, milliseconds[, minutes[, hours[,...
How do I use FileSystemObject in VBA?
...set a reference to the VB script run-time library.
The relevant file is usually located at \Windows\System32\scrrun.dll
To reference this file, load the
Visual Basic Editor (ALT+F11)
Select Tools > References from the drop-down menu
A listbox of available references will be displayed
Tick the c...