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List of installed gems?
Is there a Ruby method I can call to get the list of installed gems?
11 Answers
11
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Simulator error FBSSystemServiceDomain code 4
I'm trying to run an app in the simulator but get this error message:
6 Answers
6
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How to solve PHP error 'Notice: Array to string conversion in…'
I have a PHP file that tries to echo a $_POST and I get an error, here is the code:
5 Answers
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How do I calculate the date in JavaScript three months prior to today?
...you want to do like momentjs does, and correct these last day of the month errors by moving to the last day of the month, you can do something like this:
const d = new Date("March 31, 2019");
console.log(d.toLocaleDateString());
const month = d.getMonth();
d.setMonth(d.getMonth() - 1);
whil...
How to scroll to top of long ScrollView layout?
For part of my app, the user is presented with a list of names and is asked to group them as they see fit.
15 Answers
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How to find reason of failed Build without any error or warning
...in the csproj file's BeforeBuild target was failing without triggering any error message in the normal place.
I was able to determine this by setting the "MSBuild project build output verbosity" (in the latest Visual Studio's Tools tab [Path: Tools > Options > Build and Run]) to "Diagnostic" a...
Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
... This has to be the stupidest thing ever. Giving you a totally misleading error message instead of clearly stating that you miss a reference. Someone cannot program at microsoft. Well, thanks for the fix
– Liquid Core
Oct 24 '16 at 10:19
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How to customize ?
Is it possible to change the appearance of <input type="file"> ?
18 Answers
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Bash syntax error: unexpected end of file
...ns with semicolon
I.e. this innocent-looking snippet will cause the same error:
die () { test -n "$@" && echo "$@"; exit 1 }
To make the dumb parser happy:
die () { test -n "$@" && echo "$@"; exit 1; }
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Check if passed argument is file or directory in Bash
I'm trying to write an extremely simple script in Ubuntu which would allow me to pass it either a filename or a directory, and be able to do something specific when it's a file, and something else when it's a directory. The problem I'm having is when the directory name, or probably files too, has s...