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What do the crossed style properties in Google Chrome devtools mean?
...ecting an element using Chrome's devtools, in the elements tab, the right-hand side 'Styles' bar shows the corresponding CSS properties. At times, some of these properties are struck-through. What do these properties mean?
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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...et -e in an interactive bash shell, bash will exit immediately if any command exits with non-zero. How can I undo this effect?
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How to find topmost view controller on iOS
...red May 25 '11 at 21:42
Wilbur VandrsmithWilbur Vandrsmith
4,9322828 silver badges3232 bronze badges
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jQuery: How to capture the TAB keypress within a Textbox
I want to capture the TAB keypress, cancel the default action and call my own javascript function.
9 Answers
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How do I output raw html when using RazorEngine (NOT from MVC)
...d IEncodedString, with the default implementations being HtmlEncodedString and RawString.
To use the latter, simply make a call to the inbuilt Raw method of TemplateBase:
@Raw(Model.EmailContent)
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How do I delete an exported environment variable?
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unset is the command you're looking for.
unset GNUPLOT_DRIVER_DIR
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If string is empty then return some default value
Often I need to check if some value is blank and write that "No data present" like that:
6 Answers
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String comparison in bash. [[: not found
...ry:
$ bash myscript
or, if the script is executable:
$ ./myscript
sh and bash are two different shells. While in the first case you are passing your script as an argument to the sh interpreter, in the second case you decide on the very first line which interpreter will be used.
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How to upgrade all Python packages with pip?
...finite potential variations for this. I'm trying to keep this answer short and simple, but please do suggest variations in the comments!
In older version of pip, you can use this instead:
pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip install -U
The grep is to skip editable...
Instantiating object of type parameter
...ngBuilder::new);
Alternatively, you can provide a Class<T> object, and then use reflection.
class MyClass<T> {
private final Constructor<? extends T> ctor;
private T field;
MyClass(Class<? extends T> impl) throws NoSuchMethodException {
this.ctor = impl.getCo...