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How to test if a string is JSON or not?
I have a simple AJAX call, and the server will return either a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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How to change size of split screen emacs windows?
...equires a very precise click on the spot where the two mode lines join.
C-x - (shrink-window-if-larger-than-buffer) will shrink a window to fit its content.
C-x + (balance-windows) will make windows the same heights and widths.
C-x ^ (enlarge-window) increases the height by 1 line, or the pref...
How to pass payload via JSON file for curl?
I can successfully create a place via curl executing the following command:
1 Answer
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Callback after all asynchronous forEach callbacks are completed
....log('all done'); }
var itemsProcessed = 0;
[1, 2, 3].forEach((item, index, array) => {
asyncFunction(item, () => {
itemsProcessed++;
if(itemsProcessed === array.length) {
callback();
}
});
});
(thanks to @vanuan and others) This approach guarantees that all items are...
Purpose of Activator.CreateInstance with example?
Can someone explain Activator.CreateInstance() purpose in detail?
9 Answers
9
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Rendering HTML inside textarea
I need to be able to render some HTML tags inside a textarea (namely , , , ) but textareas only interpret their content as text. Is there an easy way of doing it without relying on external libraries/plugins (I'm using jQuery)?
If not, do you know of any jQuery plugin I could use to do this?
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ggplot: How to increase spacing between faceted plots?
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This works without the grid package. In my experience the x labels of two side-by-side plots often overlap (the greatest label on the lhs and the smallest label on the rhs). One solution to fix the output is to ggsave with a greater width than the default. But I find t...
Import package.* vs import package.SpecificType [duplicate]
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Doubt there'll be any optimization issues with this.. Except naming conflicts where you can easily avoid them using specific import statements. Even if you are too lazy to type all the imports up modern IDE's will do it for you...
– Thihara
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...O:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
This fixes the issue.
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How can I measure the similarity between two images? [closed]
...e whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depending on the browser, some element could be at a slightly different location). It should give a measure of how similar are t...