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Save image from URL by paperclip
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This is potentially insecure because a user could call user.picture_from_url('/etc/password'). It's probably fine in most situations though.
– David Tuite
Oct 11 '13 at 9:16
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How to add elements to an empty array in PHP?
...ration, but it also doesn't impose the performance overhead of a function call, which array_push() would. Edit: But, great answer. Effectively the same, and majority of uses won't even notice a performance difference, but helps to know those nuances.
– Mattygabe
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How do I make my string comparison case insensitive?
... Just be aware that the two solutions are not necessarily identical for all locales. String#equalsIgnoreCase is not using locale specific casing rules, while String#toLowerCase and #toUpperCase do.
– jarnbjo
Feb 8 '10 at 9:48
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How to prevent form from being submitted?
...'t be executed and the form will be submitted either way. You should also call preventDefault to prevent the default form action for Ajax form submissions.
function mySubmitFunction(e) {
e.preventDefault();
someBug();
return false;
}
In this case, even with the bug the form won't submit!
A...
How do I pass a class as a parameter in Java?
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public void callingMethod(Class neededClass) {
//Cast the class to the class you need
//and call your method in the class
((ClassBeingCalled)neededClass).methodOfClass();
}
To call the method, you call it this way:
callingM...
How to copy a java.util.List into another java.util.List
...rch for copying a list suggested me to use Collections.copy() method. In all the examples I saw, the destination list was supposed to contain the exact number of items for the copying to take place.
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Create a folder if it doesn't already exist
I've run into a few cases with WordPress installs with Bluehost where I've encountered errors with my WordPress theme because the uploads folder wp-content/uploads was not present.
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Making HTTP Requests using Chrome Developer tools
....then(res => res.json())
.then(console.log)
Chrome Devtools actually also support new async/await syntax (even though await normally only can be used within an async function):
const response = await fetch('https://jsonplaceholder.typicode.com/posts/1')
console.log(await response.json())...
How to get a date in YYYY-MM-DD format from a TSQL datetime field?
...perform this in SQL Server or would it be easier to convert it programmatically after I retrieve the result set?
23 Answers...
Android get current Locale, not default
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The default Locale is constructed statically at runtime for your application process from the system property settings, so it will represent the Locale selected on that device when the application was launched. Typically, this is fine, but it does mean that if the...