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jQuery AJAX file upload PHP
...t type="file" onchange="saveFile(this)" >
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Before selecting the file Open chrome console > network tab to see the request details.
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<small>Because in this example we send request to https://stacksnippets.net/upload/image the response code will ...
Is there an IDictionary implementation that, on missing key, returns the default value instead of th
...<K, V>(this IDictionary<K, V> dict, K key, Func<V> defValSelector)
{
V value;
return dict.TryGetValue(key, out value) ? value : defValSelector();
}
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How do I import a Swift file from another Swift file?
...ne of the targets is having an issue, it still shows the error. If you had selected one of those other targets, it wouldn't let you compile.
– Joel Teply
Oct 30 '15 at 18:34
a...
No Main() in WPF?
... in visual studio. Use the navigation bar > Method drop down list > select Main (greyed out). This takes you to App.g.i.cs.
– P.Brian.Mackey
Apr 6 '18 at 15:58
add a c...
Eclipse ctrl+right does nothing
...sing Ctrl + Right to move to the next word and Ctrl + Shift + Right to select the next word. But on eclipse nothing happens, the cursor stays in the same place.
...
Partly cherry-picking a commit with Git
...t into unstaged working changes.
Now git stash save --patch: interactively select unwanted material to stash.
Git rolls back the stashed changes from your working copy.
git commit
Throw away the stash of unwanted changes: git stash drop.
Tip: if you give the stash of unwanted changes a name: git ...
What does the “map” method do in Ruby?
...
map, along with select and each is one of Ruby's workhorses in my code.
It allows you to run an operation on each of your array's objects and return them all in the same place. An example would be to increment an array of numbers by one:
[...
Primary key/foreign Key naming convention [closed]
...e the USING syntax in SQL to save some typing and some boilerplate noise:
SELECT name, address, amount
FROM employees JOIN payroll USING (employee_id)
Another argument in favor of convention #2 is that it's the way the relational model was designed.
The significance of each column is
part...
Capybara Ambiguity Resolution
...t
So it's adviced to choose another, less ambiguous locator: for example select element by id, class or other css/xpath locator so that only one element will match it.
As a note here are some locators that I usually consider useful when resolving ambiguity:
find('ul > li:first-child')
It'...
What are the basic rules and idioms for operator overloading?
...ilt-in types and user-defined types. To the former belong for example int, char, and double; to the latter belong all struct, class, union, and enum types, including those from the standard library, even though they are not, as such, defined by users.
2 This is covered in a later part of this FAQ.
3...