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POST JSON fails with 415 Unsupported media type, Spring 3 mvc
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No idea why this isn't more documented. This problem made me waste so much time. Thank you very much!
– Hugo Nava Kopp
Nov 30 '16 at 10:58
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How to do a Jquery Callback after form submit?
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I just did this -
$("#myform").bind('ajax:complete', function() {
// tasks to do
});
And things worked perfectly .
See this api documentation for more specific details.
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NSUserDefaults removeObjectForKey vs. setObject:nil
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Yes, both lines of code are equivalent, both will result in nil read
id obj = [[NSUserDefaults standardUserDefaults] objectForKey:@"example key"];
NSUserDefaults will return nil if the key was not found. I would recommend to use the removeObjectForKey instead of setting it to nil.
here is ...
Is jQuery “each()” function synchronous?
consider this scenario for validating:
9 Answers
9
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Best practices for overriding isEqual: and hash
How do you properly override isEqual: in Objective-C? The "catch" seems to be that if two objects are equal (as determined by the isEqual: method), they must have the same hash value.
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How to change a span to look like a pre with CSS?
... and put them into your own class.
pre {
display: block;
unicode-bidi: embed;
font-family: monospace;
white-space: pre;
}
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Prevent double submission of forms in jQuery
...d just wanted to add that the best solution would be to make the operation idempotent so that duplicate submissions are harmless.
Eg, if the form creates an order, put a unique ID in the form. The first time the server sees an order creation request with that id, it should create it and respond "suc...
Increment a database field by 1
...t should do the trick.
UPDATE mytable
SET logins = logins + 1
WHERE id = 12
Insert new row, or Update if already present:
If you would like to update a previously existing row, or insert it if it doesn't already exist, you can use the REPLACE syntax or the INSERT...ON DUPLICATE KEY UPDATE ...
How to select bottom most rows?
..., as they will be out of order (unless order doesn't matter, which the OP did not say).
– Tom H
Dec 9 '09 at 20:32
3
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How to import local packages without gopath
... project cannot be in $GOPATH.
Edit 2: The vendoring method is still valid and works without issue. vendor is largely a manual process, because of this dep and vgo were created.
Edit 1: While my old way works it's not longer the "correct" way to do it. You should be using vendor capabilities, ...