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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on the same page.
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How to get the number of Characters in a String?
...ust type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new run...
MYSQL Truncated incorrect DOUBLE value
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You don't need the AND keyword. Here's the correct syntax of the UPDATE statement:
UPDATE
shop_category
SET
name = 'Secolul XVI - XVIII',
name_eng = '16th to 18th centuries'
WHERE
category_id = 4768
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How to get last key in an array?
...
A solution would be to use a combination of end and key (quoting) :
end() advances array 's internal pointer to the last element, and returns its value.
key() returns the index element of the current array position.
So, a portion of code such as this one should do th...
How can I wait for set of asynchronous callback functions?
...h your code, so I'll make up a scenario. Let's say you have 10 ajax calls and you want to accumulate the results from those 10 ajax calls and then when they have all completed you want to do something. You can do it like this by accumulating the data in an array and keeping track of when the last ...
What is the most efficient way to create HTML elements using jQuery?
Recently I've been doing a lot of modal window pop-ups and what not, for which I used jQuery. The method that I used to create the new elements on the page has overwhelmingly been along the lines of:
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Bootstrap 3: Keep selected tab on page refresh
... trying to keep selected tab active on refresh with Bootstrap 3 . Tried and checked with some question already been asked here but none of work for me. Don't know where I am wrong. Here is my code
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How to reset Android Studio
I want to reset Android Studio 0.2.13 to the default state. That means reset all settings, remove all projects, all gradle files so that it would act like a fresh installation. What steps do I have to follow to achieve this?
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JavaScript for detecting browser language preference [duplicate]
...ears this value is not available through javascript at all. (Probably why @anddoutoi states he can't find a reference for it that doesn't involve server side.)
I have coded a workaround: I've knocked up a google app engine script at http://ajaxhttpheaders.appspot.com that will return you the HTTP r...
Counter increment in Bash loop not working
I have the following simple script where I am running a loop and want to maintain a COUNTER . I am unable to figure out why the counter is not updating. Is it due to subshell thats getting created? How can I potentially fix this?
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