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Increment a database field by 1
...firstName, lastName) the PRIMARY KEY or at least put a UNIQUE key on them, then you could do this:
INSERT INTO logins (firstName, lastName, logins) VALUES ('Steve', 'Smith', 1)
ON DUPLICATE KEY UPDATE logins = logins + 1;
If you can't do that, then you'd have to fetch whatever that primary key is...
PHP json_decode() returns NULL with valid JSON?
...t is encoded in UTF-8. But if I pass the text through utf8_decode() first, then json_decode() silently fails.
– Matthew
Mar 9 '10 at 16:15
1
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BitBucket - download source as ZIP
... to download!
Select your repository from Dashboard or Repository tab.
And then just click on Download tab having icon of download. It will Let you download whole repository in zip format.
share
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Better explanation of when to use Imports/Depends
...e package B to be loaded and attached as well. Functions in package A will then be able to find the functions in package B on which they rely.
An "Imports" directive will load but not attach package A and will neither load nor attach package B. ("Imports", after all, expects that package writers ar...
jQuery table sort
...
If you want to avoid all the bells and whistles then may I suggest this simple sortElements plugin. Usage:
var table = $('table');
$('.sortable th')
.wrapInner('<span title="sort this column"/>')
.each(function(){
var th = $(this),
thIn...
how to return index of a sorted list? [duplicate]
I need to sort a list and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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Calculate relative time in C#
...early impossible to localize. If your app only needs to remain in English, then fine. But if you make the jump to other languages, you will hate yourself for doing logic like this. Just so y'all know...
– Nik Reiman
May 23 '12 at 14:31
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Unique BooleanField value in Django?
...ficient but it was rejected.. Instead of get()ing the Character object and then save()ing it again, you just need to filter and update, which produces just one SQL query and helps keep the DB consistent: if self.is_the_chosen_one: <newline> Character.objects.filter(is_the_chosen_one=True).upda...
How to select option in drop down using Capybara
...option
In other words, it finds the <select> you're interested in, then finds the <option> within that, then calls select_option on the <option> node.
You've already pretty much done the first two things, I'd just rearrange them. Then you can tack the select_option method on the...
Constant Amortized Time
... indeed. But if it is a real time app, that is constantly reading data and then responding to it, you might have a big problem, if processing that data takes 1 Million times longer than normal once every 1 Million data items processed!
– Kai Petzke
Jan 19 '19 a...