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'printf' vs. 'cout' in C++
...s way better than printf, even if the question just asked for differences. Now, there is a difference - std::cout is C++, and printf is C (however, you can use it in C++, just like almost anything else from C). Now, I'll be honest here; both printf and std::cout have their advantages.
Real differen...
How do I reference an existing branch from an issue in GitHub?
... I contacted Github's support and they told me it is not possible right now.
– Nerian
Nov 4 '11 at 22:38
5
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Embedding Base64 Images
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Update: 2017-01-10
Data URIs are now supported by all major browsers. IE supports embedding images since version 8 as well.
http://caniuse.com/#feat=datauri
Data URIs are now supported by the following web browsers:
Gecko-based, such as Firefox, S...
How to 'bulk update' with Django?
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Update:
Django 2.2 version now has a bulk_update.
Old answer:
Refer to the following django documentation section
Updating multiple objects at once
In short you should be able to use:
ModelClass.objects.filter(name='bar').update(name="foo")
...
How to convert a LocalDate to an Instant?
...for you automatically, so you must provide it.
LocalDate date = LocalDate.now();
Instant instant = date.atStartOfDay(ZoneId.systemDefault()).toInstant();
This example uses the default time-zone of the JVM - ZoneId.systemDefault() - to perform the conversion. See here for a longer answer to a rela...
How do I create test and train samples from one dataframe with pandas?
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Btw, it does return a Pandas Dataframe now (just tested on Sklearn 0.16.1)
– Julien Marrec
Jul 8 '15 at 10:30
12
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Best way for a 'forgot password' implementation? [closed]
...word.jsp page should be able to retrieve the ID parameter. Sorry, I don't know Java, so I can't be more specific.
When the user clicks the link in the email, he is moved to your page. The page retrieves the ID from the URL, hashes it again, and checks against the table. If such a record is there and...
How can you do anything useful without mutable state?
...lection and invoke the anonymous function for each item. Very handy :)
I know, printing numbers isn't exactly impressive. However, we can use the same approach with games: hold all state in the stack and create a new object with our changes in the recursive call. In this way, each frame is a statel...
Type of conditional expression cannot be determined because there is no implicit conversion between
...ain conversions are possible, which we will get into the details of below.
Now, let's turn to the germane part of the spec:
If only one of x and y has a type, and both x and y are implicitly convertible to that type, then that is the type of the conditional expression.
The issue here is that in
in...
How do I skip an iteration of a `foreach` loop?
...e simplest (though maybe the logic inside is the same) way of doing this - now that you have Linq available. Though you should ensure that .Skip is called only once for performance reasons. (Yeah, I see now that this is not the straight forward answer to OP's question, though a valuable addition to ...