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How to select multiple rows filled with constants?
Selecting constants without referring to a table is perfectly legal in an SQL statement:
15 Answers
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Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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How can I use break or continue within for loop in Twig template?
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This can be nearly done by setting a new variable as a flag to break iterating:
{% set break = false %}
{% for post in posts if not break %}
<h2>{{ post.heading }}</h2>
{% if post.id == 10 %}
{% set break = true %}
{% e...
When to use a linked list over an array/array list?
I use a lot of lists and arrays but I have yet to come across a scenario in which the array list couldn't be used just as easily as, if not easier than, the linked list. I was hoping someone could give me some examples of when the linked list is notably better.
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Removing duplicate rows in vi?
...n this many times until all dups are gone since this only removes them one set of dups at a time.
– horta
Jan 22 '18 at 23:56
2
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What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
13
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How do I launch the Android emulator from the command line?
...the adb install command in another, I get error: device offline. How do I set an emulated virtual device?
– Thierry Lam
Feb 12 '11 at 20:14
3
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
I am trying to set up multiple setting files (development, production, ..) that include some base settings. Cannot succeed though. When I try to run ./manage.py runserver I am getting the following error:
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Diff Algorithm? [closed]
I've been looking like crazy for an explanation of a diff algorithm that works and is efficient.
5 Answers
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How to post JSON to a server using C#?
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{
var result = streamReader.ReadToEnd();
}
I wrote a library to perform this task in a simpler way, it is here: https://github.com/ademargomes/JsonRequest
Hope it helps.
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