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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
... search for packages on Ubuntu/Debian based systems:
apt-cache search <string>
e.g:
apt-cache search freetype | grep dev
Redhat/CentOS/Fedora:
yum -y install freetype-devel
To search for packages on Redhat/CentOS/Fedora based systems:
yum search <string>
e.g:
yum search fr...
How can I change the table names when using ASP.NET Identity?
... to be called User.
public class User : IdentityUser
{
public string PasswordOld { get; set; }
public DateTime DateCreated { get; set; }
public bool Activated { get; set; }
public bool UserRole { get; set; }
}
public class ApplicationDbContext : IdentityD...
How to create a fixed-size array of objects
...
This question has already been answered, but for some extra information at the time of Swift 4:
In case of performance, you should reserve memory for the array, in case of dynamically creating it, such as adding elements with Array.append().
var array = [SKSpriteNode]()
array....
How to use range-based for() loop with std::map?
...
If copy assignment operator of foo and bar is cheap (eg. int, char, pointer etc), you can do the following:
foo f; bar b;
BOOST_FOREACH(boost::tie(f,b),testing)
{
cout << "Foo is " << f << " Bar is " << b;
}
...
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t
I cannot figure out why this is giving me the error, The actual string I am trying to insert is 74 chars long, it's: "/gifs/epic-fail-photos-there-i-fixed-it-aww-man-the-tire-pressures-low.gif"
...
Practical uses of different data structures [closed]
...they have a continuous memory for them: boolean, char, int, float, double, string.
composite data structures are data structures that are composed of more than one primitive data types.class, structure, union, array/record.
abstract datatypes are composite datatypes that have way to access them effi...
Quicksort vs heapsort
...d pivot (yes, there is an overhead to get a good pivot).
static void Main(string[] args)
{
int[] arrToSort = new int[100000000];
var r = new Random();
for (int i = 0; i < arrToSort.Length; i++) arrToSort[i] = r.Next(1, arrToSort.Length);
Console.WriteLine("Press q to quick sort,...
Scroll Automatically to the Bottom of the Page
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Works in newer versions of Chrome now, but some of the extra options (like smooth scrolling) don't seem to be implemented yet.
– Matt Zukowski
Feb 17 '16 at 16:42
...
How can I remove a style added with .css() function?
...
Changing the property to an empty string appears to do the job:
$.css("background-color", "");
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?
...e stored as compact varints / float64, and only blob and text is stored as strings
– phiresky
May 17 '19 at 10:12
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