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R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
...
x %-=% 3; x
y <- c('a', 'b', 'c')
y %+=% 'text'; y
y %-=% 'text'; y
# etc
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uwsgi invalid request block size
... In Nginx configuration file we may want to use this: include /etc/nginx/uwsgi_params; uwsgi_pass django_upstream;
– mennanov
Feb 3 '15 at 18:04
4
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Entity Framework Code First - two Foreign Keys from same table
...
public int MatchId { get; set; }
[ForeignKey("HomeTeam"), Column(Order = 0)]
public int? HomeTeamId { get; set; }
[ForeignKey("GuestTeam"), Column(Order = 1)]
public int? GuestTeamId { get; set; }
public float HomePoints { get; set; }
public float GuestPoints { get; se...
What's the right way to pass form element state to sibling/parent elements?
...ues" or you're passing the state of some data in the child component up in order to update the state. You changed the state in C1, and you want C2 to be aware of it, so, by updating the state in the Root component and re-rendering, C2's props are now in sync since the state was updated in the Root c...
Bubble Sort Homework
...he idea is this: as soon as we find two elements that are not in the right order, we set sorted back to False. sorted will remain True only if there were no elements in the wrong order.
sorted = False # We haven't started sorting yet
while not sorted:
sorted = True # Assume the list is now s...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...s is still unique for a lot of them, but when we're talking about just two orders of magnitude difference between number of objects and the hash size, there will be collisions in truncated hash values.
It's no longer even close to unrealistic - it happens all the time.
We should both increase...
What is the difference between exit() and abort()?
...or atexit says: "Functions [registered using atexit] are called in reverse order; no arguments are passed."
– strager
Dec 29 '08 at 3:55
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How does RegexOptions.Compiled work?
...ases where you reuse the Regex object. However in some cases can be over 3 orders of magnitude slower to construct.
It also shows that the x64 version of .NET can be 5 to 6 times slower when it comes to compilation of regular expressions.
The recommendation would be to use the compiled version i...
Is there a way to do method overloading in TypeScript?
... keeps your API honest as you'll avoid creating overloads with unintuitive ordering.
The general law of TypeScript overloads is:
If you can delete the overload signatures and all of your tests pass, you don’t need TypeScript overloads
You can usually achieve the same thing with optional, or...
Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
... asked a long time ago, what you may want to use is popen:
os.popen('cat /etc/services').read()
From the docs for Python 3.6,
This is implemented using subprocess.Popen; see that class’s
documentation for more powerful ways to manage and communicate with
subprocesses.
Here's the co...