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How big can a MySQL database get before performance starts to degrade
...formance again, at least to a certain degree. For example 37 signals went from 32 GB RAM to 128GB of RAM for the Basecamp database server.
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Error Code: 1005. Can't create table '…' (errno: 150)
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This could also happen when exporting your database from one server to another and the tables are listed in alphabetical order by default.
So, your first table could have a foreign key of another table that is yet to be created. In such cases, disable foreign_key_checks and cr...
How to throw a C++ exception
...m exceptions make more sense then go for it. You may still want to derive from std::exception and keep the interface the same.
– nsanders
Dec 12 '11 at 21:02
2
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AddRange to a Collection
... me today how to add a range to a collection. He has a class that inherits from Collection<T> . There's a get-only property of that type that already contains some items. He wants to add the items in another collection to the property collection. How can he do so in a C#3-friendly fashion? (...
ASP.NET MVC: What is the purpose of @section? [closed]
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@section is for defining a content are override from a shared view. Basically, it is a way for you to adjust your shared view (similar to a Master Page in Web Forms).
You might find Scott Gu's write up on this very interesting.
Edit: Based on additional question clarific...
How do you get the magnitude of a vector in Numpy?
...nner1d. Here's how it compares to other numpy methods:
import numpy as np
from numpy.core.umath_tests import inner1d
V = np.random.random_sample((10**6,3,)) # 1 million vectors
A = np.sqrt(np.einsum('...i,...i', V, V))
B = np.linalg.norm(V,axis=1)
C = np.sqrt((V ** 2).sum(-1))
D = np.sqrt((V*V)...
minimize app to system tray
...complish the entire solution. The answer above fails to remove the window from the task bar.
private void ImportStatusForm_Resize(object sender, EventArgs e)
{
if (this.WindowState == FormWindowState.Minimized)
{
notifyIcon.Visible = true;
notifyIcon.ShowBalloonTip(3000);
...
Adding hours to JavaScript Date object?
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currentDate.addHours(1) <- From my programming instinct, I'm expecting the currentDate value to change, but in your implementation, it would not. As to why I'm suggesting to rename or change its signature to something
– mr5
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Fixed page header overlaps in-page anchors
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html {
scroll-padding-top: 70px; /* height of sticky header */
}
from: https://css-tricks.com/fixed-headers-on-page-links-and-overlapping-content-oh-my/
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Split string every nth character?
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There is already an inbuilt function in python for this.
>>> from textwrap import wrap
>>> s = '1234567890'
>>> wrap(s, 2)
['12', '34', '56', '78', '90']
This is what the docstring for wrap says:
>>> help(wrap)
'''
Help on function wrap in module textwrap:...