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C++ Singleton design pattern
... design pattern that is lazy-evaluated, guaranteed-destruction, not-technically-thread-safe:
Can any one provide me a sample of Singleton in c++?
Here is an updated C++11 implementation of the Singleton design pattern that is lazy-evaluated, correctly-destroyed, and thread-safe.
class S
{
pu...
Secondary axis with twinx(): how to add to legend?
... adding the line:
ax2.legend(loc=0)
You'll get this:
But if you want all labels on one legend then you should do something like this:
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rc
rc('mathtext', default='regular')
time = np.arange(10)
temp = np.random.random(10...
Git branching: master vs. origin/master vs. remotes/origin/master
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Take a clone of a remote repository and run git branch -a (to show all the branches git knows about). It will probably look something like this:
* master
remotes/origin/HEAD -> origin/master
remotes/origin/master
Here, master is a branch in the local repository. remotes/origin/ma...
Test if executable exists in Python?
... search for set in %PATHEXT%. That's not great, but it might work for the all the cases someone needs.
– rakslice
Oct 3 '13 at 0:42
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Disable validation of HTML5 form elements
...hrome, and if you catch the "invalid" event and return false that seems to allow form submission.
I am using jquery, with this HTML.
// suppress "invalid" events on URL inputs
$('input[type="url"]').bind('invalid', function() {
alert('invalid');
return false;
});
document.forms[0].o...
What is the meaning of the planned “private protected” C# access modifier?
As part of the Roslyn documentation on GitHub, there's a page called Language feature implementation status , with planned language features for C# and VB.
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Vagrant ssh authentication failure
...y will be in yours profile path: c:\users\USERNAME\.ssh\id_rsa.pub
PS: Finally - suggest you look at Ubuntu on Windows 10
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How to jump to a specific character in vim?
... I'm wondering how to undo this find once I've found the character. All matching characters seem to remain highlighted in the current buffer.
– newswim
Oct 23 '18 at 7:20
1
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Convert JSON String to Pretty Print JSON output using Jackson
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StaxManStaxMan
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std::string to char*
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It won't automatically convert (thank god). You'll have to use the method c_str() to get the C string version.
std::string str = "string";
const char *cstr = str.c_str();
Note that it returns a const char *; you aren't allowed to change the...