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Concatenating two one-dimensional NumPy arrays
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@user391339, what if you wanted to concatenate three arrays? The function is more useful in taking a sequence then if it just took two arrays.
– Winston Ewert
Jul 12 '16 at 17:13
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How to add a WiX custom action that happens only on uninstall (via MSI)?
I would like to modify an MSI installer (created through WiX ) to delete an entire directory on uninstall.
6 Answers
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Polymorphism in C++
...opriate code.
C++ mechanisms for polymorphism
Explicit programmer-specified polymorphism
You can write f() such that it can operate on multiple types in any of the following ways:
Preprocessing:
#define f(X) ((X) += 2)
// (note: in real code, use a longer uppercase name for a macro!)
Overl...
urllib2.HTTPError: HTTP Error 403: Forbidden
...I am unable to open using urllib2. I have tried changing user agent as specified in few questions earlier, I even tried to accept response cookies, with no luck. Can you please help.
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Call a Server-side Method on a Resource in a RESTful Way
...reasons:
(1) Given only the service URI, how will a "random" programmer know the ACTION verb exists?
(2) if the programmer knows it exists, how will he know its semantics? What does that verb mean?
(3) what properties (safety, idempotence) should one expect that verb to have?
(4) what if the progr...
Add Text on Image using PIL
...ile should be present in provided path.
font = ImageFont.truetype("sans-serif.ttf", 16)
So your code will look something similar to:
from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
img = Image.open("sample_in.jpg")
draw = ImageDraw.Draw(img)
# font = ImageFont.truetype...
Calculating arithmetic mean (one type of average) in Python
...is a bad variable name because it looks so much like 1. Also, I would use if l rather than if len(l) > 0. See here
– zondo
Apr 13 '16 at 22:40
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Iterate over the lines of a string
...f f2(foo=foo):
retval = ''
for char in foo:
retval += char if not char == '\n' else ''
if char == '\n':
yield retval
retval = ''
if retval:
yield retval
def f3(foo=foo):
prevnl = -1
while True:
nextnl = foo.find('\n', prevnl ...
Manually adding a Userscript to Google Chrome
...t": true is required if you want to use any of the supported GM_* methods.
Now, in Chrome's Extension manager (URL = chrome://extensions/), Expand "Developer mode".
Click the Load unpacked extension... button.
For the folder, paste in the folder for your script, In this example it is: C:\MyChromeScr...
How do I pass values to the constructor on my wcf service?
...[] baseAddresses)
: base(serviceType, baseAddresses)
{
if (dep == null)
{
throw new ArgumentNullException("dep");
}
foreach (var cd in this.ImplementedContracts.Values)
{
cd.Behaviors.Add(new MyInstanceProvider(dep));
...