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Convert Python program to C/C++ code? [closed]
...t * stuff). And it will never get quite as fast as plain C because it's usually interfacing with Python (100% or more? only for plain numerical code that doesn't interface with Python at all for the most time!). But other than that, yes, it can get you a pretty devent speedup.
–...
ListView item background via custom selector
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I've been frustrated by this myself and finally solved it. As Romain Guy hinted to, there's another state, "android:state_selected", that you must use. Use a state drawable for the background of your list item, and use a different state drawable for listSelector of yo...
Is it safe to use -1 to set all bits to true?
...s one:
unsigned long a = ~0u;
It won't necessarily store a pattern with all bits 1 into a. But it will first create a pattern with all bits 1 in an unsigned int, and then assign it to a. What happens when unsigned long has more bits is that not all of those are 1.
And consider this one, which wi...
Uploading images using Node.js, Express, and Mongoose
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Rohan Kumar
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answered Mar 1 '11 at 1:35
JohnAllenJohnAllen
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How can I stop redis-server?
...service redis-server stop and service redis-server start, after having installed it with apt-get install redis-server.
– Cloud Artisans
Oct 6 '15 at 2:15
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How can I force browsers to print background images in CSS?
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@MuneemHabib It does not work in IE, actually, the only supported browser is Chrome: developer.mozilla.org/en-US/docs/Web/CSS/…
– Marco Bettiolo
Jun 30 '15 at 13:07
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How to find patterns across multiple lines using grep?
... used as
pcregrep -M 'abc.*(\n|.)*efg' test.txt
where -M, --multiline allow patterns to match more than one line
There is a newer pcre2grep also. Both are provided by the PCRE project.
pcre2grep is available for Mac OS X via Mac Ports as part of port pcre2:
% sudo port install pcre2
and v...
Correct way to detach from a container without stopping it
...aseimage-docker/#intro)
If you want a container that run in detached mode all the time, i suggest you use
docker run -d foo
With an ssh server on the container. (easiest way is to follow the dockerizing openssh tutorial https://docs.docker.com/engine/examples/running_ssh_service/)
Or you can ju...
How to send objects through bundle
...d on interpretations of what that data means or points to. You can't literally pass an object, but what you can do is one of three things:
1) You can break the object down to its constitute data, and if what's on the other end has knowledge of the same sort of object, it can assemble a clone from ...
Webfont Smoothing and Antialiasing in Firefox and Opera
...ebkit-font-smoothing: antialiased does also work on Opera.
Firefox has finally added a property to enable grayscaled antialiasing. After a long discussion it will be available in Version 25 with another syntax, which points out that this property only works on OS X.
-moz-osx-font-smoothing: graysc...