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How to get error message when ifstream open fails
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Every system call that fails update the errno value.
Thus, you can have more information about what happens when a ifstream open fails by using something like :
cerr << "Error: " << strerror(errno);
However, since every s...
Differences between numpy.random and random.random in Python
...of much higher quality than is available from random.random alone. You usually don't need this, though.
– SingleNegationElimination
Aug 11 '11 at 18:36
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mmap() vs. reading blocks
I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
Linux - Install redis-cli only
...sr/local/bin/
With Docker I normally use https://registry.hub.docker.com/_/redis/. If I need to add redis-cli to an image I use the following snippet.
RUN cd /tmp &&\
curl http://download.redis.io/redis-stable.tar.gz | tar xz &&\
make -C redis-stable &&\
cp red...
How to make a smooth image rotation in Android?
... that I'm using as a custom cyclical spinner in Android. Here's my rotate_indefinitely.xml file, which I placed in res/anim/ :
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UIButton: set image for selected-highlighted state
....highlighted])
To set the background image we can use setBackgroundImage(_:for:)
Swift 2.x
// Normal
button.setImage(UIImage(named: "image1"), forState: .Normal)
// Highlighted
button.setImage(UIImage(named: "image2"), forState: .Highlighted)
// Selected
button.setImage(UIImage(named: "image3"...
Make an image width 100% of parent div, but not bigger than its own width
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If the image is smaller than parent...
.img_100 {
width: 100%;
}
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How do you check whether a number is divisible by another number (Python)?
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@Chris_Rands Put that into an answer, people who do code-golf (like me) would be very happy. In fact, I came here looking for a golfed answer like that.
– MilkyWay90
Nov 11 '18 at 22:29
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Jackson - Deserialize using generic class
...= Util.<List<TaskBean>>convertJsonToPOJO("E:/J2eeWorkspaces/az_workspace_svn/az-client-service/dir1/dir2/filename.json", TaskBean.class);
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How to develop a soft keyboard for Android? [closed]
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clone this repo: LatinIME
About your questions:
An inputMethod is basically an Android Service, so yes, you can do HTTP and all the stuff you can do in a Service.
You can open Activities and dialogs from the InputMethod. Once again, it's just a Service.
I've been developing an IME, so ask agai...