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Python executable not finding libpython shared library
... Can you debug the application successfully when you run gdb from the command line and LD_LIBRARY_PATH is set up properly in the terminal? If not, you will probably have to set up LD_LIBRARY_PATH in your .gdbinit file. See this answer for more info: stackoverflow.com/a/7041845/156771
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Best way to generate random file names in Python
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Python has facilities to generate temporary file names, see http://docs.python.org/library/tempfile.html. For instance:
In [4]: import tempfile
Each call to tempfile.NamedTemporaryFile() results in a different temp file, and its name can be accessed with the .name attribute, e.g.:
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How do I create a Java string from the contents of a file?
... StandardCharsets.US_ASCII);
For versions between Java 7 and 11, here's a compact, robust idiom, wrapped up in a utility method:
static String readFile(String path, Charset encoding)
throws IOException
{
byte[] encoded = Files.readAllBytes(Paths.get(path));
return new String(encoded, encoding...
How do you add CSS with Javascript?
...e('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, in that you don't have to worry about putting special HTML characters in the innerHTML, but in practice style elements are CDATA in legacy HTML, and ‘<’ and ‘&...
Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
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vertical-align with Bootstrap 3
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This answer presents a hack, but I would highly recommend you to use flexbox (as stated in @Haschem answer), since it's now supported everywhere.
Demos link:
- Bootstrap 3
- Bootstrap 4 alpha 6
You still can use a custom class when you need it:
.vcenter ...
How can I shrink the drawable on a button?
...<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:id="@+id/half_overlay"
android:drawable="@drawable/myDrawable"
android:width="40dp"
android:height="40dp"
/>
</layer-list>
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Submit form on pressing Enter with AngularJS
...ut the AngularUI library has a nice keypress solution set up already. See http://angular-ui.github.com/
After adding the angularUI lib, your code would be something like:
<form ui-keypress="{13:'myFunc($event)'}">
... input fields ...
</form>
or you can bind the enter keypress t...
Curious null-coalescing operator custom implicit conversion behaviour
...hanks to everyone who contributed to analyzing this issue. It is clearly a compiler bug. It appears to only happen when there is a lifted conversion involving two nullable types on the left-hand side of the coalescing operator.
I have not yet identified where precisely things go wrong, but at some ...
Is there a way to create your own html tag in HTML5?
...swers. As I've just read:
"CUSTOM TAGS HAVE ALWAYS BEEN ALLOWED IN HTML."
http://www.crockford.com/html/
The point here being, that HTML was based on SGML. Unlike XML with its doctypes and schemas, HTML does not become invalid if a browser doesn't know a tag or two. Think of <marquee>. This ...