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Parsing JSON with Unix tools
...ady installed on your system, like Python using the json module, and so avoid any extra dependencies, while still having the benefit of a proper JSON parser. The following assume you want to use UTF-8, which the original JSON should be encoded in and is what most modern terminals use as well:
Pytho...
Why JSF calls getters multiple times
...n {
private SomeObject someProperty;
@PostConstruct
public void init() {
// In @PostConstruct (will be invoked immediately after construction and dependency/property injection).
someProperty = loadSomeProperty();
}
public void onload() {
// Or in GET ac...
How to change font face of Webview in Android?
...om font. I'm using webview in developing an bilingual browser app for Android.
14 Answers
...
Listening for variable changes in JavaScript
...rs and setters): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects#Defining_getters_and_setters
You can define an object like this, in which aInternal represents the field a:
x = {
aInternal: 10,
aListener: function(val) {},
set a(val) {
this.aInternal = ...
How to find out which fonts are referenced and which are embedded in a PDF document
...
name type emb sub uni object ID
------------------------------------ ----------------- --- --- --- ---------
BAAAAA+Arial-Black TrueType yes yes yes 53 0
CAAAAA+Tahoma TrueType yes yes yes ...
What are the rules for calling the superclass constructor?
...
@hagubear, only valid for constructors, AFAIK
– luke
Oct 31 '14 at 12:24
...
Debugging iframes with Chrome developer tools
...ole to look at variables and DOM elements in my app, but the app exists inside an iframe (since it's an OpenSocial app).
...
Accessing items in an collections.OrderedDict by index
...
If you only access one item, you can avoid the memory overhead of list(d.items()) by using next(islice(d.items(), 1)) to get ('bar', 'spam')
– Quantum7
Oct 20 '17 at 15:37
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Permission denied on accessing host directory in Docker
...un -v /var/db:/var/db:Z rhel7 /bin/sh
This will label the content inside the container with the exact MCS
label that the container will run with, basically it runs chcon -Rt
svirt_sandbox_file_t -l s0:c1,c2 /var/db where s0:c1,c2 differs for
each container.
...
How to fade to display: inline-block
...
+1 for focusing the engineering process of showing/hiding elments on where it should be.
– klewis
May 15 '14 at 20:17
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