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Check if option is selected with jQuery, if not select a default
... check if there is an option selected in a select menu, and if not, assign one of the options as selected.
18 Answers
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How to create separate AngularJS controller files?
I have all of my AngularJS controllers in one file, controllers.js. This file is structured as follows:
6 Answers
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What's the difference between ASCII and Unicode?
... "Latin capital 'A'".
Because Unicode characters don't generally fit into one 8-bit byte, there are numerous ways of storing Unicode characters in byte sequences, such as UTF-32 and UTF-8.
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Loop through an array of strings in Bash?
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do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" also
Also works for multi-line array declaration
declare -a arr=("element1"
"element2" "element3"
"element4"
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IntelliJ: Working on multiple projects
...tion was good. You shouldn't use three instances of intellij. You can open one Project and add other 'parts' of application as Modules. Add them via project browser, default hotkey is alt+1
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...ding this subject and often you can find information that is only true for one socket implementation of a specific operating system, which may not even be explicitly mentioned in the text.
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How do I disable fail_on_empty_beans in Jackson?
...r class, try @JsonSerialize above class declaration.
For a mapper, here's one example:
ObjectMapper mapper = new ObjectMapper();
mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
// do various things, perhaps:
String someJsonString = mapper.writeValueAsString(someClassInstance);
S...
What is a non-capturing group in regular expressions?
... \</\1\>
The first regex has a named group (TAG), while the second one uses a common group. Both regexes do the same thing: they use the value from the first group (the name of the tag) to match the closing tag. The difference is that the first one uses the name to match the value, and the s...
How to load an ImageView by URL in Android? [closed]
... AsyncTasks uses a serial executor, meaning each image will load one at a time and not do parallel thread loading.
– Blundell
Apr 28 '13 at 10:27
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How to handle many-to-many relationships in a RESTful API?
...o delete the relationship from the other end as well if you delete it from one end, but rigorously handling this by using an underlying data model and then having the REST interface be a view of that model is going to make that easier.
Relationship IDs probably ought to be based on UUIDs or somethi...