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RegEx - Match Numbers of Variable Length
... support the following expression:
\{\d+:\d+\}
The \d is actually shorthand for [0-9], but the important part is the addition of + which means "one or more".
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Init method in Spring Controller (annotation version)
... the initialization process in Spring. If you have to initialize all beans and autowire/inject them there are at least two ways that I know of that will ensure this. I have only testet the second one but I belive both work the same.
If you are using @Bean you can reference by initMethod, like this...
Group a list of objects by an attribute : Java
...ew HashMap<Integer, List<Student>>();
Iterate over this code and add students to the HashMap:
if (!hashMap.containsKey(locationId)) {
List<Student> list = new ArrayList<Student>();
list.add(student);
hashMap.put(locationId, list);
} else {
hashMap.get(loca...
Git undo changes in some files [duplicate]
...to the index or committed them, then you just want to use the checkout command - this will change the state of the working copy to match the repository:
git checkout A
If you added it to the index already, use reset:
git reset A
If you had committed it, then you use the revert command:
# the ...
Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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How can I split and trim a string into parts all on one line?
...gt; p.Trim()).ToList();
FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda return a string as string.Trim return a string
Foreach extension method is meant to modify the state of objects within the collection. As string are immutable, this would have...
JavaScript, get date of the next day [duplicate]
... Date().setDate(new Date().getDate() + 1));
– Björn Andreasson
May 22 '19 at 7:43
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format statement in a string resource file
...t markers - %[POSITION]$[TYPE] (where [POSITION] is the attribute position and [TYPE] is the variable type), rather than the short versions, for example %s or %d.
Quote from Android Docs: String Formatting and Styling:
<string name="welcome_messages">Hello, %1$s! You have %2$d new messages....
How should I handle “No internet connection” with Retrofit on Android
I'd like to handle situations when there is no internet connection. Usually I'd run:
7 Answers
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Downloading images with node.js [closed]
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Cool! Is there a way to check size and content type before actually downloading it?
– Jonathan Ong
Oct 5 '12 at 19:00
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