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Can an abstract class have a constructor?
...e concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will frequently be used to enforce class constraints or invariants such as the minimum fields required to setup the class.
NOTE: As there is no default (or no-arg) constructor in the ...
Is there a simple way to remove unused dependencies from a maven pom.xml?
...on.
You can simply remove unwanted direct dependencies from your POM, but if they are introduced by third-party jars, you can use the <exclusions> tags in a dependency to exclude the third-party jars (see the section titled Dependency Exclusions for details and some discussion). Here is an e...
ExpressJS - throw er Unhandled error event
...our express app. We have to follow the same in that case. We need to check if its running in any terminal.
If you want to find and kill process, follow these steps:
ps aux | grep node
Find the process ID (second from the left):
kill -9 PRCOCESS_ID
OR
Use a single command to close all the runn...
How to get a cross-origin resource sharing (CORS) post request working
...llow the response to continue. You need to ensure the response header specifically includes the required headers. ie:
Access-Control-Allow-Headers: x-requested-with
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How to increase the maximum number of opened editors in IntelliJ?
...the recent files limit in Settings | Editor | General | Recent files limit if you are using the Recent Files (Cmd+E) feature.
Works for all IntelliJ IDEA platform based IDEs.
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Best way to initialize (empty) array in PHP
...S3 for example), it has been noted that initializing a new array is faster if done like this var foo = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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Naming conventions: “State” versus “Status” [closed]
...tatus". Is there a convention discussed out there? Should we only use one? If so which one, and if not, how should we choose?
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Custom attributes in styles.xml
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I figured it out! The answer is to NOT specify the namespace in the style.
<?xml version="1.0" encoding="utf-8" ?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="CustomStyle">
<item name="android:l...
Can you call Directory.GetFiles() with multiple filters?
...all files in a string array and then filter that by the extensions you specify. That might not be a big issue if "C:\Path" doesn't have lot of files underneath it, but may be a memory/performance issue on "C:\" or something like that.
– Christian.K
Feb 14 '10 ...
Can we open pdf file using UIWebView on iOS?
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Yes, this can be done with the UIWebView.
If you are trying to display a PDF file residing on a server somewhere, you can simply load it in your web view directly:
Objective-C
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(10, 10, 200, 200)];
NSU...