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What are the differences between a Service, Provider and Factory in AngularJS? From the AngularJS mailing list I got an amazing thread that explains service vs factory vs provider and their injection usage. Compiling the answers: Services Syntax: module.service( 'serviceName', function ); Result: When declaring serviceName as an injectable argument you will be provided with an instance of the fu..

In Java you can use a for loop to traverse objects in an array as follows: String[] myStringArray = {"Hello", "World"}; for (String s : myStringArray) { // Do something } Can you do the same in JavaScript? Three main options: for (var i = 0; i console.log(x)); for (const x of xs) { console.log(x); } Detailed examples are below. 1. Se..

In Swing, the password field has a getPassword() (returns char[]) method instead of the usual getText() (returns String) method. Similarly, I have come across a suggestion not to use String to handle passwords. Why does String pose a threat to security when it comes to passwords? It feels inconvenient to use char[]. Strings are immutable. That means once you've created the String, if another pro..

I would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this? For BSD or GNU grep you can use -B num to set how many lines before the match and -A num for the number of lines after the match. grep -B 3 -A 2 foo README.txt If you want the same number of lines before and after you can use -C num. ..

What is the best way to copy text to the clipboard (multi-browser)? I have tried: function copyToClipboard(text) { if (window.clipboardData) { // Internet Explorer window.clipboardData.setData("Text", text); } else { unsafeWindow.netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); const clipboardHelper = Components.classes["@mozilla.org/widget/clipboardhelper;1"].getService..

I clone my repository with: git clone ssh://xxxxx/xx.git But after I change some files and add and commit them, I want to push them to the server: git add xxx.php git commit -m "TEST" git push origin master But the error I get back is: error: src refspec master does not match any. error: failed to push some refs to 'ssh://xxxxx.com/project.git' Maybe you just need to commit. I ran into this when..

I use Ubuntu and installed cURL on it. I want to test my Spring REST application with cURL. I wrote my POST code at the Java side. However, I want to test it with cURL. I am trying to post a JSON data. Example data is like this: {"value":"30","type":"Tip 3","targetModule":"Target 3","configurationGroup":null,"name":"Configuration Deneme 3","description":null,"identity":"Configuration Deneme 3","..

This question's answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. I have a dictionary of values read from two fields in a database: a string field and a numeric field. The string field is unique, so that is the key of the dictionary. I can sort on the keys, but how can I sort based on the values? Note: I have re..

I have an array that is initialized like: Element[] array = {new Element(1), new Element(2), new Element(3)}; I would like to convert this array into an object of the ArrayList class. ArrayList arraylist = ???; new ArrayList(Arrays.asList(array)); Tom Given: Element[] array = new Element[] { new Element(1), new Element(2), new Element(3) }; The simplest answer is to do: List list = Arrays.asList..

How do I remove a Git submodule? By the way, is there a reason I can't simply do git submodule rm whatever ? Via the page Git Submodule Tutorial: To remove a submodule you need to: Delete the relevant section from the .gitmodules file. Stage the .gitmodules changes: git add .gitmodules Delete the relevant section from .git/config. Remove the submodule files from the working tree and index: git r..