Task vs Thread differences
There are two classes available in .NET: `Task` and `Thread`. - - `Thread``Task`
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- 29 Dec at 00:38
How to create dictionary and add key value pairs dynamically in Javascript
From post: [Sending a JSON array to be received as a Dictionary<string,string>](https://stackoverflow.com/questions/2494294/sending-a-json-array-to-be-received-as-a-dictionarystring-string/7196027#719...
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- 2 Sep at 14:4
Hibernate show real SQL
if I set ``` <property name="show_sql">true</property> ``` in my configuration file in the console I can see the SQL. But it's not SQL... Can I see the SQL code that will be passed directly to d...
Method has the same erasure as another method in type
Why is it not legal to have the following two methods in the same class? ``` class Test{ void add(Set<Integer> ii){} void add(Set<String> ss){} } ``` I get the `compilation error` > Method ...
How to restart Activity in Android
How do I restart an Android `Activity`? I tried the following, but the `Activity` simply quits. ``` public static void restartActivity(Activity act){ Intent intent=new Intent(); int...
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- 27 Nov at 11:16
How to remove all event handlers from an event
To create a new event handler on a control you can do this ``` c.Click += new EventHandler(mainFormButton_Click); ``` or this ``` c.Click += mainFormButton_Click; ``` and to remove an event hand...
How can I dismiss the on screen keyboard?
I am collecting user input with a `TextFormField` and when the user presses a `FloatingActionButton` indicating they are done, I want to dismiss the on screen keyboard. How do I make the keyboard go ...
Expression ___ has changed after it was checked
Why is the component in this simple [plunk](http://plnkr.co/edit/VhEGJXE439dohJXNRbPc?p=preview) ``` @Component({ selector: 'my-app', template: `<div>I'm {{message}} </div>`, }) export class App...
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- 7 Feb at 21:38
Android:java.lang.OutOfMemoryError: Failed to allocate a 23970828 byte allocation with 2097152 free bytes and 2MB until OOM
I want to show the image in from sd card which is stored already. After run my application is crash and getting error of: > (java.lang.OutOfMemoryError: Failed to allocate a 23970828 byte allocati...
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- 3 Jul at 13:20
Responsive font size in CSS
I've created a site using the grid. Each page has a large `h1`: ``` body { font-size: 100% } /* Headers */ h1 { font-size: 6.2em; font-weight: 500; } ``` ``` <div class="row"> <div class="...
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- 15 Nov at 15:52
How to use "pass" statement?
I am in the process of learning Python and I have reached the section about the `pass` statement. The guide I'm using defines it as being a null statement that is commonly used as a placeholder. I sti...
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- 21 Dec at 14:24
How do I specify new lines in a string in order to write multiple lines to a file?
How can I indicate a newline in a string in Python, so that I can write multiple lines to a text file?
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- 28 Aug at 21:20
How to remove origin from git repository
Basic question: How do I disassociate a git repo from the origin from which it was cloned? `git branch -a` shows: ``` * master remotes/origin/HEAD -> origin/master ``` and I want to remove all k...
Handling InterruptedException in Java
What is the difference between the following ways of handling `InterruptedException`? What is the best way to do it? ``` try{ //... } catch(InterruptedException e) { Thread.currentThread().inter...
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- 28 May at 17:26
What is @ModelAttribute in Spring MVC?
What is the purpose and usage of `@ModelAttribute` in Spring MVC?
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- 18 Oct at 04:30
Get names of all files from a folder with Ruby
I want to get all file names from a folder using Ruby.
How to SELECT FROM stored procedure
I have a stored procedure that returns rows: ``` CREATE PROCEDURE MyProc AS BEGIN SELECT * FROM MyTable END ``` My actual procedure is a little more complicated, which is why a stored procedure i...
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- 7 Apr at 11:56
Intellij reformat on file save
I remember seeing in either IntelliJ or Eclipse the setting to reformat (cleanup) files whenever they are saved. How do I find it (didn't find it in the settings)
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- 3 Jun at 20:22
How to get a path to the desktop for current user in C#?
How do I get a path to the desktop for current user in C#? The only thing I could find was the VB.NET-only class [SpecialDirectories](http://msdn.microsoft.com/en-us/library/e0be29hd.aspx), which has...
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- 12 Aug at 12:56
throwing an exception in objective-c/cocoa
What's the best way to throw an exception in objective-c/cocoa?
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- 31 May at 07:49
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC
I'm working on an exceedingly large codebase, and recently upgraded to GCC 4.3, which now triggers this warning: > warning: deprecated conversion from string constant to ‘char*’ Obviously, the correct...
What is the difference between static func and class func in Swift?
I can see these definitions in the Swift library: ``` extension Bool : BooleanLiteralConvertible { static func convertFromBooleanLiteral(value: Bool) -> Bool } protocol BooleanLiteralConvertible...
Is there a standardized method to swap two variables in Python?
In Python, I've seen two variable values swapped using this syntax: ``` left, right = right, left ``` Is this considered the standard way to swap two variable values or is there some other means by...
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- 19 Sep at 12:14
Simple Digit Recognition OCR in OpenCV-Python
I am trying to implement a "Digit Recognition OCR" in OpenCV-Python (cv2). It is just for learning purposes. I would like to learn both KNearest and SVM features in OpenCV. I have 100 samples (i.e. ...
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- 24 Jan at 08:16
How to search a string in multiple files and return the names of files in Powershell?
I have started learning powershell a couple of days ago, and I couldn't find anything on google that does what I need so please bear with my question. I have been asked to replace some text strings i...
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- 10 Sep at 09:58