Create patch or diff file from git repository and apply it to another different git repository
I work on WordPress based project and I want to patch my project at each new release version of WP. For this, I want generate a patch between two commits or tags. For example, in my repo `/www/WP` I d...
ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
I have created tables in MySQL Workbench as shown below : ``` CREATE TABLE Ordre ( OrdreID INT NOT NULL, OrdreDato DATE DEFAULT NULL, KundeID INT DEFAULT NULL, CONSTRAINT Ordre_pk PRIM...
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- 2 Oct at 18:23
How to change Vagrant 'default' machine name?
Where does the name 'default' come from when launching a vagrant box? ``` $ vagrant up Bringing machine 'default' up with 'virtualbox' provider... ``` Is there a way to set this?
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- 10 Jun at 15:16
Random row selection in Pandas dataframe
Is there a way to select random rows from a DataFrame in Pandas. In R, using the car package, there is a useful function `some(x, n)` which is similar to head but selects, in this example, 10 rows at ...
How to grep a string in a directory and all its subdirectories?
How to grep a string or a text in a directory and all its subdirectories'files in LINUX ??
await vs Task.Wait - Deadlock?
I don't quite understand the difference between `Task.Wait` and `await`. I have something similar to the following functions in a ASP.NET WebAPI service: ``` public class TestController : ApiControl...
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- 30 Apr at 11:56
Getting visitors country from their IP
I want to get visitors country via their IP... Right now I'm using this ([http://api.hostip.info/country.php?ip=](http://api.hostip.info/country.php?ip=)...... ) Here is my code: ``` <?php if (isse...
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- 15 Oct at 09:41
Entity Framework: One Database, Multiple DbContexts. Is this a bad idea?
My impression to date has been that a `DbContext` is meant to represent your database, and thus, if your application uses one database, you'd want only one `DbContext`. However, some colleagues want ...
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- 11 Apr at 08:50
UIView Infinite 360 degree rotation animation?
I'm trying to rotate a `UIImageView` 360 degrees, and have looked at several tutorials online. I could get none of them working, without the `UIView` either stopping, or jumping to a new position. - ...
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- 15 Dec at 16:49
How to calculate the angle between a line and the horizontal axis?
In a programming language (Python, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis? I think an image describes best what I want: ![no words can describ...
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- 28 Aug at 21:7
Unable to copy file - access to the path is denied
I am using Visual Studio 2005. After taking code from version control first, the c#.net application runs correctly. But, after doing some modifications, when I build I am getting the following error...
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- 20 Feb at 18:59
How to redirect 404 errors to a page in ExpressJS?
I don't know a function for doing this, does anyone know of one?
Jquery Ajax Posting JSON to webservice
I am trying to post a JSON object to a asp.net webservice. My json looks like this: ``` var markers = { "markers": [ { "position": "128.3657142857143", "markerPosition": "7" }, { "position": "235....
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- 1 Apr at 16:20
What is the difference between bottom-up and top-down?
The approach (to dynamic programming) consists in first looking at the "smaller" subproblems, and then solve the larger subproblems using the solution to the smaller problems. The consists in solvi...
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- 14 Feb at 22:6
Why is the Date constructor deprecated, and what do I use instead?
I come from the C# world, so not too experienced with Java yet. I was just told by Eclipse that `Date` was deprecated: ``` Person p = new Person(); p.setDateOfBirth(new Date(1985, 1, 1)); ``` Why? ...
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- 6 Feb at 10:18
How do I add a Fragment to an Activity with a programmatically created content view
I want to add a Fragment to an Activity that implements its layout programmatically. I looked over the Fragment documentation but there aren't many examples describing what I need. Here is the type of...
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- 5 Mar at 08:15
Should I initialize variable within constructor or outside constructor
When I use Java based on my C++ knowledge, I love to initialize variable using the following way. ``` public class ME { private int i; public ME() { this.i = 100; } } ``` Afte...
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- 15 Feb at 05:26
How to create a backup of a single table in a postgres database?
Is there a way to create a backup of a single table within a database using postgres? And how? Does this also work with the `pg_dump` command?
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- 15 Mar at 13:20
How to parse a JSON string into JsonNode in Jackson?
It should be so simple, but I just cannot find it after being trying for an hour. I need to get a JSON string, for example, `{"k1":v1,"k2":v2}`, parsed as a `JsonNode`. ``` JsonFactory factory = new J...
Auto-expanding layout with Qt-Designer
I'm using the Qt Designer. I want to create a `QVBoxLayout` which will automatically expand to fill the whole window. The layout of the `QVBoxLayout` remains fixed. How can I cause the `QVBoxLayout...
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- 16 Aug at 11:41
How to "perfectly" override a dict?
How can I make as "perfect" a subclass of as possible? The end goal is to have a simple in which the keys are lowercase. It would seem that there should be some tiny set of primitives I can overrid...
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- 28 Jan at 14:23
Convert integer to binary in C#
How to convert an integer number into its binary representation? I'm using this code: ``` String input = "8"; String output = Convert.ToInt32(input, 2).ToString(); ``` But it throws an exception: ...
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- 17 Jan at 10:48
Java: how to initialize String[]?
``` % javac StringTest.java StringTest.java:4: variable errorSoon might not have been initialized errorSoon[0] = "Error, why?"; ``` ``` public class StringTest { public static ...
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- 1 Apr at 23:39
Load and execution sequence of a web page?
I have done some web based projects, but I don't think too much about the load and execution sequence of an ordinary web page. But now I need to know detail. It's hard to find answers from Google or S...
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- 27 Jun at 14:37
How to tell PowerShell to wait for each command to end before starting the next?
I have a PowerShell 1.0 script to just open a bunch of applications. The first is a virtual machine and the others are development applications. I want the virtual machine to finish booting before th...
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- 8 May at 19:31