Questions

Angular 2 change event on every keypress

The change event is only called after the focus of the input has changed. How can I make it so that the event fires on every keypress? ``` <input type="text" [(ngModel)]="mymodel" (change)="val...

1 Jun at 21:29

How to run Gulp tasks sequentially one after the other

in the snippet like this: ``` gulp.task "coffee", -> gulp.src("src/server/**/*.coffee") .pipe(coffee {bare: true}).on("error",gutil.log) .pipe(gulp.dest "bin") gulp.task "clean"...

22 Aug at 20:24

How to use cURL to send Cookies?

I read that [sending cookies with cURL](https://stackoverflow.com/questions/7181785/send-cookies-with-curl) works, but not for me. I have a REST endpoint like this: ``` class LoginResource(restful.Res...

Synchronizing a local Git repository with a remote one

I want to synchronize my local repository with a remote one so that my local repository becomes a 100% copy of the remote one - meaning that if certain files differ in these repositories, we override ...

17 Feb at 23:56

Conditionally ignoring tests in JUnit 4

OK, so the `@Ignore` annotation is good for marking that a test case shouldn't be run. However, sometimes I want to ignore a test based on runtime information. An example might be if I have a concur...

10 Aug at 23:31

When to use in vs ref vs out

Someone asked me the other day when they should use the parameter keyword `out` instead of `ref`. While I (I think) understand the difference between the `ref` and `out` keywords (that has been [asked...

14 Sep at 15:11

How to read text file from classpath in Java?

I am trying to read a text file which is set in CLASSPATH system variable. Not a user variable. I am trying to get input stream to the file as below: Place the directory of file (`D:\myDir`) in CLASSP...

18 Dec at 15:21

sql server invalid object name - but tables are listed in SSMS tables list

I am attempting to create a `Stored Procedure` for a newly created database. However the `SSMS` intellisense does not recognize more than half of the tables which have been created. For example whil...

28 Mar at 11:26

How to truncate milliseconds off of a .NET DateTime

I'm trying to compare a time stamp from an incoming request to a database stored value. SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it in...

17 Jun at 01:43

Clearing all cookies with JavaScript

How do you delete all the cookies for the current domain using JavaScript?

3 Dec at 13:31

Starting ssh-agent on Windows 10 fails: "unable to start ssh-agent service, error :1058"

When I try to start the ssh-agent on Windows 10 via PowerShell (with elevated right or without) by entering `Start-Service ssh-agent` I get the error > unable to start ssh-agent service, error :1058 ...

31 Aug at 10:44

Resolve promises one after another (i.e. in sequence)?

Consider the following code that reads an array of files in a serial/sequential manner. `readFiles` returns a promise, which is resolved only once all files have been read in sequence. ``` var readFil...

How to get milliseconds from LocalDateTime in Java 8

I am wondering if there is a way to get current milliseconds since 1-1-1970 (epoch) using the new `LocalDate`, `LocalTime` or `LocalDateTime` classes of Java 8. The known way is below: ``` long cu...

Determining complexity for recursive functions (Big O notation)

I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these ...

7 Jun at 10:23

Enable remote connections for SQL Server Express 2012

I just installed SQL Server Express 2012 on my home server. I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error: > A network-related o...

How to get the first element of the List or Set?

I'd like to know if I can get the first element of a list or set. Which method to use?

12 Mar at 03:20

POSTing JsonObject With HttpClient From Web API

I'm trying to POST a `JsonObject` using `HttpClient` from Web API. I'm not quite sure how to go about this and can't find much in the way of sample code. Here's what I have so far: ``` var myObject...

Get all table names of a particular database by SQL query?

I am working on application which can deal with multiple database servers like "MySQL" and "MS SQL Server". I want to get tables' names of a particular database using a general query which should suit...

26 Nov at 17:57

git remote add with other SSH port

In Git, how can I add a remote origin server when my host uses a different SSH port? ``` git remote add origin ssh://user@host/srv/git/example ```

21 Dec at 09:43

How can I search (case-insensitive) in a column using LIKE wildcard?

I looked around some and didn't find what I was after so here goes. ``` SELECT * FROM trees WHERE trees.`title` LIKE '%elm%' ``` This works fine, but not if the tree is named Elm or ELM etc... Ho...

17 Sep at 06:53

how to read value from string.xml in android?

I have written the line: ``` String Mess = R.string.mess_1 ; ``` to get string value, but instead of returning string, it is giving me id of type integer. How can I get its string value? I mentione...

29 Aug at 22:9

How to create a yes/no boolean field in SQL server?

What is the best practice for creating a `yes/no` i.e. `Boolean` field when converting from an `access database` or in general?

How to disable phone number linking in Mobile Safari?

Safari on iPhone automatically creates links for strings of digits that appear to the telephone numbers. I am writing a web page containing an IP address, and Safari is turning that into a phone numb...

22 Oct at 15:0

Can't perform a React state update on an unmounted component

## Problem I am writing an application in React and was unable to avoid a super common pitfall, which is calling `setState(...)` after `componentWillUnmount(...)`. I looked very carefully at my c...

Way to create multiline comments in Bash?

I have recently started studying shell script and I'd like to be able to comment out a set of lines in a shell script. I mean like it is in case of C/Java : ``` /* comment1 comment2 comment3 *...

1 Apr at 14:33