Questions

Is it possible to stop JavaScript execution?

Is it possible in some way to stop or terminate [JavaScript](http://en.wikipedia.org/wiki/JavaScript) in a way that it prevents any further JavaScript-based execution from occuring, without reloading ...

19 Aug at 17:24

Adding one day to a date

My code to add one day to a date returns a date before day adding: `2009-09-30 20:24:00` date after adding one day SHOULD be rolled over to the next month: `1970-01-01 17:33:29` ``` <?php //add...

9 Nov at 10:39

await is only valid in async function

I wrote this code in `lib/helper.js`: ``` var myfunction = async function(x,y) { .... return [variableA, variableB] } exports.myfunction = myfunction; ``` Then I tried to use it in another file...

9 Jul at 11:37

How to add `style=display:"block"` to an element using jQuery?

How to add `style=display:"block"` to an element in jQuery?

7 Sep at 03:43

How do I use a Boolean in Python?

Does Python actually contain a Boolean value? I know that you can do: ``` checker = 1 if checker: #dostuff ``` But I'm quite pedantic and enjoy seeing booleans in Java. For instance: ``` Boole...

16 Mar at 18:12

WSL Redis encountered System has not been booted with systemd as init system (PID 1). Can't operate

I'm trying to follow the Redis installation process that was discuss in this [article](https://www.digitalocean.com/community/tutorials/how-to-install-and-configure-redis-on-ubuntu-16-04) of digital o...

Binary Data in JSON String. Something better than Base64

The [JSON format](http://www.json.org/) natively doesn't support binary data. The binary data has to be escaped so that it can be placed into a string element (i.e. zero or more Unicode chars in doubl...

3 May at 11:41

Find an element in DOM based on an attribute value

Can you please tell me if there is any DOM API which search for an element with given attribute name and attribute value: Something like: ``` doc.findElementByAttribute("myAttribute", "aValue"); ```...

30 Sep at 17:37

HashMap with multiple values under the same key

Is it possible to implement a HashMap with one key and two values? Just as HashMap<userId, clientID,timeStamp>? If not, is there any other way to implement the storage of multiple values e.g. one key ...

24 Feb at 13:55

How to detect escape key press with pure JS or jQuery?

> [Which keycode for escape key with jQuery](https://stackoverflow.com/questions/1160008/which-keycode-for-escape-key-with-jquery) How to detect escape key press in IE, Firefox and Chrome? Bel...

SQL Server Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >=

I run the following query: ``` SELECT orderdetails.sku, orderdetails.mf_item_number, orderdetails.qty, orderdetails.price, supplier.supplierid, supplier.suppliername, supplier.d...

12 Nov at 06:42

Pandas 'count(distinct)' equivalent

I am using Pandas as a database substitute as I have multiple databases ([Oracle](https://en.wikipedia.org/wiki/Oracle_Database), [SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server), etc....

30 Aug at 08:1

Python dictionary from an object's fields

Do you know if there is a built-in function to build a dictionary from an arbitrary object? I'd like to do something like this: ``` >>> class Foo: ... bar = 'hello' ... baz = 'world' ... >>> ...

How to use Comparator in Java to sort

I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code: ``` Exception in thread "main" java.lang.ClassCastException: New.People cannot be c...

2 Jan at 03:22

Is it possible to send an array with the Postman Chrome extension?

I've been using Postman Chrome extension to test out my API and would like to send an array of IDs via post. Is there a way to send something list this as a parameter in Postman? ``` { user_ids: ["...

18 Jun at 07:50

Passing headers with axios POST request

I have written an Axios POST request as recommended from the npm package documentation like: ``` var data = { 'key1': 'val1', 'key2': 'val2' } axios.post(Helper.getUserAPI(), data) .the...

11 Aug at 11:14

SQL WHERE.. IN clause multiple columns

I need to implement the following query in SQL Server: ``` select * from table1 WHERE (CM_PLAN_ID,Individual_ID) IN ( Select CM_PLAN_ID, Individual_ID From CRM_VCM_CURRENT_LEAD_STATUS Where Lead_...

21 Feb at 16:54

ValueError: invalid literal for int () with base 10

I wrote a program to solve `y = a^x` and then project it on a graph. The problem is that whenever `a < 1` I get the error: > ValueError: invalid literal for int () with base 10. Any suggestions? ...

3 Aug at 20:32

What is a user agent stylesheet?

I'm working on a web page in Google Chrome. It displays correctly with the following styles. ``` table { display: table; border-collapse: separate; border-spacing: 2px; border-color: ...

26 Apr at 14:22

JQuery Ajax Post results in 500 Internal Server Error

I am trying to perform this AJAX post but for some reason I am getting a server 500 error. I can see it hit break points in the controller. So the problem seems to be on the callback. Anyone? ``` $.a...

10 Feb at 08:32

What is the difference between '/' and '//' when used for division?

Is there a benefit to using one over the other? In Python 2, they both seem to return the same results: ``` >>> 6/3 2 >>> 6//3 2 ```

How do I profile C++ code running on Linux?

How do I find areas of my code that run slowly in a C++ application running on Linux?

4 Jul at 22:44

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...

git pull fails "unable to resolve reference" "unable to update local ref"

Using git 1.6.4.2, when I tried a `git pull` I get this error: ``` error: unable to resolve reference refs/remotes/origin/LT558-optimize-sql: No such file or directory From git+ssh://remoteserver/~/...

22 Apr at 17:23

Fetch the rows which have the Max value for a column for each distinct value of another column

Table: ``` UserId, Value, Date. ``` I want to get the UserId, Value for the max(Date) for each UserId. That is, the Value for each UserId that has the latest date. Is there a way to do this simply...

29 Jun at 09:51