Extract parameters before last parameter in "[email protected]"

I'm trying to create a Bash script that will extract the last parameter given from the command line into a variable to be used elsewhere. Here's the script I'm working on: #!/bin/bash # compact -...

Fast asymmetric cypher for C++ application

I'm looking for a fast asymmetric cypher algorithm to be used in C++ program. Our application accesses read-only data stored in archive (custom format, somewhat similar to tar), and I would like...

Can't get sql server compact 3.5 / 4 to work with ASP .NET MVC 2

I'm using Visual Studio 2008 Pro. I'm probably missing something very obvious here, but I've been trying to get the CTP for Sql Server compact 4 to work in my asp.net mvc application. I can find...

Can SQL Server Express LocalDB be connected to remotely?

I am looking into using the new SQL Server Express LocalDB (I think it is code named "Denali") for a desktop application. It is currently running with SQL Compact, but the user is wanting to share...

Unable get 600,000 deletion stubs ro purge from database

Update: I have issued a: show database mycleandb.nsf and I can see there are still 835,000 deletion stubs. I can't seem to remove them. Summary: We have a large database that we are now ready to...

How to handle a queue in Neo4J?

In my Neo4J database I have a series of queues of cards implemented via doubly-linked lists. The data structure is displayed in the following figure (SVG graph of queue generated using Alistair...

Non-delivery reports and VBA script in Outlook 2010

I have a Outlook 2010 VBA script that should scan the body of selected non-delivery reports in my inbox and generates a text report if they match certain regular expressions in the body. Recently...

How can I maintain history (like VCS) in CouchDB, BigCouch, or other open source DB?

I'm looking for a way to use CouchDB or BigCouch (or another "compatible" DB) in such a way that all revision history can be maintained or at least archived. I know that CouchDB internally does...

How to get the DataSource, UserID and Password from an Entity ConnectionString?

We have an ASP.NET MVC web application that works with Entity Framework. Everything works quite nicely so far, but now I need to implement a function that allows for importing huge amounts of data...

Emulate NdefMessage on ACS ACR1252U-A1

I am trying to emulate an NFC Forum Type 2 tag (Mifare Ultralight) containing an NDEF message with the ACR1252U and then read it out with an Android device. To archive this, I enter the card...

MongoDB Project/Aggregate to get all sub documents latest arrays entries

I use MongoDB for storing time series data with gaps. Each document belongs to one item and holds the changes for several measure points. Each measure point has an id, I used the following id...

Time series data in Cassandra, keyspace per month instead of one keyspace?

We have thousands of sensors that produce measurement time series data we want to store in Cassandra. We are currently storing ~500 million records per day, this amount will grow in the next time...

Will Minor Compactions in Cassandra remove elapsed TTL records

Below is the table schema i am using. Cassandra version is 2.1 CREATE TABLE metadata ( customerid int, user text, messageid text, subject text, PRIMARY KEY ((customerid, user), messageid) ) WITH...

VS2015 CE SQLite - How to create a typed DataSet

I read a manual how to create a typed DataSet under VS2015 CE with the common Database driver (MySQL, MS Access/ODBC/Server/Server-Database). To archive this: View -> Server-Explorer -> Connect...

iOS Today Widget show more compact mode

I'm trying to show the today widget, with the button to Show more, but in iOS 10 I have only found info to show the button to Show More/less if I put the NCWidgetDisplayMode to Expanded. But then,...

Adding Data to multiple tables with a single form Laravel

I am trying to insert a blog post on db, I do have two tables posts and tags tables. When I insert the create the post I want to be able to insert the data from the form in those two different...

Sending bytes in a string message and changing it back to string

I am coding a P2P framework in python, it works just fine and I built a filesharing app with it. Only problem, is I can't figure out how to send binary type files (zip archive in this case), in...

Can never get all dependencies for opencv on raspberry pi 3

I've been trying everything to install dependencies for opencv. First I wen through the...

LINK PREVIOUS AND NEXT POST in a php blog

I'm a new developer and I'm trying to make work my very simple blog. I want to set a previous and a next link to my previous and next articles in the blog. This is my current code. POSTS...

Understanding Laravel View Composers: Where does my view composer belong?

I am reading through the Laravel documentation to get a deeper understanding and this would be the second time I run into a bit of confusion. Not long ago, I was working through a Laracasts video...

Convert RDD to Dataframe in Pyspark's FPGrowth

I met an error when I made a DataFrame from RDD. from pyspark.ml.fpm import FPGrowth sogou = sc.textFile("SogouQ.sample.utf8", use_unicode = False) def parse(line): value = [ x for x in...

Retain last row for given key in spark structured streaming

Similar to Kafka's log compaction there are quite a few use cases where it is required to keep only the last update on a given key and use the result for example for joining data. How can this be...

Laravel view not found - after clearing every cache

This is the function public function waybills() { $user = Auth::user(); if(isset($user)){ $uid = $user->id; $receives = Receive::where('receiver_code',...

Jekyll cannot locate an included file in main.scss or the file has an error

I am importing an open source CSS into Jekyllrb, everytime I do I get the same error which is Your SCSS file `assets/main.scss` has an error on line 14: File to import not found or unreadable:...

Find the neighbours in a 2D array with repeat strategy

Exist a simple and compact way (non recursive) to find all neighbours at a distance D from a given <x,y> coordinate inside a 2D array with height H and width W using a repeat strategy. For...

How to perform group by and aggregate operation on spark sql

How to perform group by operation on spark sql. I am not able to do group by on one particular column and aggregate values on various columns Hi All, I would like to perform group by operation on...

How to explode quantiles in hive

I am trying to get quantiles of a field and I want to explode them so that each value is a separate row rather than all of them forming a single array. First, I calculate 20 quantiles as...

How to make a query comparing the float values on cakephp 3.x?

I'm new to cakephp and I'm trying to do a search area to list some products that have their prices greater than a value, or lower than a value, and paginate it. But when I try to do so, the result...

Expanding an array of objects stored in JSONB

I've got a table that includes a JSONB field with a JSON array with a simple format that I'd like to expand. Here's a slimmed version of the table's definition: CREATE TABLE IF NOT EXISTS...

Qt Creator app won't build after updating MacOS to 1.015.4 and Xcode to 11.4, how to solve?

I use Qt Creator to create applications for Android and iOS. I recently migrated to MacOS 10.15.4 Catalina, and upgraded Xcode to 11.4, and after that the project stopped starting. It produces the...