Questions Tagged with #Reification

Reification refers to process of taking an abstract concept and making a concrete representation out of it.


I have the following two tables: 1. Lecturers (LectID, Fname, Lname, degree). 2. Lecturers_Specialization (LectID, Expertise). I want to find the lecturer with the most Specialization. When I try t..

How to ignore HTML element from tabindex?

Is there any way in HTML to tell the browser not to allow tab indexing on particular elements? On my page though there is a sideshow which is rendered with jQuery, when you tab through that, you get ..

How can I plot a histogram such that the heights of the bars sum to 1 in matplotlib?

I'd like to plot a normalized histogram from a vector using matplotlib. I tried the following: plt.hist(myarray, normed=True) as well as: plt.hist(myarray, normed=1) but neither option produces..

How to set RelativeLayout layout params in code not in xml?

For example I want to add 3 buttons on screen: one align left, one align center, last one align right. How can I set their layout in code, not in xml?..

'console' is undefined error for Internet Explorer

I'm using Firebug and have some statements like: console.log("..."); in my page. In IE8 (probably earlier versions too) I get script errors saying 'console' is undefined. I tried putting this at th..

How to use If Statement in Where Clause in SQL?

I need to use if statement inside where clause in sql. Select * from Customer WHERE (I.IsClose=@ISClose OR @ISClose is NULL) AND (C.FirstName like '%'+@ClientName+'%' or @ClientName is NULL ) ..

Finding sum of elements in Swift array

What is the easiest (best) way to find the sum of an array of integers in swift? I have an array called multiples and I would like to know the sum of the multiples...

Outlets cannot be connected to repeating content iOS

I have just created an app and have started hooking up @IBOutlet's to the storyboard. I am connecting some of them to labels in a UITableViewCell Prototype Cell with a Basic Style. When I connect it t..

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic?

What is the difference between Eclipse for Java (EE) Developers and Eclipse Classic? Both are marked as version 3.6. Which one should I use?..

How to add LocalDB to Visual Studio 2015 Community's SQL Server Object Explorer?

Problem I don't understand how to make LocalDB show up in the SQL Server Object Explorer. On some VMs, it shows up automatically, on some other VMs, it doesn't. Still, after googling for hours, I don'..

The conversion of the varchar value overflowed an int column

For some value of @nReservationID: SELECT @phoneNumber= CASE WHEN ISNULL(rdg2.nPhoneNumber ,0) = 0 THEN ISNULL(rdg2.nMobileNumber, 0) ELSE ISNULL(rdg2.nPhoneNumber ,0) END from tblRe..

Copy files without overwrite

I just can't seem to find a way on the command line to say "copy all the files from directory A to directory B, but if the file already exists in directory B, don't overwrite it, no matter which file ..

Oracle DateTime in Where Clause?

I have sql something like this: SELECT EMP_NAME, DEPT FROM EMPLOYEE WHERE TIME_CREATED >= TO_DATE('26/JAN/2011','dd/mon/yyyy') -> This returns 10 rows and TIME_CREATED = '26-JAN-2011' Now when ..

How can I SELECT multiple columns within a CASE WHEN on SQL Server?

I have searched this site extensively but cannot find a solution. Here is the example of my query: SELECT ActivityID, Hours = (CASE WHEN ActivityTypeID <> 2 THEN ..

PHPUnit assert that an exception was thrown?

Does anyone know whether there is an assert or something like that which can test whether an exception was thrown in the code being tested?..

Not able to access adb in OS X through Terminal, "command not found"

I have installed Android SDK and Eclipse on my Mac system. I am able to program using Eclipse and have created few sample applications. But I am still not able to access adb through the terminal wind..

How to uncheck checkbox using jQuery Uniform library

I have a problem with unchecking a checkbox. Have a look at my jsFiddle, where I am attempting: $("#check2").attr("checked", true); I use uniform for styling the checkbox and it simply does not..

How to Get XML Node from XDocument

How to Get an XML Element from XDocument using LINQ ? Suppose I have an XDocument Named XMLDoc which is shown below: <Contacts> <Node> <ID>123</ID> ..

How to uninstall Eclipse?

I want to uninstall Eclipse version Mars 2, but it doesn't appear in the "Programs and Features" area of the Windows Control Panel. The installer has installed start menu shortcuts and other artifacts..

HttpWebRequest using Basic authentication

I'm trying to go through an authentication request that mimics the "basic auth request" we're used to seeing when setting up IIS for this behavior. The URL is: https://telematicoprova.agenziadogane.i..

MySQL Where DateTime is greater than today

I want to get every record from my MySQL database which is greater than today. Sample: "Go to Lunch","2014-05-08 12-00-00" "Go to Bed","2014-05-08 23-00-00" Ou..

How to do a redirect to another route with react-router?

I am trying to do A SIMPLE using react-router ( version ^1.0.3 ) to redirect to another view and I am just getting tired. import React from 'react'; import {Router, Route, Link, RouteHandler} from 'r..

Creating Dynamic button with click event in JavaScript

How can I create a dynamic button with a click event with JavaScript? I tried this, but when I click the add button, an alert message show up! It's not what I want - I want to be able to click the bu..

How to send HTML-formatted email?

I could be able to let the web application sends automatic emails using Windows Task Scheduler. Now I want to send HTML-Formatted email using the following method that I wrote for sending emails. My ..

How to extract text from a PDF file?

I'm trying to extract the text included in this PDF file using Python. I'm using the PyPDF2 module, and have the following script: import PyPDF2 pdf_file = open('sample.pdf') read_pdf = PyPDF2.PdfFi..

Clearfix with twitter bootstrap

I have an issue with twitter bootstrap that looks a little bit strange to me. I have a sidebar with fixed with at the left side and a main area. <div> <div id="sidebar"> <ul> ..

importing go files in same folder

I am having difficulty in importing a local go file into another go file. My project structure is like something below -samplego --pkg --src ----xxxx -----a.go -----b.go --bin I am t..

Switching to landscape mode in Android Emulator

This is probably a pretty easy to answer question, but I can't find the solution myself after a couple hours of searching the documentation and Google. I set the orientation of my Android app to lands..

CSS scrollbar style cross browser

How can I define a CSS scrollbar style cross browser? I tested this code, it only works in IE and opera, but failed in Chrome, Safari and Firefox. <style type="text/css"> <!-- body { ..

Local and global temporary tables in SQL Server

What is the difference between local and global temporary tables in SQL Server?..

Implement Stack using Two Queues

A similar question was asked earlier there, but the question here is the reverse of it, using two queues as a stack. The question... Given two queues with their standard operations (enqueue, dequeue..

How to push a new folder (containing other folders and files) to an existing git repo?

I cloned a repository to my desktop machine using git clone sshurl. As expected, this created a folder in my desktop. Now, instead of a single file, I want to push a whole folder into git. For exampl..

Vertically align an image inside a div with responsive height

I have the following code which sets up a container which has a height that changes with the width when the browser is re-sized (to maintain a square aspect ratio). HTML <div class="responsive-co..

Adding space/padding to a UILabel

I have a UILabel where I want to add space in the top and in the bottom. With minimun height in constrainst I've modified it to: EDIT: To do this I've used: override func drawTextInRect(rect: ..

How do I get a list of installed CPAN modules?

Aside from trying perldoc <module name> individually for any CPAN module that takes my fancy or going through the file system and looking at the directories I have no idea what modules we hav..

Change URL without refresh the page

I would like to replace an url without page refresh. I need to change: to How to do that ?..

What is the most appropriate way to store user settings in Android application

I am creating an application which connects to the server using username/password and I would like to enable the option "Save password" so the user wouldn't have to type the password each time the app..

Regular expression to detect semi-colon terminated C++ for & while loops

In my Python application, I need to write a regular expression that matches a C++ for or while loop that has been terminated with a semi-colon (;). For example, it should match this: for (int i = 0; ..

How to return value from Action()?

In regards to the answer for this question Passing DataContext into Action(), how do I return a value from action(db)? SimpleUsing.DoUsing(db => { // do whatever with db }); Should be more li..

Warning: mysqli_error() expects exactly 1 parameter, 0 given error

I get the following error Warning: mysqli_error() expects exactly 1 parameter, 0 given The problem is with this line of the code: $query = mysqli_query($myConnection, $sqlCommand) or die (my..

Android Transparent TextView?

Simply, how to make a TextView transparent? (Not full transparency) I searched the docs and the StackNetwork and couldn't find it? I guess there is something like this. Thanks. UPDATE This is the ..

How do you delete a column by name in data.table?

To get rid of a column named "foo" in a data.frame, I can do: df <- df[-grep('foo', colnames(df))] However, once df is converted to a data.table object, there is no way to just remove a column. ..

Received an invalid column length from the bcp client for colid 6

I want to bulk upload csv file data to sql server 2005 from c# code but I am encountering the below error - Received an invalid column length from the bcp client for colid 6. when bulk copy wri..

Using Html.ActionLink to call action on different controller

I am trying to navigate between controllers using ActionLink. I will tell my problem with an example. I am on Index view of Hat controller, and I am trying to use below code to create a link to Detai..

How do I check if a given Python string is a substring of another one?

I have two strings and I would like to check whether the first is a substring of the other. Does Python have such a built-in functionality?..

Official reasons for "Software caused connection abort: socket write error"

Given this stack trace snippet Caused by: Software caused connection abort: socket write error  at Method) ..

how can I copy a conditional formatting in Excel 2010 to other cells, which is based on a other cells content?

I need to copy a formula based conditional formatting to other cells but i have to change the formula for every single cell condition. how can I do a copy of this condition so that the formula changes..

How to run Node.js as a background process and never die?

I connect to the linux server via putty SSH. I tried to run it as a background process like this: $ node server.js & However, after 2.5 hrs the terminal becomes inactive and the process dies. ..

Tomcat base URL redirection

Using tomcat, how do I get a request for to redirect to ? i haven't even managed to get an index.html to display from http://myd..

Change icon-bar (?) color in bootstrap

I want to change ? color. HTML: <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#menu"> <span class="sr-only">Toggle menu navigation</span> <..

Convert seconds into days, hours, minutes and seconds

I would like to convert a variable $uptime which is seconds, into days, hours, minutes and seconds. Example: $uptime = 1640467; Result should be: 18 days 23 hours 41 minutes ..

Pushing to Git returning Error Code 403 fatal: HTTP request failed

I was able to clone a copy of this repo over HTTPS authenticated. I've made some commits and want to push back out to the GitHub server. Using Cygwin on Windows 7 x64. C:\cygwin\home\XPherior\Code\lu..

Accessing elements of Python dictionary by index

Consider a dict like mydict = { 'Apple': {'American':'16', 'Mexican':10, 'Chinese':5}, 'Grapes':{'Arabian':'25','Indian':'20'} } How do I access for instance a particular element of this dictio..

Modify SVG fill color when being served as Background-Image

Placing the SVG output directly inline with the page code I am able to simply modify fill colors with CSS like so: polygon.mystar { fill: blue; }? circle.mycircle { fill: green; } This wor..

getaddrinfo: nodename nor servname provided, or not known

I have a Ruby on Rails application that I am deploying on a computer running Mac OS X 10.6. The code where the problem arises is run by a delayed_job. The problem only occurs when it is run through de..

Maximum call stack size exceeded error

I am using a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad) It says Maximum call stack size exceeded. What exactly does this error ..

How a thread should close itself in Java?

This is a short question. At some point my thread understand that it should suicide. What is the best way to do it: Thread.currentThread().interrupt(); return; By the way, why in the first case we..

NodeJS w/Express Error: Cannot GET /

This is what i have, the filename "default.htm" actually exists and loads when doing a readFile with NodeJS. var express = require('express'); var app = express(); app.use(express.static(__dirname +..

TCP vs UDP on video stream

I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video a..

Comparing the contents of two files in Sublime Text

I have two cloned repositories of two very similar open-source projects, which I have been working on in different instances in Sublime Text 2 to arrive at my desired result. Code from both of these p..

Add Auto-Increment ID to existing table?

I have a pre-existing table, containing 'fname', 'lname', 'email', 'password' and 'ip'. But now I want an auto-increment column. However, when I enter: ALTER TABLE users ADD id int NOT NULL AUTO_INCR..

How add "or" in switch statements?

This is what I want to do: switch(myvar) { case: 2 or 5: ... break; case: 7 or 12: ... break; ... } I tried with "case: 2 || 5" ,but it didn't work. The purpose is to ..

Integer division with remainder in JavaScript?

In JavaScript, how do I get: The whole number of times a given integer goes into another? The remainder? ..

How to disable JavaScript in Chrome Developer Tools?

I am trying to debug the features of a website when users disable their JavaScript. I was wondering how do you disable JavaScript for a page from the Google Chrome DevTools?..

Check if returned value is not null and if so assign it, in one line, with one method call

Java is littered with statements like: if(cage.getChicken() != null) { dinner = cage.getChicken(); } else { dinner = getFreeRangeChicken(); } Which takes two calls to getChicken() before th..

Convert System.Drawing.Color to RGB and Hex Value

Using C# I was trying to develop the following two. The way I am doing it may have some problem and need your kind advice. In addition, I dont know whether there is any existing method to do the same...

How to find MAC address of an Android device programmatically

How do i get Mac Id of android device programmatically. I have done with IMIE Code and I know how to check Mac id on device manually but have no idea how to find out programmatically...

Rotating a Div Element in jQuery

Trying to rotate a div element...This might be DOM blasphemy, could it work possibly with a canvas element? I'm not sure - if anybody has any ideas of how this could work or why it doesn't, I'd love t..

How can moment.js be imported with typescript?

I'm trying to learn Typescript. While I don't think it's relevant, I'm using VSCode for this demo. I have a package.json that has these pieces in it: { "devDependencies": { "gulp": "^3.9.1", ..

PHP session handling errors

I have this at the very top of my send.php file: ob_start(); @session_start(); //some display stuff $_SESSION['id'] = $id; //$id has a value header('location: test.php'); And the following at the..

DATEDIFF function in Oracle

I need to use Oracle but DATEDIFF function doesn't work in Oracle DB. How to write the following code in Oracle? I saw some examples using INTERVAL or TRUNC. SELECT DATEDIFF ('2000-01-01','2000-01-..

Hadoop cluster setup - Connection refused

I want to setup a hadoop-cluster in pseudo-distributed mode. I managed to perform all the setup-steps, including startuping a Namenode, Datanode, Jobtracker and a Tasktracker on my machine. Then I tr..

ElasticSearch: Unassigned Shards, how to fix?

I have an ES cluster with 4 nodes: number_of_replicas: 1 search01 - master: false, data: false search02 - master: true, data: true search03 - master: false, data: true search04 - master: false, data:..

How do I disable a Button in Flutter?

I'm just starting to get the hang of Flutter, but I'm having trouble figuring out how to set the enabled state of a button. From the docs, it says to set onPressed to null to disable a button, and gi..

How to create a delay in Swift?

I want to pause my app at a certain in point. In other words, I want my app to execute the code, but then at a certain point, pause for 4 seconds, and then continue on with the rest of the code. How c..

How to implement OnFragmentInteractionListener

I have a wizard generated app with navigation drawer in android studio 0.8.2 I have created a fragment and added it with newInstance() and I get this error: com.domain.myapp E/AndroidRuntime? FAT..

How can I save application settings in a Windows Forms application?

What I want to achieve is very simple: I have a Windows Forms (.NET 3.5) application that uses a path for reading information. This path can be modified by the user, by using the options form I provid..

Iterate two Lists or Arrays with one ForEach statement in C#

This just for general knowledge: If I have two, let's say, List, and I want to iterate both with the same foreach loop, can we do that? Edit Just to clarify, I wanted to do this: List<String>..

Html Agility Pack get all elements by class

I am taking a stab at html agility pack and having trouble finding the right way to go about this. For example: var findclasses = _doc.DocumentNode.Descendants("div").Where(d => d.Attributes.Cont..

Creating files in C++

I want to create a file using C++, but I have no idea how to do it. For example I want to create a text file named Hello.txt. Can anyone help me?..

Does dispatch_async(dispatch_get_main_queue(), ^{...}); wait until done?

I have a scenario in my app, where I want to do some time consuming task which consists of some data processing as well as UI update, in a method. My method looks like this, - (void)doCalculationsAnd..

UL or DIV vertical scrollbar

I have problem with vertical scrollbar on my page. I have lot of items inside ul inside div, I tried with overflow:auto in style for div but it doesn't help. How to add scrollbar vertical to ul or div..

How to detect idle time in JavaScript elegantly?

Is it possible to detect "idle" time in JavaScript? My primary use case probably would be to pre-fetch or preload content. Idle time: Period of user inactivity or without any CPU usage..

jQuery autocomplete with callback ajax json

I'm trying to find a way to use jQuery autocomplete with callback source getting data via an ajax json object list from the server. Could anybody give some directions? I googled it but couldn't find..

How can I add an image file into json object?

I want to add an image file into json object . Is it possible to add image file into json object? I tried below code but its not working ? Because i want to send that json object to the server then s..

How to convert an XML file to nice pandas dataframe?

Let's assume that I have an XML like this: <author type="XXX" language="EN" gender="xx" feature="xx" web=""> <documents count="N"> <document KEY="e95a9a6c790ecb95..

How to access property of anonymous type in C#?

I have this: List<object> nodes = new List<object>(); nodes.Add( new { Checked = false, depth = 1, id = "div_" + d.Id }); ... and I'm wondering if I can..

MySQL join with where clause

I have two tables I want to join. I want all of the categories in the categories table and also all of the categories subscribed to by a user in the category_subscriptions table. essentially this is..

CodeIgniter Select Query

I have a simple CodeIgniter Active record query to select an ID: $q = $this -> db -> select('id') -> where('email', $email) -> limit(1) -> g..

Favorite Visual Studio keyboard shortcuts

What is your favorite Visual Studio keyboard shortcut? I'm always up for leaving my hands on the keyboard and away from the mouse! One per answer please...

How to check if Receiver is registered in Android?

I need to check if my registered receiver is still registered if not how do i check it any methods?..

PHP Fatal error: Call to undefined function json_decode()

Apache is logging PHP Fatal error: Call to undefined function json_decode(). After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --versi..

{"<user xmlns=''> was not expected.} Deserializing Twitter XML

I'm pulling in the XML from Twitter via OAuth. I'm doing a request to, which returns the following XML: <?xml version="1.0" encoding=&quo..

Assign JavaScript variable to Java Variable in JSP

Ello there, I'm trying to assign the value of a javascript variable to a java variable. But I don't have clue how to do this? Say for example I have this: <html> <head> <script typ..

When to use static classes in C#

Here's what MSDN has to say under When to Use Static Classes: static class CompanyInfo { public static string GetCompanyName() { return "CompanyName"; } public static string GetCompanyAddres..

What are the ascii values of up down left right?

What are the ASCII values of the arrow keys? (up/down/left/right)..

How to secure the ASP.NET_SessionId cookie?

I have set the .ASPXAUTH cookie to be https only but I am not sure how to effectively do the same with the ASP.NET_SessionId. The entire site uses HTTPS so there is no need for the cookie to work wit..

Javascript: best Singleton pattern

Possible Duplicate: Simplest/Cleanest way to implement singleton in JavaScript? I'm using this pattern for singletons, in the example the singleton is PlanetEarth: var NAMESPACE = function..

Check if a string contains numbers and letters

I want to detect if a string contains both numbers and letters. For example: Given PncC1KECj4pPVW, it would be written to a text file because it contains both. Given qdEQ, it would not, because it ..

Why does configure say no C compiler found when GCC is installed?

I am trying to make Sphinx from source on a 32-bit CentOS 6 VPS. When I run this command: ./configure --prefix=/usr/local/sphinx I get this error output: checking build environment --------------..

What is a loop invariant?

I'm reading "Introduction to Algorithm" by CLRS. In chapter 2, the authors mention "loop invariants". What is a loop invariant?..

Batch files - number of command line arguments

Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments. eg. if you have: myapp foo bar ..

Unicode (UTF-8) reading and writing to files in Python

I'm having some brain failure in understanding reading and writing text to a file (Python 2.4). # The string, which has an a-acute in it. ss = u'Capit\xe1n' ss8 = ss.encode('utf8') repr(ss), repr(ss8..

Failed to create provisioning profile

I'm trying to create a project in Xcode, Version 8.0 beta 6 (8S201h) and I'm getting this error. The apple account is a free one because I'm just playing around with Xcode but it is forcing me to s..

How to center div vertically inside of absolutely positioned parent div

I am trying to get blue container in the middle of pink one, however seems vertical-align: middle; doesn't do the job in that case. <div style="display: block; position: absolute; left: 50px; top:..

Visual Studio window which shows list of methods

In Visual Studio, is there a window which shows list of methods in the active class? A small window like the Solution Explorer would be great. In Eclipse, there is one...

Using Colormaps to set color of line in matplotlib

How does one set the color of a line in matplotlib with scalar values provided at run time using a colormap (say jet)? I tried a couple of different approaches here and I think I'm stumped. values[] i..

How do I add a library (android-support-v7-appcompat) in IntelliJ IDEA

I created a project, copied the resource files in the project, library, added it to the project structure, prescribed style Theme.AppCompat. Compiled without errors, but when you start the relegation ..

How to convert Calendar to java.sql.Date in Java?

Calendar cal; String sql = "INSERT INTO ttable (dt) values (?);" //dt is a dateTime field in ttable PreparedStatement stmt = connection.prepareStatement(sql); stmt = setDate(1,cal); //not working s..

Is there an addHeaderView equivalent for RecyclerView?

I'm looking for an equivalent to addHeaderView for a recycler view. Basically I want to have an image with 2 buttons be added as a header to the listview. Is there a different way to add a header view..

error: expected primary-expression before ')' token (C)

I am trying to call a function named characterSelection(SDL_Surface *screen, struct SelectionneNonSelectionne sel) which returns a void This is the .h of the function I try to call: struct Selectionne..

VB.NET Inputbox - How to identify when the Cancel Button is pressed?

I have a simple windows application that pops up an input box for users to enter in a date to do searches. How do I identify if the user clicked on the Cancel button, or merely pressed OK without e..

Tomcat - maxThreads vs maxConnections

In Tomcat server.xml what is maxThreads versus maxConnections I understand that maxConnections is the number of connections open to the server And maxThreads is the maximum number of request process..

Best way to get value from Collection by index

What is the best way to get value from java.util.Collection by index?..

What's the difference between an element and a node in XML?

I'm working in Java with XML and I'm wondering; what's the difference between an element and a node?..

Hibernate: failed to lazily initialize a collection of role, no session or session was closed

My code: @Test public void testAddRoleAndAddUser() { Role r = roleDao.findByProperty("name", "admin"); if(r == null) { r = new Role(); r.setName("admin"); r.setDe..

How to add a RequiredFieldValidator to DropDownList control?

I have a DropDownList binded with aSqlDataSource to display the values from the database. I am unable to validate using a RequiredFieldValidator...

Drawing circles with System.Drawing

I have this code that draws a Rectangle ( Im trying to remake the MS Paint ) case "Rectangle": if (tempDraw != null) { tempDraw = (Bitmap)snapshot...

What is the difference between absolute and relative xpaths? Which is preferred in Selenium automation testing?

What is the difference between absolute and relative xpaths? Which is preferred in Selenium automation testing? I am preparing test scripts using Selenium and Robot framework...

Cannot kill Python script with Ctrl-C

I am testing Python threading with the following script: import threading class FirstThread (threading.Thread): def run (self): while True: print 'first' class SecondThread ..

Should I use the datetime or timestamp data type in MySQL?

Would you recommend using a datetime or a timestamp field, and why (using MySQL)? I'm working with PHP on the server side...

How do I use Assert to verify that an exception has been thrown?

How do I use Assert (or other Test class?) to verify that an exception has been thrown? ..

How to compare objects by multiple fields

Assume you have some objects which have several fields they can be compared by: public class Person { private String firstName; private String lastName; private String age; /* Const..

How do you convert a jQuery object into a string?

How do you convert a jQuery object into a string?..

Is there a way to add/remove several classes in one single instruction with classList?

So far I have to do this: elem.classList.add("first"); elem.classList.add("second"); elem.classList.add("third"); While this is doable in jQuery, like this $(elem).addClass("first second third"); ..

Compiling an application for use in highly radioactive environments

We are compiling an embedded C++ application that is deployed in a shielded device in an environment bombarded with ionizing radiation. We are using GCC and cross-compiling for ARM. When deployed, our..

How to insert 1000 rows at a time

I made Wpf appliaction. I want to test it with 1000 values in grid. I want to check that whether my grid will load 1000 data records fastly or not. So how to write one query to insert more than 1000 r..

I cannot access tomcat admin console?

I am try to build an app with the integration of JPA and Struts. to do it need to access tomcat manager. But when I access URL http://localhost:8080/manager/html it gives 404 Error to me. My tomcat-..

Sending email from Command-line via outlook without having to click send

I need to send email via command-line without any human interactions for automation. I know we can use mailto command but that would compose email, subject,body and everything but it wouldn't send it..

How to unescape HTML character entities in Java?

Basically I would like to decode a given Html document, and replace all special chars, such as "&nbsp;" -> " ", "&gt;" -> ">". In .NET we can make use of HttpUtility.HtmlDecode. What's t..

How to count the number of occurrences of an element in a List

I have an ArrayList, a Collection class of Java, as follows: ArrayList<String> animals = new ArrayList<String>(); animals.add("bat"); animals.add("owl"); animals.add("bat"); animals.add("..

Sending data back to the Main Activity in Android

I have two activities: main activity and child activity. When I press a button in the main activity, the child activity is launched. Now I want to send some data back to the main screen. I used the ..

figure of imshow() is too small

I'm trying to visualize a numpy array using imshow() since it's similar to imagesc() in Matlab. imshow(random.rand(8, 90), interpolation='nearest') The resulting figure is very small at the center ..

How can I escape white space in a bash loop list?

I have a bash shell script that loops through all child directories (but not files) of a certain directory. The problem is that some of the directory names contain spaces. Here are the contents of..

How to List All Redis Databases?

I ran this command to access my redis server. telnet 6379 What is the command to show all of my databases?..

Simplest way to merge ES6 Maps/Sets?

Is there a simple way to merge ES6 Maps together (like Object.assign)? And while we're at it, what about ES6 Sets (like Array.concat)?..

Returning a boolean value in a JavaScript function

I am doing a client side form validation to check if passwords match. But the validation function always returns undefined. function validatePassword(errorMessage) { var password = document.getEle..

Pie chart with jQuery

I want to create a pie chart in JavaScript. On searching I found the Google Charts API. Since we are using jQuery I found that there is jQuery integration for Google Charts available. But my problem..

Selecting all text in HTML text input when clicked

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