Examples On Programing Languages

How do I add an element to a list in Groovy?

Let's say I've got a list, like this... def myList = ["first", 2, "third", 4.0]; How do I add (push) an element to the end of it? I come from a PHP background, and there I would just do something like $myList[] = "fifth";. What's the equivalent of...

C++ queue - simple example

I can't find simple example how to use queues in C++ for pointers to some myclass objects. I have code like this: class myclass{ string s; }; myclass *p = new myclass(); my_queue.push(p); //something.... p = my_queue.front(); my_queue.pop(); ...

SQL count rows in a table

I need to send a SQL query to a database that tells me how many rows there are in a table. I could get all the rows in the table with a SELECT and then count them, but I don't like to do it this way. Is there some other way to ask the number of the r...

Meaning of delta or epsilon argument of assertEquals for double values

I have a question about JUnit assertEquals to test double values. Reading the API doc I can see: @Deprecated public static void assertEquals(double expected, double actual) Deprecated. Use assertEquals(double expected, double actual, double delta) ...

Convert DateTime to TimeSpan

I want to convert a DateTime instance into a TimeSpan instance, is it possible? I've looked around but I couldn't find what I want, I only find time difference. More specifically, I want to convert a DateTime instance into milliseconds, to then sav...

Rearrange columns using cut

I am having a file in the following format Column1 Column2 str1 1 str2 2 str3 3 I want the columns to be rearranged. I tried below command cut -f2,1 file.txt The command doesn't reorder the columns. Any idea why its not...

How to remove unique key from mysql table

I need to remove a unique key from my mysql table. How can remove that using mysql query. I tried this but it is not working alter table tbl_quiz_attempt_master drop unique key; Please help me Thanks...

Turn Pandas Multi-Index into column

I have a dataframe with 2 index levels: value Trial measurement 1 0 13 1 3 2 4 2 0 NaN 1 12 ...

save a pandas.Series histogram plot to file

In ipython Notebook, first create a pandas Series object, then by calling the instance method .hist(), the browser displays the figure. I am wondering how to save this figure to a file (I mean not by right click and save as, but the commands needed...

Spring Bean Scopes

Can someone explain what the scopes are in Spring beans I've always just used 'prototype' but are there other parameters I can put in place of that? Example of what I'm talking about <bean id="customerInfoController" class="com.action.Controller...

How to close a Java Swing application from the code

What is the proper way to terminate a Swing application from the code, and what are the pitfalls? I'd tried to close my application automatically after a timer fires. But just calling dispose() on the JFrame didn't do the trick - the window vanished...

Android: How to overlay a bitmap and draw over a bitmap?

I have three questions actually: Is it better to draw an image on a bitmap or create a bitmap as resource and then draw it over a bitmap? Performance wise, which one is better? If I want to draw something transparent over a bitmap, how would I go a...

Boto3 to download all files from a S3 Bucket

I'm using boto3 to get files from s3 bucket. I need a similar functionality like aws s3 sync My current code is #!/usr/bin/python import boto3 s3=boto3.client('s3') list=s3.list_objects(Bucket='my_bucket_name')['Contents'] for key in list: s3.d...

How do I prevent a Gateway Timeout with FastCGI on Nginx

I am running Django, FastCGI, and Nginx. I am creating an api of sorts that where someone can send some data via XML which I will process and then return some status codes for each node that was sent over. The problem is that Nginx will throw a 504...

How to open SharePoint files in Chrome/Firefox

In Internet Explorer, I can open Sharepoint files directly from their links so the file in Sharepoint is automatically updated when I save it. But in Chrome, it asks to download the file instead of just opening it. In Firefox, it can open the file bu...

pandas: find percentile stats of a given column

I have a pandas data frame my_df, where I can find the mean(), median(), mode() of a given column: my_df['field_A'].mean() my_df['field_A'].median() my_df['field_A'].mode() I am wondering is it possible to find more detailed stats such as 90 perce...

How to import and export components using React + ES6 + webpack?

I'm playing around with React and ES6 using babel and webpack. I want to build several components in different files, import in a single file and bundle them up with webpack Let's say I have a few components like this: my-navbar.jsx import React f...

Java Date vs Calendar

Could someone please advise the current "best practice" around Date and Calendar types. When writing new code, is it best to always favour Calendar over Date, or are there circumstances where Date is the more appropriate datatype?...

Java JTable getting the data of the selected row

Are there any methods that are used to get the data of the selected row? I just want to simply click a specific row with data on it and click a button that will print the data in the Console. ...

AngularJS : Initialize service with asynchronous data

I have an AngularJS service that I want to initialize with some asynchronous data. Something like this: myModule.service('MyService', function($http) { var myData = null; $http.get('data.json').success(function (data) { myData = dat...

CSS pseudo elements in React

I'm building React components. I have added CSS inline in the components as suggested in this brilliant presentation by one of the guys behind React. I've been trying all night to find a way to add CSS pseudo classes inline, like on the slide titled ...

Why are my PowerShell scripts not running?

I wrote a simple batch file as a PowerShell script, and I am getting errors when they run. It's in a scripts directory in my path. This is the error I get: Cannot be loaded because the execution of scripts is disabled on this system. Please ...

How to "set a breakpoint in malloc_error_break to debug"

I'm getting lots of console outputs like this without my application crashing: malloc: * error for object 0xc6a3970: pointer being freed was not allocated * set a breakpoint in malloc_error_break to debug How can I find out which object or...

Split string into array of characters?

How is it possible to split a VBA string into an array of characters? I tried Split(my_string, "") but this didn't work....

How many concurrent requests does a single Flask process receive?

I'm building an app with Flask, but I don't know much about WSGI and it's HTTP base, Werkzeug. When I start serving a Flask application with gunicorn and 4 worker processes, does this mean that I can handle 4 concurrent requests? I do mean concurren...

Configure WAMP server to send email

Is there a way that I can configure the WAMP server for PHP to enable the mail() function?...

How does jQuery work when there are multiple elements with the same ID value?

I fetch data from Google's AdWords website which has multiple elements with the same id. Could you please explain why the following 3 queries doesn't result with the same answer (2)? Live Demo HTML: <div> <span id="a">1</span&g...

How can I split a delimited string into an array in PHP?

I need to split my string input into an array at the commas. How can I go about accomplishing this? Input: 9,[email protected],8 ...

How to obtain values of request variables using Python and Flask

I'm wondering how to go about obtaining the value of a POST/GET request variable using Python with Flask. With Ruby, I'd do something like this: variable_name = params["FormFieldValue"] How would I do this with Flask?...

Tomcat Servlet: Error 404 - The requested resource is not available

I am completely new to writing a Java Servlet, and am struggling to get a simple HelloWorld example to work properly. The HelloWorld.java class is: package crunch; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public clas...

Python: converting a list of dictionaries to json

I have a list of dictionaries, looking some thing like this: list = [{'id': 123, 'data': 'qwerty', 'indices': [1,10]}, {'id': 345, 'data': 'mnbvc', 'indices': [2,11]}] and so on. There may be more documents in the list. I need to convert these to ...

Read entire file in Scala?

What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.) The best I can come up with is: scala.io.Source.fromPath("file.txt").getLines.reduceLeft(_+_) or am I supposed to use...

Spring Test & Security: How to mock authentication?

I was trying to figure out how to unit test if my the URLs of my controllers are properly secured. Just in case someone changes things around and accidentally removes security settings. My controller method looks like this: @RequestMapping("/api/v...

How to copy from CSV file to PostgreSQL table with headers in CSV file?

I want to copy a CSV file to a Postgres table. There are about 100 columns in this table, so I do not want to rewrite them if I don't have to. I am using the \copy table from 'table.csv' delimiter ',' csv; command but without a table created I get E...

Error System.Data.OracleClient requires Oracle client software version 8.1.7 or greater when installs setup

I have made a desktop app Setup that connects with remote Oracle 10g Database. When I install Setup on remote machine and run my application then I get following error: system.data.oracleclient requires oracle client software version 8.1.7 or greate...

CSS media queries for screen sizes

I am currently trying to design a layout which will be compatible for multiple screen sizes. The screen sizes I am designing for are listed below: Screen Sizes: 640x480 800x600 1024x768 1280x1024 (and larger) The thing that I'm having trouble w...

Android Recyclerview GridLayoutManager column spacing

How do you set the column spacing with a RecyclerView using a GridLayoutManager? Setting the margin/padding inside my layout has no effect....

XMLHttpRequest cannot load XXX No 'Access-Control-Allow-Origin' header

tl;dr; About the Same Origin Policy I have a Grunt process which initiates an instance of express.js server. This was working absolutely fine up until just now when it started serving a blank page with the following appearing in the error log in the...

Why is Git better than Subversion?

I've been using Subversion for a few years and after using SourceSafe, I just love Subversion. Combined with TortoiseSVN, I can't really imagine how it could be any better. Yet there's a growing number of developers claiming that Subversion has p...

Redirect to specified URL on PHP script completion?

How can I get a PHP function go to a specific website when it is done running? For example: <?php //SOMETHING DONE GOTO(http://example.com/thankyou.php); ?> I would really like the following... <?php //SOMETHING DONE GOTO($url);...

Getting java.net.SocketTimeoutException: Connection timed out in android

I'm relatively new to android development. I'm developing an android application where I'm sending requests to the web server and parsing JSON objects. Frequently I'm getting java.net.SocketTimeoutException: Connection timed out exception while commu...

Adding background image to div using CSS

I have been trying to add background image to a div class using CSS, but I didn't have any success. HTML code: <header id="masthead" class="site-header" role="banner"> <div class="header-shadow">...

How to add a new column to an existing sheet and name it?

Suppose I have the worksheet below: Empid EmpName Sal 1 david 100 2 jhon 200 3 steve 300 How can I insert a new column named "Loc"? Empid EmpName Loc Sal 1 david uk 100 2 jhon us 200 3 ...

repository element was not specified in the POM inside distributionManagement element or in -DaltDep loymentRepository=id::layout::url parameter

I'm having a problem while deploying and here is the error message I get: [INFO] [INFO] --- maven-deploy-plugin:2.7:deploy (default-deploy) @ core --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILU...

Saving a text file on server using JavaScript

Is it possible to save text to a new text file using JavaScript/jQuery without using PHP? The text I'm trying to save may contain HTML entities, JS, HTML, CSS and PHP scripts that I don't want to escape or use urlencode! If it's only can be achieved...

Aligning a button to the center

I have a simple submit button. I am wanting to align it to the center. Here is my code: <input type="submit" name="btnSubmit" value="Submit" onClick="Submit" align="center"> However, it does not work. What is the best/easiest way to do this?...

How do you determine a processing time in Python?

I'm new to Python, and confused by the date/time documentation. I want to compute the time that it takes to perform a computation. In java, I would write: long timeBefore = System.currentTimeMillis(); doStuff(); long timeAfter = System.currentTime...

Change grid interval and specify tick labels in Matplotlib

I am trying to plot counts in gridded plots, but I am not being able to figure out how I go about it. I want to: Have dotted grids at an interval of 5 Have major tick labels only every 20 I want the ticks to be outside the plot. Have "counts...

Should I use Vagrant or Docker for creating an isolated environment?

I use Ubuntu for development and deployment and have a need for creating an isolated environment. I am considering either Vagrant or Docker for this purpose. What are the pros and cons, or how do these solutions compare?...

How to use KeyListener

I am currently trying to implement a keylistener in my program so that it does an action when I pressed an arrow key, the object in my program either moves left or right. Here is the moving method in my program public void moveDirection(KeyEvent e)...

Find what 2 numbers add to something and multiply to something

Hey so I'm making a factoring program and I'm wondering if anyone can give me any ideas on an efficient way to find what two numbers multiple to a specified number, and also add to a specified number. for example I may have (a)(b) = 6 a + b = 5 S...

SVN Commit failed, access forbidden

Recently I am facing problem of commit to SVN. The SVN server I am using is VisualSVN Server 2.5.9 and the client is TortoiseSVN 1.7.12. At first, one user is having problem to commit files to SVN. But that user still can access to the repository an...

How to make layout with View fill the remaining space?

I'm designing my application UI. I need a layout looks like this: (< and > are Buttons). The problem is, I don't know how to make sure the TextView will fill the remaining space, with two buttons have fixed size. If I use fill_parent for Text ...

Any way to return PHP `json_encode` with encode UTF-8 and not Unicode?

Any way to return PHP json_encode with encode UTF-8 and not Unicode? $arr=array('a'=>'á'); echo json_encode($arr); mb_internal_encoding('UTF-8');and $arr=array_map('utf8_encode',$arr); does not fix it. Result: {"a":"\u00e1"} Expected result:...

Bootstrap: Use .pull-right without having to hardcode a negative margin-top

This is my code (please see fiddle here): <div class='container'> <div class='hero-unit'> <h2>Welcome</h2> <p>Please log in</p> <div id='login-box' class='pull-right control-group'&...

Detect if range is empty

I want to check if a range in Excel is empty. How do I write in VBA code: If Range("A38":"P38") is empty ...

Seeking useful Eclipse Java code templates

You can create various Java code templates in Eclipse via Window > Preferences > Java > Editor > Templates e.g. sysout is expanded to: System.out.println(${word_selection}${});${cursor} You can activate this by typing sysout followed by CTRL+SP...

Pointer to 2D arrays in C

I know there is several questions about that which gives good (and working) solutions, but none IMHO which says clearly what is the best way to achieve this. So, suppose we have some 2D array : int tab1[100][280]; We want to make a pointer that po...

How do I get the current location of an iframe?

I have built a basic data entry application allowing users to browse external content in iframe and enter data quickly from the same page. One of the data variables is the URL. Ideally I would like to be able to load the iframes current url into a te...

Submit form with Enter key without submit button?

Possible Duplicate: HTML: Submitting a form by pressing enter without a submit button How can I submit a form with just the Enter key on a text input field, without having to add a submit button? I remember this worked in the past, but I ...

How to convert file to base64 in JavaScript?

UPD TypeScript version is also available in answers Now I'm getting File object by this line: file = document.querySelector('#files > input[type="file"]').files[0] I need to send this file via json in base 64. What should I do to conver...

How can I use grep to find a word inside a folder?

In Windows, I would have done a search for finding a word inside a folder. Similarly, I want to know if a specific word occurs inside a directory containing many sub-directories and files. My searches for grep syntax shows I must specify the filename...

Do I need a content-type header for HTTP GET requests?

As far as I understood there are two places where to set the content type: The client sets a content type for the body he is sending to the server (e.g. for post) The server sets a content type for the response. Does this mean I don't have to or ...

No module named setuptools

I want to install setup file of twilio. When I install it through given command it is given me an error: No module named setuptools. Could you please let me know what should I do? I am using python 2.7 Microsoft Windows [Version 6.1.7601] C...

Passing an array by reference in C?

How can I pass an array of structs by reference in C? As an example: struct Coordinate { int X; int Y; }; SomeMethod(Coordinate *Coordinates[]){ //Do Something with the array } int main(){ Coordinate Coordinates[10]; SomeMethod(&...

Why does Math.Round(2.5) return 2 instead of 3?

In C#, the result of Math.Round(2.5) is 2. It is supposed to be 3, isn't it? Why is it 2 instead in C#?...

Detected both log4j-over-slf4j.jar AND slf4j-log4j12.jar on the class path, preempting StackOverflowError.

I have used xuggle library in my project to trans code the video from mp4 to flv. I have used slf4j libraries also to support logging end. import com.xuggle.mediatool.IMediaReader; import com.xuggle.mediatool.IMediaViewer; import com.xuggle.mediatoo...

Change NULL values in Datetime format to empty string

I have a table which contains 'NULL' values which are of type 'Datetime'. Now i have to convert those into empty string but when when i use convert function ISNULL( [Accrued Out of Default] ,'' ) here accrued into default is of datetime type, what...

MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoNetworkError: connect ECONNREFUSED 127.0.0.1:27017]

I'm new in nodeJS, started learning by following a trailer on youtube, everything goes well until I added the connect function if mongodb, mongo.connect("mongodb://localhost:27017/mydb") when I run my code on cmd (node start-app), get the followin...

@RequestParam in Spring MVC handling optional parameters

Is it possible for a Spring controller to handle both kind of requests? 1) http://localhost:8080/submit/id/ID123432?logout=true 2) http://localhost:8080/submit/id/ID123432?name=sam&password=543432 If I define a single controller of the kind: ...

Strict Standards: Only variables should be assigned by reference PHP 5.4

I upgraded my PHP version to 5.4 (XAMPP 1.7.3 to 1.8.0). Now I see Strict Standards error, for myDBconnection: Strict Standards: Only variables should be assigned by reference in C:\xampp\htdocs\alous\include\dbconn.php on line 4 dbconn.php: <?p...

Spark RDD to DataFrame python

I am trying to convert the Spark RDD to a DataFrame. I have seen the documentation and example where the scheme is passed to sqlContext.CreateDataFrame(rdd,schema) function. But I have 38 columns or fields and this will increase further. If I manu...

'module' object is not callable - calling method in another file

I have a fair background in java, trying to learn python. I'm running into a problem understanding how to access methods from other classes when they're in different files. I keep getting module object is not callable. I made a simple function to ...

Which JRE am I using?

There are two varieties of JRE available. Java VM: IBM vs. Sun. Is there a way to know which JRE I am using through JavaScript or some Java issued command....

Create an empty object in JavaScript with {} or new Object()?

There are two different ways to create an empty object in JavaScript: var objectA = {} var objectB = new Object() Is there any difference in how the script engine handles them? Is there any reason to use one over the other? Similarly it is also p...

Does Java have a complete enum for HTTP response codes?

I'm wondering if there is an enum type in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values. I'm debugging some Java code ...

Change background of LinearLayout in Android

I am working on an Android application. I want to change the background of a LinearLayout element. What attribute can I set in order to change its background?...

What are the best PHP input sanitizing functions?

I am trying to come up with a function that I can pass all my strings through to sanitize. So that the string that comes out of it will be safe for database insertion. But there are so many filtering functions out there I am not sure which ones I sho...

Grouping functions (tapply, by, aggregate) and the *apply family

Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. However, I've never quite understood the differences between them -- how {sapply, lapply, etc.} apply the function to the input/grouped input, what t...

VirtualBox: mount.vboxsf: mounting failed with the error: No such device

I'm using VirtualBox with OS X as host and CentOS on the guest VM. In OS X I created folder myfolder, added it as shared folder to the VM, turned on the VM, in CentOS created folder /home/user/myfolder and typing: sudo mount -t vboxsf myfolder /hom...

Difference between OpenJDK and Adoptium/AdoptOpenJDK

Due to recent Oracle Java SE Support Roadmap policy update (end of $free release updates from Oracle after March 2019 in particular), I've been searching for alternatives to Oracle Java. I've found that OpenJDK is an open-source alternative. And I've...

Pass a JavaScript function as parameter

How do I pass a function as a parameter without the function executing in the "parent" function or using eval()? (Since I've read that it's insecure.) I have this: addContact(entityId, refreshContactList()); It works, but the problem is that refr...

Finding the length of an integer in C

I would like to know how I can find the length of an integer in C. For instance: 1 => 1 25 => 2 12512 => 5 0 => 1 and so on. How can I do this in C?...

How to convert an ASCII character into an int in C

How can I convert an ASCII character into an int in C?...

Boolean.parseBoolean("1") = false...?

sorry to be a pain... I have: HashMap<String, String> o o.get('uses_votes'); // "1" Yet... Boolean.parseBoolean(o.get('uses_votes')); // "false" I'm guessing that ....parseBoolean doesn't accept the standard 0 = false 1 = true? Am I doin...

Java SecurityException: signer information does not match

I recompiled my classes as usual, and suddenly got the following error message. Why? How can I fix it? java.lang.SecurityException: class "Chinese_English_Dictionary"'s signer information does not match signer information of other classes in the sam...

download file using an ajax request

I want to send an "ajax download request" when I click on a button, so I tried in this way: javascript: var xhr = new XMLHttpRequest(); xhr.open("GET", "download.php"); xhr.send(); download.php: <? header("Cache-Control: public"); header("Co...

How to check whether a string contains a substring in Ruby

I have a string variable with content: varMessage = "hi/thsid/sdfhsjdf/dfjsd/sdjfsdn\n" "/my/name/is/balaji.so\n" "call::myFunction(int const&)\n" "void::secondFunction(char const&)\n" ...

Bad operand type for unary +: 'str'

I cannot figure out a problem I am having with code written in Python 2.7. I am converting the references to ints, but I keep getting a type exception bad operand type for unary +: 'str'. Can anyone assist? import urllib2 import time import datetime...

Permutation of array

For example I have this array: int a[] = new int[]{3,4,6,2,1}; I need list of all permutations such that if one is like this, {3,2,1,4,6}, others must not be the same. I know that if the length of the array is n then there are n! possible combina...

CSS Box Shadow - Top and Bottom Only

I cannot find any examples of how to do this, but how can I add a box shadow only to the top and bottom of an element?...

Message 'src refspec master does not match any' when pushing commits in Git

I clone my repository with: git clone ssh://xxxxx/xx.git But after I change some files and add and commit them, I want to push them to the server: git add xxx.php git commit -m "TEST" git push origin master But the error I get back is: error:...

EPPlus - Read Excel Table

Using EPPlus, I want to read an excel table, then store all the contents from each column into its corresponding List. I want it to recognize the table's heading and categorize the contents based on that. For example, if my excel table is as below: ...

Horizontal ListView in Android?

Is it possible to make the ListView horizontally? I have done this using a gallery view, but the selected item comes to the center of the screen automatically. I don't want the selected item at the same spot I clicked. How can I rectify this problem?...

'profile name is not valid' error when executing the sp_send_dbmail command

I have a windows account with users group and trying to exec sp_send_dbmail but getting an error: profile name is not valid. However, when I logged in as administrator and execute the sp_send_dbmail, it managed to send the email so obviously the pr...

How to change the default collation of a table?

create table check2(f1 varchar(20),f2 varchar(20)); creates a table with the default collation latin1_general_ci; alter table check2 collate latin1_general_cs; show full columns from check2; shows the individual collation of the columns as 'lati...

A JNI error has occurred, please check your installation and try again in Eclipse x86 Windows 8.1

public class LoginCumReg implements ActionListener,KeyListener { private JFrame form; private JTextField txtunm; private JTextField txtnm; private JTextField txteml; private JButton cmdcreate; priva...

Parsing JSON array into java.util.List with Gson

I have a JsonObject named "mapping" with the following content: { "client": "127.0.0.1", "servers": [ "8.8.8.8", "8.8.4.4", "156.154.70.1", "156.154.71.1" ] } I know I can get the array "servers" with: ...

How to set-up a favicon?

I am trying to do a very simple preliminary exercise to setting up a website which is creating a favicon. This is the code I am using: <!DOCTYPE html > <html lang="en-US"> <head profile="http://www.w3.org/2005/10/profile"> <li...

What's the fastest way to do a bulk insert into Postgres?

I need to programmatically insert 10's of millions of records into a postgres database. Presently I am executing 1000's of insert statements in a single "query". Is there a better way to do this, some bulk insert statement I dont know about?...

Find and copy files

Why does the following does not copy the files to the destination folder? # find /home/shantanu/processed/ -name '*2011*.xml' -exec cp /home/shantanu/tosend {} \; cp: omitting directory `/home/shantanu/tosend' cp: omitting directory `/home/shantanu...

What is the difference between compare() and compareTo()?

What is the difference between Java's compare() and compareTo() methods? Do those methods give same answer?...

Executing an EXE file using a PowerShell script

I'm trying to execute an EXE file using a PowerShell script. If I use the command line it works without a problem (first I supply the name of the executable and series of parameters to invoke it): "C:\Program Files\Automated QA\TestExecute 8\Bin\Tes...

What is the T-SQL To grant read and write access to tables in a database in SQL Server?

What is the exact SQL to assign db_datareader and db_datawriter roles to a user in SQL Server? The user name is MYUSER and the database is MYDB....

Box-Shadow on the left side of the element only

I have been having trouble setting a box shadow on the left side of an element only. I tried this: box-shadow: -10px 0px 3px 0px #aaa; However, the box shadow looks more like a grey line and lacks the regular shadow-effect that I am used to when ...

How to check cordova android version of a cordova/phonegap project?

I have received a Security Alert from Google this week that tells me to upgrade my android version of cordova app. The email from google is as below - This is a notification that your --apps ids--, is built on a version of Apache Cordova that contai...

Open new popup window without address bars in firefox & IE

hope someone can help. just cannot get a new window to open in Firefox without address bars. IE works fine with below code window.open('/pageaddress.html', 'winname', directories=0,titlebar=0,toolbar=0,location=0,status=0, menubar=0,s...

Installing Bootstrap 3 on Rails App

I'm trying to install Bootstrap 3.0 on my Rails app. I recently finished Michael Hartl's tutorial and am now trying to build my own system using this new version of Bootstrap, but I have a few questions that I'm not sure about. My system specs: OS...

How to get the current URL within a Django template?

I was wondering how to get the current URL within a template. Say my current URL is: .../user/profile/ How do I return this to the template?...

add an element to int [] array in java

Want to add or append elements to existing array int[] series = {4,2}; now i want to update the series dynamically with new values i send.. like if i send 3 update series as int[] series = {4,2,3}; again if i send 4 update series as int[] seri...

Java 8 Streams: multiple filters vs. complex condition

Sometimes you want to filter a Stream with more than one condition: myList.stream().filter(x -> x.size() > 10).filter(x -> x.isCool()) ... or you could do the same with a complex condition and a single filter: myList.stream().filter(x -&...

Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X?

I would like to know if there are any applications like fiddler but for mac OS X, as I need to debug some requests from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well. ...

Compare two Lists for differences

I would like some feedback on how we can best write a generic function that will enable two Lists to be compared. The Lists contain class objects and we would like to iterate through one list, looking for the same item in a second List and report any...

Sum values in a column based on date

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I'm trying to dynamically add and remove Fragments from a ViewPager, adding works without any problems, but removing doesn't work as expected. Everytime I want to remove the current item, the last one gets removed. I also tried to use an FragmentSt...

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How do I restart an Android Activity? I tried the following, but the Activity simply quits. public static void restartActivity(Activity act){ Intent intent=new Intent(); intent.setClass(act, act.getClass()); act.startActivi...

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Is it possible to change an application icon directly from the program? I mean, change icon.png in the res\drawable folder. I would like to let users to change application's icon from the program so next time they would see the previously selected ic...

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How can I show/hide component with JSF? I am currently trying so do the same with the help of javascript but not successfull. I cannot use any third party libraries. Thanks| Abhi...

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We have a REST API where clients can supply parameters representing values defined on the server in Java Enums. So we can provide a descriptive error, we add this lookup method to each Enum. Seems like we're just copying code (bad). Is there a bet...

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I have ActionBarActivity with NavigationDrawer and use support_v7 Toolbar as ActionBar. In one of my fragments toolbar has custom view. In other fragments Toolbar should show title. How get Toolbar instance for customizing from fragments? I can get ...

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I'm working on a simple script that involves CAS, jspring security check, redirection, etc. I would like to use Kenneth Reitz's python requests because it's a great piece of work! However, CAS requires getting validated via SSL so I have to get pas...

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I know that there is a post similar to this : here. I tried using the comp command like it mentioned, but if I have two files, one with data like "abcd" and the other with data "abcde", it just says the files are of different sizes. I wanted to know ...

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How do I implement a progress bar and backgroundworker for database calls in C#? I do have some methods that deal with large amounts of data. They are relatively long running operations, so I want to implement a progress bar to let the user know tha...

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I'm looking to place a video in an HTML5 page that will begin playing on page-load, and once completed, loop back to the beginning without a break. The video should also NOT have any controls associated with it, and either be compatible with all 'mod...