Examples On Programing Languages

CUDA incompatible with my gcc version

I have troubles compiling some of the examples shipped with CUDA SDK. I have installed the developers driver (version 270.41.19) and the CUDA toolkit, then finally the SDK (both the 4.0.17 version). Initially it didn't compile at all giving: error ...

Creating a URL in the controller .NET MVC

I need to be able to construct a link in the Action on the controller to send an email. What is best practice to do this? I don't want to construct it myself in case my routes change. Should I have a view for each email and render that and send it?...

What do \t and \b do?

I expect this simple line of code printf("foo\b\tbar\n"); to replace "o" with "\t" and to produce the following output fo bar (assuming that tab stop occurs every 8 characters). On the contrary I get foo bar It seems that my shell int...

Do copyright dates need to be updated?

Every now and then I see a web site that has an old copyright date. In my mind, I always think "Look at the sucker who forgot to update his copyright year!" Then, while I was hard-coding a copyright year into the site I'm currently designing, it sudd...

Failed to load AppCompat ActionBar with unknown error in android studio

Below is my xml file. In preview there is two error'Failed to load AppCompat ActionBar with unknown error' & 'Failed to instaniate more than one class'. How ever am able to run the app.But the app crashes and in Logcat no errors are shown. This...

Android: ScrollView force to bottom

I would like a ScrollView to start all the way at the bottom. Any methods?...

Get pandas.read_csv to read empty values as empty string instead of nan

I'm using the pandas library to read in some CSV data. In my data, certain columns contain strings. The string "nan" is a possible value, as is an empty string. I managed to get pandas to read "nan" as a string, but I can't figure out how to get i...

update columns values with column of another table based on condition

How to return HTTP 500 from ASP.NET Core RC2 Web Api?

Back in RC1, I would do this: [HttpPost] public IActionResult Post([FromBody]string something) { try{ // ... } catch(Exception e) { return new HttpStatusCodeResult((int)HttpStatusCode.InternalServerError); } ...

ThreeJS: Remove object from scene

I'm using ThreeJS to develop a web application that displays a list of entities, each with corresponding "View" and "Hide" button; e.g. entityName View Hide. When user clicks View button, following function is called and entity drawn on screen succes...

Force "git push" to overwrite remote files

I want to push my local files, and have them on a remote repo, without having to deal with merge conflicts. I just want my local version to have priority over the remote one. How can I do this with Git?...

Configuration Error: <compilation debug="true" targetFramework="4.0"> ASP.NET MVC3

I'm trying to deploy my website on somee.com but keeps getting this error I've tried googling and it says I have to change my App Pool to ASP.NET 4.0. I've tried that already but with no luck:( Informations: -My site was coded in 4.0 Framework...

Understanding the ngRepeat 'track by' expression

I'm having difficulties understanding how the track by expression of ng-repeat in angularjs works. The documentation is very scarce: http://docs.angularjs.org/api/ng/directive/ngRepeat Can you explain what the difference between those two snippets o...

How to host material icons offline?

My apologies if this is a very simple question, but how do you use google material icons without a <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> ? I would like my app to be able to display the ico...

Float a DIV on top of another DIV

I was recently assigned the job of copying a JS popup our previous web developer made. I've got it very similar yet there's one thing I can't get, for the close button (X) to float over the popup in the top right corner (rather than being sat on top ...

'module' has no attribute 'urlencode'

When I try to follow the Python Wiki's example related to URL encoding: >>> import urllib >>> params = urllib.urlencode({'spam': 1, 'eggs': 2, 'bacon': 0}) >>> f = urllib.urlopen("http://www.musi-cal.com/cgi-bin/query", pa...

SQLite error 'attempt to write a readonly database' during insert?

I have a SQLite database that I am using for a website. The problem is that when I try to INSERT INTO it, I get a PDOException SQLSTATE[HY000]: General error: 8 attempt to write a readonly database I SSH'd into the server and checked permissions, ...

Get unique values from arraylist in java

I have an ArrayList with a number of records and one column contains gas names as CO2 CH4 SO2 etc.Now i want to retrieve different gas names(unique) only without repetation from the ArrayList. How can it be done?...

Appending an element to the end of a list in Scala

I can't add an element of type T into a list List[T]. I tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem?...

Rails: How to run `rails generate scaffold` when the model already exists?

I'm new to Rails so my current project is in a weird state. One of the first things I generated was a "Movie" model. I then started defining it in more detail, added a few methods, etc. I now realize I should have generated it with rails generate ...

Jquery select this + class

How can I select a class from that object this? $(".class").click(function(){ $("this .subclass").css("visibility","visible"); }) I want to select a $(this+".subclass"). How can I do this with Jquery?...

How to list all `env` properties within jenkins pipeline job?

Given a jenkins build pipeline, jenkins injects a variable env into the node{}. Variable env holds environment variables and values. For example, environment variable BRANCH_NAME can be accessed with node { echo ${env.BRANCH_NAME} ... I want...

Ignore .classpath and .project from Git

I keep myself telling me and others not to commit .classpath and .project files and use Maven. Somehow, Junior developers always ignore certain rules and commits those files and it's much better to have such files for newbies who can jump and ...

How can I insert a line break into a <Text> component in React Native?

I want to insert a new line (like \r\n, <br />) in a Text component in React Native. If I have: <text> <br /> Hi~<br /> this is a test message.<br /> </text> Then React Native renders Hi~ this is a test message. I...

What does git rev-parse do?

What does git rev-parse do? I have read the man page but it raised more questions than answers. Things like: Pick out and massage parameters Massage? What does that mean? I'm using as a resolver (to SHA1) of revision specifiers, like git rev...

How can I make a button redirect my page to another page?

I have been trying the following: <form action="/home" class="inline"> <button class="float-left submit-button" >Home</button> </form> It seems to work but it goes to the page "/home?" Is there a better way for me to m...

Laravel Unknown Column 'updated_at'

I've just started with Laravel and I get the following error: Unknown column 'updated_at' insert into gebruikers (naam, wachtwoord, updated_at, created_at) I know the error is from the timestamp column when you migrate a table but I'm not us...

Detecting touch screen devices with Javascript

In Javascript/jQuery, how can I detect if the client device has a mouse? I've got a site that slides up a little info panel when the user hovers their mouse over an item. I'm using jQuery.hoverIntent to detect the hover, but this obviously doesn'...

How to edit data in result grid in SQL Server Management Studio

I want to edit some row values once I get a query output in the result grid. Its true that we can right click the table and say open table to get an editable table output, but what I want is editable query output, only certain rows matching for my cr...

Laravel Migration Change to Make a Column Nullable

I created a migration with unsigned user_id. How can I edit user_id in a new migration to also make it nullable()? Schema::create('throttle', function(Blueprint $table) { $table->increments('id'); // this needs to also be nullable, how sh...

Changing background color of text box input not working when empty

I am having a tough time with this javascript code to change the background color of a text input if the input is empty. Here is the code: function checkFilled() { var inputVal = document.getElementById("subEmail").value; if (inputVal == ""...

How to use a DataAdapter with stored procedure and parameter

I want to fill a DataGridView control using DataAdapter. But I don't know how to do it since I'm using a stored procedure with parameter. Can someone cite an example please?...

Android widget: How to change the text of a button

How can I change the text of an Android button widget within code and not the XML file?...

os.path.dirname(file) returns empty

I want to get the path of the current directory under which a .py file is executed. For example a simple file D:\test.py with code: import os print os.getcwd() print os.path.basename(__file__) print os.path.abspath(__file__) print os.path.dirname(...

Eloquent: find() and where() usage laravel

I am trying to get a record from a posts database table using its id. I've been banging my head on the find() method for quite sometime now, confused as to why it wasn't working. Here is my query that looks correct to me but didn't work: $post = Pos...

How do I check if a file exists in Java?

How can I check whether a file exists, before opening it for reading in Java (the equivalent of Perl's -e $filename)? The only similar question on SO deals with writing the file and was thus answered using FileWriter which is obviously not app...

Can we add div inside table above every <tr>?

Hi am trying to add a div above every <tr> but when i look at the html console the div are showing outside the table. below is the html code. <table> <div> <tr><td></td></tr> </div> <div&g...

Populating VBA dynamic arrays

The following code gives me error 9 "subscript out of range". I meant to declare a dynamic array so that the dimension changes as I add elements to it. Do I have to create a "spot" on the array before I store something in it like in JS? Sub test_arr...

How to pass anonymous types as parameters?

How can I pass anonymous types as parameters to other functions? Consider this example: var query = from employee in employees select new { Name = employee.Name, Id = employee.Id }; LogEmployees(query); The variable query here doesn't have strong ...

Set a button background image iPhone programmatically

In Xcode, how do you set the background of a UIButton as an image? Or, how can you set a background gradient in the UIButton?...

ServletContext.getRequestDispatcher() vs ServletRequest.getRequestDispatcher()

why getRequestDispatcher(String path) of the ServletRequest interface cannot extend outside the current servlet context where as getRequestDispatcher(String path) of the ServletContext can use the getContext(String uripath) meth...

How do I extract data from a DataTable?

I have a DataTable that is filled in from an SQL query to a local database, but I don't know how to extract data from it. Main method (in test program): static void Main(string[] args) { const string connectionString = "server=localhost\\SQLExpr...

Validating an XML against referenced XSD in C#

I have an XML file with a specified schema location such as this: xsi:schemaLocation="someurl ..\localSchemaPath.xsd" I want to validate in C#. Visual Studio, when I open the file, validates it against the schema and lists errors perfectly. Some...

What is difference between INNER join and OUTER join

Difference between inner and outer join. i am using two table and want to fetch data from both table so which type join we should use owning of that we can solve our problem ...

Maven plugins can not be found in IntelliJ

After updating IntelliJ from version 12 to 13, the following Maven-related plugins cannot be resolved: org.apache.maven.plugins:maven-clean-plugin:2.4.1 org.apache.maven.plugins:maven-deploy-plugin org.apache.maven.plugins:maven-install-plugin org.ap...

Java - Access is denied java.io.FileNotFoundException

I have the following code: List<FileItem> items = uploadHandler.parseRequest(request); for (FileItem item : items) { if (!item.isFormField()) { File file = new File("D:/Data"); } } When I am trying to save a file, I am gettin...

How to delete columns in numpy.array

I would like to delete selected columns in a numpy.array . This is what I do: n [397]: a = array([[ NaN, 2., 3., NaN], .....: [ 1., 2., 3., 9]]) In [398]: print a [[ NaN 2. 3. NaN] [ 1. 2. 3. 9.]] In [399]: z = any(...

How to enable Auto Logon User Authentication for Google Chrome

I have a site I go to that allows me to auto log in with my creditentials (windows) and using Internet Explorer I can just set the option under "User Authentication" to "Automatic logon with current user name and password", but I'm wanting to use Goo...

Regex allow digits and a single dot

What would be the regex to allow digits and a dot? Regarding this \D only allows digits, but it doesn't allow a dot, I need it to allow digits and one dot this is refer as a float value I need to be valid when doing a keyup function in jQuery, but al...

Webdriver and proxy server for firefox

are there any ways to set firefox's proxy settings? I found here information about FoxyProxy but when Selenium works, plugins are unactivated in window....

jquery count li elements inside ul -> length?

If a ul has more than one li-element inside of it, something should happen, otherwise not! What am I doing wrong? if ( $('#menu ul').length > 1 ) { ...

Editing an item in a list<T>

How do I edit an item in the list in the code below: List<Class1> list = new List<Class1>(); int count = 0 , index = -1; foreach (Class1 s in list) { if (s.Number == textBox6.Text) index = count; // I found a match and I wan...

How can I parse a local JSON file from assets folder into a ListView?

I'm currently developing a physics app that is supposed to show a list of formulas and even solve some of them (the only problem is the ListView) This is my main layout <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"...

Find all matches in workbook using Excel VBA

I am trying to write a VBA routine that will take a string, search a given Excel workbook, and return to me all possible matches. I currently have an implementation that works, but it is extremely slow as it is a double for loop. Of course the buil...

How to create a temporary table in SSIS control flow task and then use it in data flow task?

I have a control flow where I create a temp database and table in a with a T-SQL Command. When I add a dataflow I would like to query the table but I can't because the table doesn't exist to grab information from. When I try I get errors about loggin...

int main() vs void main() in C

In C, I know that int main() returns an int where void main() does not. Other than that, is there a difference between them? Is the first better than the second?...

Load arrayList data into JTable

I'm trying to set items from a method called FootballClub and so far it's fine. but then I created an arrayList from it and I somehow can't find a way to store this information into a JTable. The problem is that i cant find a way to set a fixed numbe...

Regex any ASCII character

What is the regex to match xxx[any ASCII character here, spaces included]+xxx? I am trying xxx[(\w)(\W)(\s)]+xxx, but it doesn't seem to work....

How do I link to part of a page? (hash?)

How do you link (with <a>) so that the browser goes to certain subheading on the target page as opposed to the top?...

Delete specified file from document directory

I want to delete an image from my app document directory. Code I have written to delete image is: -(void)removeImage:(NSString *)fileName { fileManager = [NSFileManager defaultManager]; paths = NSSearchPathForDirectoriesInDomains(NSDocum...

Update data on a page without refreshing

I have a website where I need to update a status. Like for a flight, you are departing, cruise or landed. I want to be able to refresh the status without having my viewers to have and reload the whole page. I know there is a way to do it with AJAX an...

How to get Linux console window width in Python

Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window. Edit Looking for a solution that works on Linux...

WCF ServiceHost access rights

I get the following error when going through the WCF tutorial. HTTP could not register URL http://+:8000/ServiceModelSamples/Service/. Your process does not have access rights to this namespace (see http://go.microsoft.com/fwlink/?LinkId=70353 for d...

OpenSSL: unable to verify the first certificate for Experian URL

I am trying to verify an SSL connection to Experian in Ubuntu 10.10 with OpenSSL client. openssl s_client -CApath /etc/ssl/certs/ -connect dm1.experian.com:443 The problem is that the connection closes with a Verify return code: 21 (unable to ver...

Hide axis values but keep axis tick labels in matplotlib

I have this image: plt.plot(sim_1['t'],sim_1['V'],'k') plt.ylabel('V') plt.xlabel('t') plt.show() I want to hide the numbers; if I use: plt.axis('off') ...I get this image: It also hide the labels, V and t. How can I keep the labels while ...

Can you change a path without reloading the controller in AngularJS?

It's been asked before, and from the answers it doesn't look good. I'd like to ask with this sample code in consideration... My app loads the current item in the service that provides it. There are several controllers that manipulate the item data w...

enable or disable checkbox in html

I want to enable or disable checkbox in table's row on basis of condition. code - <td><input type="checkbox" name="repriseCheckBox" disabled={checkStat == 1 ? true : false}/></td> if checkStat = 1, need to disable checkbox else...

Returning Arrays in Java

I have absolutely no idea as to why this code won't return an array... I feel like there is a problem with my compiler: public class trial1{ public static void main(String[] args){ numbers(); } public static int[] numbers(){ ...

Running PowerShell as another user, and launching a script

I won't get into all the details of why I need this, but users must be able to launch PowerShell as a service account and when PowerShell loads it needs to run a script. I already can launch PowerShell with the stored credentials (stored as a secure ...

Import Error: No module named numpy

I have a very similar question to this question, but still one step behind. I have only one version of Python 3 installed on my Windows 7 (sorry) 64-bit system. I installed numpy following this link - as suggested in the question. The installation w...

Format a JavaScript string using placeholders and an object of substitutions?

I have a string with say: My Name is %NAME% and my age is %AGE%. %XXX% are placeholders. We need to substitute values there from an object. Object looks like: {"%NAME%":"Mike","%AGE%":"26","%EVENT%":"20"} I need to parse the object and replace the...

Android get current Locale, not default

How do I get the user's current Locale in Android? I can get the default one, but this may not be the current one correct? Basically I want the two letter language code from the current locale. Not the default one. There is no Locale.current()...

Lambda function in list comprehensions

Why is the output of the following two list comprehensions different, even though f and the lambda function are the same? f = lambda x: x*x [f(x) for x in range(10)] and [lambda x: x*x for x in range(10)] Mind you, both type(f) and type(lambda ...

What is a "bundle" in an Android application

What is a bundle in an Android application? When to use it?...

How do I shut down a python simpleHTTPserver?

So I'm trying to learn d3, and the wiki suggested that To view the examples locally, you must have a local web server. Any web server will work; for example you can run Python's built-in server: python -m SimpleHTTPServer 8888 & ...

JavaScript - document.getElementByID with onClick

I'm trying to code a simple game in an HTML document just for fun. In it, there is an image which adds to your score when clicked. I created a simple if statement within the score-adding function which should change the image and what its onClick val...

MVC4 StyleBundle not resolving images

My question is similar to this: ASP.NET MVC 4 Minification & Background Images Except that I want to stick with MVC's own bundling if I can. I'm having a brain crash trying to figure out what the correct pattern is for specifying style bund...

Why does the Visual Studio editor show dots in blank spaces?

I have a strange bug in the Visual Studio text editor. All my blank spaces are replaced by a "." public class Person { int age; } looks like this public..class..Person.......................... {.................. ..int age;................... ...

document.getElementById().value doesn't set the value

Browser is chromium (under ubuntu) This is a chunk of code: (of course) The alert messages shows the right value. but the points element doesn't get the right value, it actually gets empty. Can anybody tell me why? Here's how points element is de...

How to get current language code with Swift?

I want get the language code of the device (en, es...) in my app written with Swift. How can get this? I'm trying this: var preferredLanguages : NSLocale! let pre = preferredLanguages.displayNameForKey(NSLocaleIdentifier, value: preferredLanguages)...

How to find the width of a div using vanilla JavaScript?

How do you find the current width of a <div> in a cross-browser compatible way without using a library like jQuery?...

What is the difference between float and double?

I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floa...

Logical operator in a handlebars.js {{#if}} conditional

Is there a way in handlebars JS to incorporate logical operators into the standard handlebars.js conditional operator? Something like this: {{#if section1 || section2}} .. content {{/if}} I know I could write my own helper, but first I'd like to m...

R barplot Y-axis scale too short

I'm trying to generate a barplot, but the y-axis scale is too short. Here's my code: barplot(as.matrix(dat), log="y", ylim=c(10000,100000000), beside=TRUE, ylab = "Number of reads", col = c("gray","black","white")) It leaves the room for...

How to remove close button on the jQuery UI dialog?

How do I remove the close button (the X in the top-right corner) on a dialog box created by jQuery UI?...

How can I run code on a background thread on Android?

I want some code to run in the background continuously. I don't want to do it in a service. Is there any other way possible? I have tried calling the Thread class in my Activity but my Activity remains in the background for sometime and then it sto...

How to see what privileges are granted to schema of another user

Consider the case : In a database , I have two users A and B and their corresponding schema. I want to know , How can I get the information : what permissions are there for USER A in Schema B . Consider the case : We have two users and their associ...

Does Python have an ordered set?

Python has an ordered dictionary. What about an ordered set?...

reading and parsing a TSV file, then manipulating it for saving as CSV (efficiently)

My source data is in a TSV file, 6 columns and greater than 2 million rows. Here's what I'm trying to accomplish: I need to read the data in 3 of the columns (3, 4, 5) in this source file The fifth column is an integer. I need to use this integer ...

Python: fastest way to create a list of n lists

So I was wondering how to best create a list of blank lists: [[],[],[]...] Because of how Python works with lists in memory, this doesn't work: [[]]*n This does create [[],[],...] but each element is the same list: d = [[]]*n d[0].append(1) #[...

Cannot implicitly convert type 'int' to 'short'

I wrote the following small program to print out the Fibonacci sequence: static void Main(string[] args) { Console.Write("Please give a value for n:"); Int16 n = Int16.Parse(Console.ReadLine()); Int16 firstNo = 0; Int16 secondNo = 1...

how to prevent "directory already exists error" in a makefile when using mkdir

I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it. I mainly use mingw/msys but would like something that works across other shells/systems ...

What’s the best RESTful method to return total number of items in an object?

I’m developing a REST API service for a large social networking website I’m involved in. So far, it’s working great. I can issue GET, POST, PUT and DELETE requests to object URLs and affect my data. However, this data is paged (limited to 30 re...

How to change the default GCC compiler in Ubuntu?

I have installed gcc-3.3/g++-3.3 on ubuntu 11.04 which already has gcc/g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3...

"dd/mm/yyyy" date format in excel through vba

I am trying to write a date in "dd/mm/yyyy" format in excel sheet thru excel-vba. I achieved it using Cells(1, 1).Value = Format(StartDate, "dd/mm/yyyy"). and my cell value comes out to be 30/04/2014, which is good..... But there is some weird probl...

How to call a method in another class of the same package?

How to call a method, which is in another class of same package in Java? What I know is, using an object we can call a method from a different class. Is there any other way to call a method of different class?...

Convert interface{} to int

I'm trying to get a value from a JSON and cast it to int but it doesn't work, and I don't know how to do it properly. Here is the error message: ...cannot convert val (type interface {}) to type int: need type assertion And the code: var f i...

Eclipse C++: Symbol 'std' could not be resolved

I am getting this error in the TestExecute.cpp - "Symbol 'std' could not be resolved" CODE #include <iostream> using namespace std; I just created a executable project in Eclipse (in Windows 7) as shown below. It seems like I am selec...

How to apply two CSS classes to a single element

Can i apply 2 classes to a single div or span or any html element? For example: <a class="c1" class="c2">aa</a> I tried and in my case c2 does not get applied. How can i apply both classes at once?...

How can I convert an HTML element to a canvas element?

It would be incredibly useful to be able to temporarily convert a regular element into a canvas. For example, say I have a styled div that I want to flip. I want to dynamically create a canvas, "render" the HTMLElement into the canvas, hide the origi...

Python Request Post with param data

This is the raw request for an API call: POST http://192.168.3.45:8080/api/v2/event/log?sessionKey=b299d17b896417a7b18f46544d40adb734240cc2&format=json HTTP/1.1 Accept-Encoding: gzip,deflate Content-Type: application/json Content-Length: 86 Host...

www-data permissions?

So I have a directory in /var/www (called cake) and I need to allow www-data to write to it, but I also want to write to it (without having to use sudo). I'm afraid to change the permissions to 777 in case some other user on my machine (or a hacker) ...

Property 'map' does not exist on type 'Observable<Response>'

I am trying to call an API from Angular but am getting this error: Property 'map' does not exist on type 'Observable<Response>' The answers from this similar question didn't solve my issue: Angular 2 beta.17: Property 'map' does not e...

How to Display blob (.pdf) in an AngularJS app

I have been trying to display pdf file which I am getting as a blob from a $http.post response. The pdf must be displayed within the app using <embed src> for example. I came across a couple of stack posts but somehow my example doesn't seem t...

Convenient C++ struct initialisation

I'm trying to find a convenient way to initialise 'pod' C++ structs. Now, consider the following struct: struct FooBar { int foo; float bar; }; // just to make all examples work in C and C++: typedef struct FooBar FooBar; If I want to convenie...

Number of lines in a file in Java

I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file I was wondering if there is a smarter way to do that...

Removing duplicate characters from a string

How can I remove duplicate characters from a string using Python? For example, let's say I have a string: foo = 'mppmt' How can I make the string: foo = 'mpt' NOTE: Order is not important...

How can I ask the Selenium-WebDriver to wait for few seconds in Java?

I'm working on a Java Selenium-WebDriver. I added driver.manage().timeouts().implicitlyWait(2, TimeUnit.SECONDS); and WebElement textbox = driver.findElement(By.id("textbox")); because my Applications takes few seconds to load the User Inter...

How do I disable "missing docstring" warnings at a file-level in Pylint?

Pylint throws errors that some of the files are missing docstrings. I try and add docstrings to each class, method and function, but it seems that Pylint also checks that files should have a docstring at the beginning of them. Can I disable this some...

Check whether user has a Chrome extension installed

I am in the process of building a Chrome extension, and for the whole thing to work the way I would like it to, I need an external JavaScript script to be able to detect if a user has my extension installed. For example: A user installs my plugin, ...

Instagram how to get my user id from username?

I'm in the process of embedding my image feed in my website using JSON, the URL needs my user id so I can retrieve this feed. So, where can I find/get my user id?...

Select Specific Columns from Spark DataFrame

I have loaded CSV data into a Spark DataFrame. I need to slice this dataframe into two different dataframes, where each one contains a set of columns from the original dataframe. How do I select a subset into a Spark dataframe, based on columns ?...

How to use if-else option in JSTL

Is there an if-else tag available in JSTL?...

C# go to next item in list based on if statement in foreach

I am using C#. I have a list of items. I loop through each item using a foreach. Inside my foreach I have a lot of if statements checking some stuff. If any of these if statements returns a false then I want it to skip that item and go to the nex...

Entity Framework Code First - two Foreign Keys from same table

I've just started using EF code first, so I'm a total beginner in this topic. I wanted to create relations between Teams and Matches: 1 match = 2 teams (home, guest) and result. I thought it's easy to create such a model, so I started coding: pu...

percentage of two int?

I want to get two ints, one divided by the other to get a decimal or percentage. How can I get a percentage or decimal of these two ints? (I'm not sure if it is right.. I'm probably way off...) for example: int correct = 25; int questionNum = 100; f...

How to get complete address from latitude and longitude?

I want to get following values from Latitude and Longitude in android Street Address City / State Zip Complete Address How to achieve this?...

How to round a number to significant figures in Python

I need to round a float to be displayed in a UI. E.g, to one significant figure: 1234 -> 1000 0.12 -> 0.1 0.012 -> 0.01 0.062 -> 0.06 6253 -> 6000 1999 -> 2000 Is there a nice way to do this using the Python library, or do I have to write it ...

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I'm using a flex box to display 8 items that will dynamically resize with my page. How do I force it to split the items into two rows? (4 per row)? Here is a relevant snip: (Or if you prefer jsfiddle - http://jsfiddle.net/vivmaha/oq6prk1p/2/) _x00...

How to use sys.exit() in Python

player_input = '' # This has to be initialized for the loop while player_input != 0: player_input = str(input('Roll or quit (r or q)')) if player_input == q: # This will break the loop if the player decides to quit print("Now let'...

create a white rgba / CSS3

I'm customizing a plugin that uses css3's rgba throughout, I'm trying to figure out how to toggle it for it to render white with the opacity. At default it's near the shade of #333, and my attempts area leading it to blue or brown. Whats the white cu...

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I have a string read from a textbox. It contains a comma for decimal separation. I have NumberFormatInfo.CurrencyDecimalSeparator set to , (comma) but when I convert the string to decimal Convert.ToDecimal(mystring); I obtain a dot separate value fo...

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I downloaded the mysql dmg file and went through the wizard to run. Done. I have also started mysql server under system preferences. The purpose of me doing this is to work through the exercises of my SQL text book. The terminal commands are new to ...

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I'm a beginner in web development, and I'm trying to insert line breaks in my XML file. This is what my XML looks like: <musicpage> <song> <title>Song Title</title> <lyric>Lyrics</lyric> </son...

How to use "not" in xpath?

I want to write something of the sort: //a[not contains(@id, 'xx')] (meaning all the links that there 'id' attribute doesn't contain the string 'xx') I can't find the right syntax....

How to check if a file is empty in Bash?

I have a file called diff.txt. I Want to check whether it is empty. I wrote a bash script something like below, but I couldn't get it work. if [ -s diff.txt ] then touch empty.txt rm full.txt else touch full.txt rm emt...

Disable sorting for a particular column in jQuery DataTables

I am using the jQuery DataTables plugin to sort the table fields. My question is: how do I disable sorting for a particular column? I have tried with the following code, but it did not work: "aoColumns": [ { "bSearchable": false }, null ] I...

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I want to print the content of a div using jQuery. This question is already asked in SO, but I can't find the correct (working) answer. This is is my HTML: <div id='printarea'> <p>This is a sample text for printing purpose.</p>...

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I am trying to understand the ifPresent() method of the Optional API in Java 8. I have simple logic: Optional<User> user=... user.ifPresent(doSomethingWithUser(user.get())); But this results in a compilation error: ifPresent(java.util.fun...

How to change colour of blue highlight on select box dropdown

How do I change the blue highlight on this dropdown please? link to select box demo I'd like to change the highlight color to gray if this is possible. _x000D_ _x000D_ select {_x000D_ border: 0;_x000D_ color: #EEE;_x000D_ background: transpa...

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I want to add a Fragment to an Activity that implements its layout programmatically. I looked over the Fragment documentation but there aren't many examples describing what I need. Here is the type of code I tried to write: public class DebugExample...

How do I change the background of a Frame in Tkinter?

I have been creating an Email program using Tkinter, in Python 3.3. On various sites I have been seeing that the Frame widget can get a different background using Frame.config(background="color"). However, when I use this in my Frames it gives the fo...

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What I am trying to implement is basically a "on ng repeat finished rendering" handler. I am able to detect when it is done but I can't figure out how to trigger a function from it. Check the fiddle:http://jsfiddle.net/paulocoelho/BsMqq/3/ JS var ...

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I want to be able to center the nav dead middle of a page and have it stayed centered in different resolutions. I don't want to use offsets to push it over or margin-left as this would just screw it up in different browser widths. This is the typical...

How to delete images from a private docker registry?

I run a private docker registry, and I want to delete all images but the latest from a repository. I don't want to delete the entire repository, just some of the images inside it. The API docs don't mention a way to do this, but surely it's possible?...

How do you add a JToken to an JObject?

I'm trying to add a JSON object from some text to an existing JSON file using JSON.Net. For example if I have the JSON data as below: { "food": { "fruit": { "apple": { "colour": "red", "size": "small" }, "or...

Javascript to stop HTML5 video playback on modal window close

I've got a html5 video element on a modal window. When I close the window the video continues to play. I'm a total newbie to JS. Is there an easy way to tie a video playback stop function to the window close button? Below is my html page: <!D...

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I have a question about the primitive type short in Java. I am using JDK 1.6. If I have the following: short a = 2; short b = 3; short c = a + b; the compiler does not want to compile - it says that it "cannot convert from int to short" and sug...

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I'm trying to install Java to use Eclipse (I followed all instructions to install Java and Eclipse) but my Eclipse is not starting due to some bad configuration I guess. I can't figure out why it's not working for me. Eclipse Installation: Extract...

Call to undefined method mysqli_stmt::get_result

Here's my code: include 'conn.php'; $conn = new Connection(); $query = 'SELECT EmailVerified, Blocked FROM users WHERE Email = ? AND SLA = ? AND `Password` = ?'; $stmt = $conn->mysqli->prepare($query); $stmt->bind_param('sss', $_POST['Emai...

Xcode build failure "Undefined symbols for architecture x86_64"

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How would you implement paging in a LINQ query? Actually for the time being, I would be satisfied if the sql TOP function could be imitated. However, I am sure that the need for full paging support comes up sooner later anyway. var queryResult = fr...

Where does Android emulator store SQLite database?

I'm working on an Android application that stores data in a SQLite database. My question is, where does this database file get stored on the filesystem when you're using an emulator? I have seen that it's stored in /data/data/package_name/databas...

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Hello I have a table with columns: *using oracle ID NUMBER USER_ID NUMBER DATE_ADDED DATE DATE_VIEWED DATE DOCUMENT_ID VARCHAR2 URL VARCHAR2 DOCUMENT_TITLE VARCHAR2 DOCUMENT_DAT...

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I have a piece of JavaScript code which creates (using D3.js) an svg element which contains a chart. I want to update the chart based on new data coming from a web service using AJAX, the problem is that each time I click on the update button, it gen...

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I am getting this error when trying to upload an import on WordPress on my XAMPP local dev environment: Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on line 0 I changed the upload_max_filesize from 2M ...

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Wondering if there are other codes available to use in an HTML newsletter. I would use cell padding or margins but I'm new to this HTML/CSS thing and I can't find a change that does effect both the Main Title line and the sub-head under it. Being a...

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What is a SQL JOIN and what are different types?...

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I have created a checkbox dynamically. I have used addEventListener to call a function on click of the checkbox, which works in Google Chrome and Firefox but doesn't work in Internet Explorer 8. This is my code: var _checkbox = document.createEleme...

Regex allow a string to only contain numbers 0 - 9 and limit length to 45

I am trying to create a regex to have a string only contain 0-9 as the characters and it must be at least 1 char in length and no more than 45. so example would be 00303039 would be a match, and 039330a29 would not. So far this is what I have but I ...

How do I get the directory of the PowerShell script I execute?

I run a PowerShell script. How do I get the directory path of this script I run? How to do this?...

Xml Parsing in C#

http://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/2.5_day.atom on this site, I wrote the following code to retrieve the data. protected void Button1_Click(object sender, EventArgs e) { string adresal = "http://" + txtAd.Text; ...

How can I make my layout scroll both horizontally and vertically?

I am using a TableLayout. I need to have both horizontal and vertical scrolling for this layout. By default I am able to get vertical scrolling in the view but horizontal scrolling is not working. I am using Android SDK 1.5 r3. I have already tried...

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Can anyone tell me how can I call for indexes in a nested list? Generally I just write: for i in range (list) but what if I have a list with nested lists as below: Nlist = [[2,2,2],[3,3,3],[4,4,4]...] and I want to go through the indexes of e...

Where do I mark a lambda expression async?

I've got this code: private async void ContextMenuForGroupRightTapped(object sender, RightTappedRoutedEventArgs args) { CheckBox ckbx = null; if (sender is CheckBox) { ckbx = sender as CheckBox; } if (null == ckbx) { ...

How to change Maven local repository in eclipse

I'm importing a multiple-module Maven project from the root directory on a shared drive on another server A. On server A, mvn install will run successfully, and Maven is set up properly with repository/ and settings.xml in /home/user/.m2. However, a...

Print in Landscape format

Possible Duplicate: Landscape printing from HTML I am using below code to show print window on button click: function print_onclick() { window.print(); return false; } I want the page to be printed in Landscape format. Is there ...

How do I add a newline to command output in PowerShell?

I run the following code using PowerShell to get a list of add/remove programs from the registry: Get-ChildItem -path hklm:\software\microsoft\windows\currentversion\uninstall ` | ForEach-Object -Process { Write-Output $_.GetValue("DisplayName")...

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This my simplified script: Sub SomeOtherSub(Stattyp As String) 'Daty and the other variables are defined here CatSubProduktAreakum(Stattyp, Daty + UBound(SubCategories) + 2) End Sub Sub CatSubProduktAreakum(Stattyp As ...

What does "wrong number of arguments (1 for 0)" mean in Ruby?

What does "Argument Error: wrong number of arguments (1 for 0)" mean?...

Opening a .ipynb.txt File

I have got downloaded a file that got downloaded in a format .pynb.txt extension. Can anyone help me to figure how to make it in a readable format? Attaching a screenshot of the file when i tried opening in python notebook. Output of the python note...

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 though I get this error in the Storyboard: The ...

How to scroll to top of the page in AngularJS?

I want to scroll to the top of the page after getting an ajax call response using angularjs. Basically, I am displaying alert messages on top of the page and I want to focus the alert message as the ajax response received. Thanks...

Java: How to insert CLOB into oracle database

I need to write an XML file content into oracle database where the column is of CLOB datatype. How will I do that?...

How to run PowerShell in CMD

I'm trying to run a PowerShell script inside cmd command line. Someone gave me an example and it worked: powershell.exe -noexit "& 'c:\Data\ScheduledScripts\ShutdownVM.ps1'" But the problem is my PowerShell script has input parameters, so I tr...

Comparing Class Types in Java

I want to compare the class type in Java. I thought I could do this: class MyObject_1 {} class MyObject_2 extends MyObject_1 {} public boolean function(MyObject_1 obj) { if(obj.getClass() == MyObject_2.class) System.out.println("true"); } I w...

How to center-justify the last line of text in CSS?

How can I center-justify text? Currently, justify does not center the last line....

Pretty print in MongoDB shell as default

Is there a way to tell Mongo to pretty print output? Currently, everything is output to a single line and it's difficult to read, especially with nested arrays and documents....

Initialize Array of Objects using NSArray

I'm pretty new to Objective-C and iOS so I've been playing around with the Picker View. I've defined a Person Class so that when you create a new Person it automatically gives that person a name and age. #import "Person.h" @implementation Person @...

How do I enable MSDTC on SQL Server?

Is this even a valid question? I have a .NET Windows app that is using MSTDC and it is throwing an exception: System.Transactions.TransactionManagerCommunicationException: Network access for Distributed Transaction Manager (MSDTC) has been disabl...

How to download a file with Node.js (without using third-party libraries)?

How do I download a file with Node.js without using third-party libraries? I don't need anything special. I only want to download a file from a given URL, and then save it to a given directory....

Populate unique values into a VBA array from Excel

Can anyone give me VBA code that will take a range (row or column) from an Excel sheet and populate a list/array with the unique values, i.e.: table table chair table stool stool stool chair when the macro runs would create an array some thing l...

node.js http 'get' request with query string parameters

I have a Node.js application that is an http client (at the moment). So I'm doing: var query = require('querystring').stringify(propertiesObject); http.get(url + query, function(res) { console.log("Got response: " + res.statusCode); }).on('error...

How to print a string at a fixed width?

I have this code (printing the occurrence of the all permutations in a string) def splitter(str): for i in range(1, len(str)): start = str[0:i] end = str[i:] yield (start, end) for split in splitter(end): ...

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Is it possible to run a cronjob every three days? Or maybe 10 times/month....

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I've written a very simple JDBC login test program. And after all kinds of problems I've almost got it working. Almost, just can't seem to get past this "SQLServerException: Login failed for user xxxxx" problem. I created a simple database ...

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I have this code which on clicking the button "Get more fields" will create a copy of the entire div and create fields. But on clicking the button nothing is happening. All the other buttons are working fine. Don't know what I'm doing wrong. Thanks f...

django - get() returned more than one topic

When I tried to relate an attribute with another one which has an M to M relation I received this error: get() returned more than one topic -- it returned 2! Can you guys tell me what that means and maybe tell me in advance how to avoid this er...

Passing dynamic javascript values using Url.action()

Could anyone please tell how to pass dynamic values using Url.action(). Something Like, var firstname="abc"; var username = "abcd"; location.href = '@Html.Raw(@Url.Action("Display", "Customer", new { uname = firstname ,name = username}))'; firstn...

How do I sort a list of dictionaries by a value of the dictionary?

I have a list of dictionaries and want each item to be sorted by a specific value. Take into consideration the list: [{'name':'Homer', 'age':39}, {'name':'Bart', 'age':10}] When sorted by name, it should become: [{'name':'Bart', 'age':10}, {'name':'...

how to generate a unique token which expires after 24 hours?

I have a WCF Webservice which checks if the user is valid. If the user is valid I want to generate a token which expires after 24 hours. public bool authenticateUserManual(string userName, string password,string language,string token) { if (Me...

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I'm having some trouble trying to understand how to create a dynamic choice field in django. I have a model set up something like: class rider(models.Model): user = models.ForeignKey(User) waypoint = models.ManyToManyField(Waypoint) class...

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How do I return response from the controller back to the Jquery Javascript? Javascript $('.signinform').submit(function() { $(this).ajaxSubmit({ type : "POST", url: 'index.php/user/signin', // target element(s) to be updated with...

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I have an ArrayList for type Room (my custom object) Defined as below ArrayList<Room> rooms = new ArrayList<Room>(); After then adding a series of objects to the ArrayList I want to go through them all and check various things. I am no...

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I am trying to write a shell script that creates some directories on a remote server and then uses scp to copy files from my local machine onto the remote. Here's what I have so far: ssh -t user@server<<EOT DEP_ROOT='/home/matthewr/releases' d...

android - setting LayoutParams programmatically

I putting an in-game chat module into an app. I am adding text messages as they are received into a LinearLayout view. I want to set the layout params to the TextView but the following code is crashing and the error messages befuddle me. private voi...

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I tried the following code (test_seaborn.py): import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt matplotlib.style.use('ggplot') import seaborn as sns sns.set() df = sns.load_dataset('iris') sns_plot = sns.pairplot(df, hue='speci...

How to get the new value of an HTML input after a keypress has modified it?

I have an HTML input box <input type="text" id="foo" value="bar"> I've attached a handler for the 'keyup' event, but if I retrieve the current value of the input box during the event handler, I get the value as it was, and not as it will be!...

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I can extract the month and day by using Day(Date()), Month(Date()). I can't extract hours, with HOUR(Date()). I get the following error. 'HOUR' is not a recognized built-in function name. How can I extract hours?...

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I tried to find a good solution on the bootstrap site but I didn't get an answer to this yet. I think I can't be the only one struggling with this, but I couldn't find anything that helped me. I'm trying to embed an mp4-video on my website. The prob...

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I would like to be able to hide the axes and gridlines on a 3D matplotlib graph. I want to do this because when zooming in and out the image gets pretty nasty. I'm not sure what code to include here but this is what I use to create the graph. fig =...

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I know that everyone uses an IDE nowadays, but I just find it simpler to write my code in notepad++, compile it using a command prompt command, and run it from there too. At least that works for Java and Python. I've tried to get my head around how t...

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In vi/vim editor, I need to copy a block. There are many ways, but one way is very quick. label the first line by some way, then label the end line by some way, then put some command to copy the labeled lines. then copy, may using 'p', but not sure...

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Is there a way to specify the running directory of command in Python's subprocess.Popen()? For example: Popen('c:\mytool\tool.exe', workingdir='d:\test\local') My Python script is located in C:\programs\python Is is possible to run C:\mytool\too...

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I have Java main class, in the class, I start a new thread, in the main, it waits until the thread dies. At some moment, I throw a runtime exception from the thread, but I can't catch the exception thrown from the thread in the main class. Here is ...

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I have a file, called a.r, it has a chmod of 755, sayHello <- function(){ print('hello') } sayHello() How can I run this via command-line?...

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I am looking for a way to select columns of my dataframe in PySpark. For the first row, I know I can use df.first(), but not sure about columns given that they do not have column names. I have 5 columns and want to loop through each one of them. +--+...

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I have a setup involving Frontend server (Node.js, domain: localhost:3000) <---> Backend (Django, Ajax, domain: localhost:8000) Browser <-- webapp <-- Node.js (Serve the app) Browser (webapp) --> Ajax --> Django(Serve ajax POST requests) ...

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EDIT: The solution was to add this to the profile page instead of the gender page. $('#profile').live( 'pageinit',function(event){ $('p#pTest').text(localStorage.getItem('gender')); }); I have a paragraph with som text in a listview that I want t...

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Could somebody tell me the way to perform UITableView expandable/collapsible animations in sections of UITableView as below? or ...

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Is there a way to get the name of the user, given only their username? Something like this output git show <username> (I know this doesn't work) username: username name: First Last email: email@address I know I can do this with a GitHub api...

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I notice that in a lot of template engines, in the HTML5 Boilerplate, in various frameworks and in plain php sites there is the no-js class added onto the <HTML> tag. Why is this done? Is there some sort of default browser behavior that react...

How to insert a timestamp in Oracle?

I have an Oracle DB with a timestamp field in it. What is the correct SQL code to insert a timestamp into this field?...

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Does C# have extension properties? For example, can I add an extension property to DateTimeFormatInfo called ShortDateLongTimeFormat which would return ShortDatePattern + " " + LongTimePattern?...

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I am working on a form layout for a Login Activity in my Android App. The image below is how I want it to look like: I was able to achieve this layout with the following XML. The problem is, it's a bit hackish. I had to hard-code a width for the h...

Parsing huge logfiles in Node.js - read in line-by-line

I need to do some parsing of large (5-10 Gb)logfiles in Javascript/Node.js (I'm using Cube). The logline looks something like: 10:00:43.343423 I'm a friendly log message. There are 5 cats, and 7 dogs. We are in state "SUCCESS". We need to read ea...

SQL Server: combining multiple rows into one row

I have a SQL query like this; SELECT * FROM Jira.customfieldvalue WHERE CUSTOMFIELD = 12534 AND ISSUE = 19602 And that's the results; What I want is; showing in one row (cell) combined all STRINGVALUE's and they are separated with a comma. Lik...

Anaconda / Python: Change Anaconda Prompt User Path

I want to change my Anaconda Prompt User file path. Currently it is as follows: I want it to change to: C:\Users\u354590 How do I do this? The current version of anaconda I have is: Python 3.6.3 |Anaconda, Inc.| (default, Oct 15 2017, 03:27:4...

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From windows I can communicate with a serial port device using following commands: mode com1: baud=9600 data=8 parity=n stop=1 copy con com1 alt+18alt+2ctrl+z Device starts the requested operation. When I try to accomplish the same operation from...

AngularJS - Find Element with attribute

I'm new to AngularJS. I've learned that I can find elements in the DOM using queries like the following: var e = angular.element(document.querySelector('#id')); var e = angular.element(elem.querySelector('.classname')); This is useful for finding ...

OR, AND Operator

Newbie question. How to calculate the value of the formula A f B, where f - the binary function OR or AND?...

How to explicitly obtain post data in Spring MVC?

Is there a way to obtain the post data itself? I know spring handles binding post data to java objects. But, given two fields that I want to process, how can I obtain that data? For example, suppose my form had two fields: <input type="text" na...

What does Python's eval() do?

In the book that I am reading on Python, it keeps using the code eval(input('blah')) I read the documentation, and I understand it, but I still do not see how it changes the input() function. What does it do? Can someone explain?...

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I have a problem with a Java application running under Linux. When I launch the application, using the default maximum heap size (64 MB), I see using the tops application that 240 MB of virtual Memory are allocated to the application. This creates ...

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I have a UILabel with space for two lines of text. Sometimes, when the text is too short, this text is displayed in the vertical center of the label. How do I vertically align the text to always be at the top of the UILabel? ...

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Which is more pythonic? While loop: count = 0 while count < 50: print "Some thing" count = count + 1 For loop: for i in range(50): print "Some thing" Edit: not duplicate because this has answers to determine which is clearer, vs...

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I have a log file (application.log) which might contain the following string of normal & special characters on multiple lines: *^%Q&$*&^@$&*!^@$*&^&^*&^& I want to search for the line number(s) which contains this s...

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As the title says, how can I recursively copy a directory structure but only include some files. E.g given the following directory structure: folder1 folder2 folder3 data.zip info.txt abc.xyz folder4 folder5 dat...

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I have spent a few hours working out how to do this which is why im posting it here now... If you want to return different values in a cell based on which range the value entered in another cell comes under then I have worked out how to do it!! (bear...

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Just how do you set the background color for a JFrame?...

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I am running Ubuntu on computer 1 and computer 2. I compiled a C++ program on computer 1, and I can execute it from the terminal using ./program_name. It runs fine. However, when I try to do this on computer 2, it says: bash: ./program_name: permiss...

How do I measure a time interval in C?

I would like to measure time in C, and I am having a tough time figuring it out, all I want is something like this: start a timer run a method stop the timer report the time taken (at least to micro accuracy) Any help would be appreciated. (I am...

Can you append strings to variables in PHP?

Why does the following code output 0? It works with numbers instead of strings just fine. I have similar code in JavaScript that also works. Does PHP not like += with strings? <?php $selectBox = '<select name="number">'; for ($i=1;...

redirect to current page in ASP.Net

How can I perform a redirect with Server.Transfer() to the same page that is currently shown? I want to have A cleared form after submit. What other/better methods can I use to achieve the same?...

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How can I create a list which contains only zeros? I want to be able to create a zeros list for each int in range(10) For example, if the int in the range was 4 I will get: [0,0,0,0] and for 7: [0,0,0,0,0,0,0] ...

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How do I negate a conditional test in PowerShell? For example, if I want to check for the directory C:\Code, I can run: if (Test-Path C:\Code){ write "it exists!" } Is there a way to negate that condition, e.g. (non-working): if (Not (Test-Pat...

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Where do I download JDBC drivers for DB2 that are compatible with JDK 1.5? They seem to be very elusive and I hit many dead-ends at IBM's website. I managed to find versions of the driver bundled with some tools such as IBM Data Studio. Unfortunately...

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I want to manipulate the information at THIS url. I can successfully open it and read its contents. But what I really want to do is throw out all the stuff I don't want, and to manipulate the stuff I want to keep. Is there a way to convert the str...

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 to know. Thanks....

Quick way to create a list of values in C#?

I'm looking for a quick way to create a list of values in C#. In Java I frequently use the snippet below: List<String> l = Arrays.asList("test1","test2","test3"); Is there any equivalent in C# apart from the obvious one below? IList<stri...

Repository access denied. access via a deployment key is read-only

After successfully cloning my repo from heroku and added another remote 1/ git clone [email protected]:[APP].git 2/ git remote add bitbucket ssh://[email protected]/[ACCOUNT]/[REPO].git 3/ git push bitbucket master I am still getting this error after...

How do you make Git work with IntelliJ?

I am going to use Git version control by IntelliJ Community Edition in order to make branches of the programs I intend to develop. I am striving to accustom myself to its functionality and I come accross obstacles. I follow the instructions of the...

Converting a char to ASCII?

I have tried lots of solutions to convert a char to Ascii. And all of them have got a problem. One solution was: char A; int ValeurASCII = static_cast<int>(A); But VS mentions that static_cast is an invalid type conversion!!! PS: my A is a...

Difference between & and && in Java?

Possible Duplicates: What's the difference between | and || in Java? Difference in & and && I was just wondering what the difference between & and && is? A few days I wrote a condition for an if statement the ...

Google Play on Android 4.0 emulator

How can I install the Google Play .apk onto my Android 4.0 emulator?...

Saving timestamp in mysql table using php

I have a field in a MySQL table which has a timestamp data type. I am saving data into that table. But when I pass the timestamp (1299762201428) to the record, it automatically saves the value 0000-00-00 00:00:00 into that table. How can I store the...

Error:Failed to open zip file. Gradle's dependency cache may be corrupt

I updated android studio 2.3 and there is a bug, gradle doesn't build and it keeps giving me the same error for all projects. Error:Failed to open zip file. Gradle's dependency cache may be corrupt (this sometimes occurs after a network connection ...

Centering Bootstrap input fields

I am new with this, especially with Bootstrap. I have this code: <div class="row"> <div class="col-lg-3"> <div class="input-group"> <input type="text" class="form-control"> <span class="input-g...

Recommended SQL database design for tags or tagging

I've heard of a few ways to implement tagging; using a mapping table between TagID and ItemID (makes sense to me, but does it scale?), adding a fixed number of possible TagID columns to ItemID (seems like a bad idea), Keeping tags in a text column th...

Regex: ignore case sensitivity

How can I make the following regex ignore case sensitivity? It should match all the correct characters but ignore whether they are lower or uppercase. G[a-b].* ...

How to add external fonts to android application

I was looking for some stylish fonts for my android application. but the problem is how can i make my android application supportable for external fonts. Thank you....

Change header text of columns in a GridView

I have a GridView which i programmatically bind using c# code. The problem is, the columns get their header texts directly from Database, which can look odd when presented on websites. So basically, i would like to modify the column header text, but ...

How to detect the end of loading of UITableView

I want to change the offset of the table when the load is finished and that offset depends on the number of cells loaded on the table. Is it anyway on the SDK to know when a uitableview loading has finished? I see nothing neither on delegate nor on...

How do I fix the error 'Named Pipes Provider, error 40 - Could not open a connection to' SQL Server'?

I can't seem to connect to my database from a site. I get this error: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server I tried using the local IP address to connect as well as a public one. I've tried: Yes, the site...

Generate UML Class Diagram from Java Project

Is there a good tool that can help to reverse engineer Java classes to UML that will show an overview of how my classes are related to each other? It doesn't need to decompile from JAR file because I have the sources. I know there are quite a few out...

Can you split a stream into two streams?

I have a data set represented by a Java 8 stream: Stream<T> stream = ...; I can see how to filter it to get a random subset - for example Random r = new Random(); PrimitiveIterator.OfInt coin = r.ints(0, 2).iterator(); Stream<T> he...

Flutter Circle Design

I want to make this kind of design with these white circles as a raised button....

How to subtract date/time in JavaScript?

I have a field at a grid containing date/time and I need to know the difference between that and the current date/time. What could be the best way of doing so? The dates are stored like "2011-02-07 15:13:06"....

HTML img align="middle" doesn't align an image

I want a image to be centered aligned. Image size is fixed in pixels. So what I want is like this- . What I have done is- <!DOCTYPE html> <html> <body> <img src="http://icons.iconarchive.com/icons/rokey/p...

How to push elements in JSON from javascript array

I want to add javascript array values into JSON values object. The other element is also replaced my element like recipients, subject, message. I got Json like: Below is my code. var BODY = { "recipients": { "values": [ ] }, ...

What is the C++ function to raise a number to a power?

How do I raise a number to a power? 2^1 2^2 2^3 etc......

The remote host closed the connection. The error code is 0x800704CD

I receive error emails from my website whenever an exception occurs. I am getting this error: The remote host closed the connection. The error code is 0x800704CD and don't know why. I get about 30 a day. I can't reproduce the error either so ca...

Difference between Groovy Binary and Source release?

i have been seeing the words binary and source release in many websites download sections. What do they actually mean? For example, I have seen this in Groovy download page. My question is how they differ? Both tend to install Groovy, but what...

How does Content Security Policy (CSP) work?

I'm getting a bunch of errors in the developer console: Refused to evaluate a string Refused to execute inline script because it violates the following Content Security Policy directive Refused to load the script Refused to load the stylesheet What...

How to get resources directory path programmatically

I have the following directory layout: src main java resources sql (scripts for database) spring (configuration) webapp Within a ServletContextListener class, I want to access the files under the SQL direc...

Gradle: How to Display Test Results in the Console in Real Time?

I would like to see test results ( system.out/err, log messages from components being tested ) as they run in the same console I run: gradle test And not wait until tests are done to look at the test reports ( that are only generated when tests ar...

_DEBUG vs NDEBUG

Which preprocessor define should be used to specify debug sections of code? Use #ifdef _DEBUG or #ifndef NDEBUG or is there a better way to do it, e.g. #define MY_DEBUG? I think _DEBUG is Visual Studio specific, is NDEBUG standard?...

Move a view up only when the keyboard covers an input field

I am trying to build an input screen for the iPhone. The screen has a number of input fields. Most of them on the top of the screen, but two fields are at the bottom. When the user tries to edit the text on the bottom of the screen, the keyboard wil...

Pandas dataframe fillna() only some columns in place

I am trying to fill none values in a Pandas dataframe with 0's for only some subset of columns. When I do: import pandas as pd df = pd.DataFrame(data={'a':[1,2,3,None],'b':[4,5,None,6],'c':[None,None,7,8]}) print df df.fillna(value=0, inplace=True)...

Disable all table constraints in Oracle

How can I disable all table constrains in Oracle with a single command? This can be either for a single table, a list of tables, or for all tables....

Multiple radio button groups in MVC 4 Razor

I need to have multiple radio button groups in my form like this: I know it's simply done by specifying the same "name" html attribute for each group. HOWEVER MVC doesn't let you specify your own name attribute when using html helper like this: ...

How to hide form code from view code/inspect element browser?

I want to hide form code from view code/inspect element browser , how can i do that ? This is my code, please see below: <div style=" text-align: center; padding: 300px; font-family: lato; "> Please wait redirect page ......<br> ...

How can I convert a datetime object to milliseconds since epoch (unix time) in Python?

I have a Python datetime object that I want to convert to unix time, or seconds/milliseconds since the 1970 epoch. How do I do this?...

Multiple radio button groups in one form

Is it possible to have multiple radio button groups in a single form? Usually selecting one button deselects the previous, I just need to have one of a group deselected. <form> <fieldset id="group1"> <input type="radio" va...

Pandas merge two dataframes with different columns

I'm surely missing something simple here. Trying to merge two dataframes in pandas that have mostly the same column names, but the right dataframe has some columns that the left doesn't have, and vice versa. >df_may id quantity attr_1 attr...

Why does instanceof return false for some literals?

"foo" instanceof String //=> false "foo" instanceof Object //=> false true instanceof Boolean //=> false true instanceof Object //=> false false instanceof Boolean //=> false false instanceof Object //=> false ...

import httplib ImportError: No module named httplib

I got this error when run test.py C:\Python32>python.exe test.py Traceback (most recent call last): File "test.py", line 5, in <module> import httplib ImportError: No module named httplib How to correct it? Code block for test.py: ...

How do I get the base URL with PHP?

I am using XAMPP on Windows Vista. In my development, I have http://127.0.0.1/test_website/. How do I get http://127.0.0.1/test_website/ with PHP? I tried something like these, but none of them worked. echo dirname(__FILE__) or echo basename(...

How to call a button click event from another method

How can I call SubGraphButton_Click(object sender, RoutedEventArgs args) from another method? private void SubGraphButton_Click(object sender, RoutedEventArgs args) { } private void ChildNode_Click(object sender, RoutedEventArgs args) { // call...

Method with a bool return

I was making a method with a bool return value and I had a problem: This works private bool CheckAll() { //Do stuff return true; } But this dosn't, the method can't detect a return value if it's in a IF-statement. private bool CheckAll() { ...

Exporting to .xlsx using Microsoft.Office.Interop.Excel SaveAs Error

I am in the process of writing a module to export a DataTable to Excel using Microsoft.Office.Interop.Excel but before starting in earnest I want to get the very basics working: open file, save as, and close. I have succeeded in opening and saving a...

Using a remote repository with non-standard port

I am setting up my local git project for a remote repository. The remote repository is being served on a non-standard port (4019). But it doesn't work. Instead I get the following error message: ssh: connect to host git.host.de:4019 port 22: Connec...

Android: How do I prevent the soft keyboard from pushing my view up?

I have a vertical sliding drawer at the bottom of my app. When the soft keyboard opens, it pushes the tab for the drawer up, so it sits atop the keyboard. I actually want it to remain at the bottom of the screen, becoming hidden when the keyboard is ...

How to use Switch in SQL Server

I want to use CASE in my stored procedure. I am getting some syntax error in my code: select case @Temp when 1 then (@selectoneCount=@selectoneCount+1) when 2 then (@selectoneCount=@selectoneCount+1) end When running, I'm getting: ...

What does 'killed' mean when a processing of a huge CSV with Python, which suddenly stops?

I have a Python script that imports a large CSV file and then counts the number of occurrences of each word in the file, then exports the counts to another CSV file. But what is happening is that once that counting part is finished and the exporting...

Setting dynamic scope variables in AngularJs - scope.<some_string>

I have a string I have gotten from a routeParam or a directive attribute or whatever, and I want to create a variable on the scope based on this. So: $scope.<the_string> = "something". However, if the string contains one or more dots I want...

Calling a function from a string in C#

I know in php you are able to make a call like: $function_name = 'hello'; $function_name(); function hello() { echo 'hello'; } Is this possible in .Net?...

Running a cron every 30 seconds

Ok so I have a cron that I need to run every 30 seconds. Here is what I have: */30 * * * * /bin/bash -l -c 'cd /srv/last_song/releases/20120308133159 && script/rails runner -e production '\''Song.insert_latest'\''' It runs, but is this ru...

Automated way to convert XML files to SQL database?

We have a bunch of XML files, following a schema which is essentially a serialised database form: <table1> <column1>value</column1> <column2>value</column2> </table1> <table1> <column1>another...

Regex for parsing directory and filename

I'm trying to write a regex that will parse out the directory and filename of a fully qualified path using matching groups. so... /var/log/xyz/10032008.log would recognize group 1 to be "/var/log/xyz" and group 2 to be "10032008.log" Seems simpl...

Create HTML table using Javascript

My question will ultimately be related to this site: http://dbtest.net16.net/ethanol-01.html EDIT: View unencrypted page source code here >>> http://dbtest.net16.net/ethanol-22.html This is an HTML form with results calculated using JavaScript. M...

Set auto height and width in CSS/HTML for different screen sizes

I have 2 issues with this layout : .feature_content (grey background) adapt it's height and width to different screen sizes. Right now, on big screens .feature_content is far from the footer. There is a horizontal scrollbar that I want to remove re...

Is there a cross-browser onload event when clicking the back button?

For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded. Can someone point me at some sample cross-browser code (Firefo...

Android Spinner : Avoid onItemSelected calls during initialization

I created an Android application with a Spinner and a TextView. I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value ...

PHP & localStorage;

I've searched around for use of localStorage in PHP, as I need to get localStorage data as a $var, in PHP and do stuff in PHP with it. Is this possible? P.S. If anybody knows any good HTML5 resources, other than what can be easily found on Google, p...

how to setup ssh keys for jenkins to publish via ssh

Jenkins requires a certificate to use the ssh publication and ssh commands. It can be configured under "manage jenkins" -> "Configure System"-> "publish over ssh". The question is: How does one create the certificates? I have two ubuntu serve...

If greater than batch files

I wrote a simple batch file to run Frequently Used websites based on a number selection. Here's the code I have. I am trying to set it so if someone inputs a number 6 or greater it will go to :N but whenever I type 6 the batch file exits. I have trie...

Check string for nil & empty

Is there a way to check strings for nil and "" in Swift? In Rails, I can use blank() to check. I currently have this, but it seems overkill: if stringA? != nil { if !stringA!.isEmpty { ...blah blah } } ...

JQuery: How to get selected radio button value?

How do I default the value of a non-selected radio button to 0? I have the following HTML: <input type="radio" name="myradiobutton" value="1" />1 <input type="radio" name="myradiobutton" value="2" />2 <input type="radio" name="myradi...

How to import keras from tf.keras in Tensorflow?

import tensorflow as tf import tensorflow from tensorflow import keras from keras.layers import Dense I am getting the below error from keras.layers import Input, Dense Traceback (most recent call last): File "<ipython-input-6-b5da44e251a5...

How to import component into another root component in Angular 2

I am trying to import component from one file another root component file. it give error as .. zone.js:484 Unhandled Promise rejection: Template parse errors: 'courses' is not a known element: 1. If 'courses' is an Angular component, then ver...

What is the difference between a symbolic link and a hard link?

Recently I was asked this during a job interview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one....

Apache SSL Configuration Error (SSL Connection Error)

I'm trying to configure Apache on my server to work with ssl, but everytime I visit my site, I get the following message in my browser: SSL connection error. Unable to make a secure connection to the server. This may be a problem with the server, or...

Java Security: Illegal key size or default parameters?

I had asked a question about this earlier, but it didn't get answered right and led nowhere. So I've clarified few details on the problem and I would really like to hear your ideas on how could I fix this or what should I try. I have Java 1.6.0.12...

How do I add to the Windows PATH variable using setx? Having weird problems

I want to modify the Windows PATH variable using setx. The following works at least 50% of the time on Windows 8: setx PATH %PATH%;C:\Python27\;C:\Python27\Scripts\ If it gives the error "the default argument can only be used 2 times", then the fo...

Convert Rows to columns using 'Pivot' in SQL Server

I have read the stuff on MS pivot tables and I am still having problems getting this correct. I have a temp table that is being created, we will say that column 1 is a Store number, and column 2 is a week number and lastly column 3 is a total of som...

How to set Navigation Drawer to be opened from right to left

First of all I know this question appeared here before but after trying a lot I still didn't succeed. I working on the example from Android Developers site. I'm trying to set the menu to be opened from right to left instead of how its implementing ...

Frequency table for a single variable

One last newbie pandas question for the day: How do I generate a table for a single Series? For example: my_series = pandas.Series([1,2,2,3,3,3]) pandas.magical_frequency_function( my_series ) >> { 1 : 1, 2 : 2, 3 : 3 } ...

Cross-browser bookmark/add to favorites JavaScript

Is there any cross-browser bookmark/add to favorites using JavaScript. Searched for some list but none is working. Can you please suggest any?...

Android: Go back to previous activity

I want to do something simple on android app. How is it possible to go back to a previous activity. What code do I need to go back to previous activity...

Add primary key to existing table

I have an existing table called Persion. In this table I have 5 columns: persionId Pname PMid Pdescription Pamt When I created this table, I set PersionId and Pname as the primary key. I now want to include one more column in the primary key - ...

clk'event vs rising_edge()

I had always used this for detecting a rising edge: if (clk'event and clk='1') then but this can also be used: if rising_edge(clk) then Reading this post, rising_edge(clk) is recommended, but there is also a comment indicating that rising_edge(cl...

How to find good looking font color if background color is known?

There seem to be so many color wheel, color picker, and color matcher web apps out there, where you give one color and the they'll find a couple of other colors that will create a harmonic layout when being used in combination. However most of them f...

How do I get this javascript to run every second?

How do I get this javascript to run every second? source code: <script type="text/javascript"> $(function() { //More Button $('.more').live("click",function() { var ID = $(this).attr("id"); ...

Passing parameters to click() & bind() event in jquery?

I want to pass few parameters to Click() event in jquery, I tried following but its not working, commentbtn.click(function(id, name){ alert(id); }); And also if we use bind then how we'll do that commentbtn.bind('click', function(id, name){ ...

How to fill a datatable with List<T>

How can convert a list to a datatable [Serializable] public class Item { public string Name { get; set; } public double Price { get; set; } public string @URL { get; set; } public Item(string Name, string Price, string @URL) { ...

How to Correctly handle Weak Self in Swift Blocks with Arguments

In my TextViewTableViewCell, I have a variable to keep track of a block and a configure method where the block is passed in and assigned. Here is my TextViewTableViewCell class: // // TextViewTableViewCell.swift // import UIKit class TextViewTab...

Downgrade npm to an older version

I tried updating npm to see if it would solve some dependency problems we were having, and now I want to downgrade to the version the rest of the development team is using. How can I install an older version? I updated npm according to the instructio...

How to embed a YouTube channel into a webpage

Can anyone suggest how I embed a youtube channel into a webpage - I am getting conflicting information from various sites, ideally using the custom player if possible? thanks...

App crashing when trying to use RecyclerView on android 5.0

I'm trying to mess with the new RecyclerView and whenever I try to run it, my app immediately crashes. It gives me NullPointerException for trying to access methods from android.support.v7.widget.RecyclerView. I've looked at other posts and saw that ...

java: use StringBuilder to insert at the beginning

I could only do this with String, for example: String str=""; for(int i=0;i<100;i++){ str=i+str; } Is there a way to achieve this with StringBuilder? Thanks....

Creating all possible k combinations of n items in C++

There are n people numbered from 1 to n. I have to write a code which produces and print all different combinations of k people from these n. Please explain the algorithm used for that. ...

How to compare strings in Bash

How do I compare a variable to a string (and do something if they match)?...

Multiple REPLACE function in Oracle

I am using the REPLACE function in oracle to replace values in my string like; SELECT REPLACE('THE NEW VALUE IS #VAL1#','#VAL1#','55') from dual So this is OK to replace one value, but what about 20+, should I use 20+ REPLACE function or is there...

Jquery checking success of ajax post

how do i define the success and failure function of an ajax $.post?...

Hiding an Excel worksheet with VBA

I have an Excel spreadsheet with three sheets. One of the sheets contains formulas for one of the other sheets. Is there a programmatic way to hide the sheet which contains these formulas?...

int *array = new int[n]; what is this function actually doing?

I am confused about how to create a dynamic defined array: int *array = new int[n]; I have no idea what this is doing. I can tell it's creating a pointer named array that's pointing to a new object/array int? Would someone care to explain?...

jinja2.exceptions.TemplateNotFound error

i use flask and i got this error when i call this url: /login Here's my login method: @app.route('/login') def login(): if authenticateForPanel(): return redirect(url_for("panel")) else: getParam = request.args.getlist('redi...

Disabling swap files creation in vim

Is there a way to disable .swp files creation in vim? or at least create them all in one place so I can find and delete them easily. I find them especially annoying when I copy the parent directory while editing at the same time. Of course I know th...

Excel formula to get week number in month (having Monday)

Using excel formula I need to get week number in month from a given date. But, the condition is it should have Monday in it. Monday through Sunday is the work days. I have tried this: But, week number is given as 5, where as it should be 4 becaus...

Linux - Install redis-cli only

I have a Linux server with Redis installed and I want to connect to it via command line from my local Linux machine. Is it possible to install redis-cli only (without redis-server and other tools)? If I just copy redis-cli file to my local machine ...

How do I get the current mouse screen coordinates in WPF?

How to get current mouse coordination on the screen? I know only Mouse.GetPosition() which get mousePosition of element, but I want to get the coordination without using element....

incompatible character encodings: ASCII-8BIT and UTF-8

I use Ruby 1.9.2 and Rails 3.0.5 I have the following error: incompatible character encodings: ASCII-8BIT and UTF-8 It has nothing to do with the database i think. The error is happinging on this line in a view (just a div haml call): #conte...

what is the difference between GROUP BY and ORDER BY in sql

When do you use which in general? Examples are highly encouraged! I am referring so MySql, but can't imagine the concept being different on another DBMS...

How to use awk sort by column 3

I have a file (user.csv)like this ip,hostname,user,group,encryption,aduser,adattr want to print all column sort by user, I tried awk -F ":" '{print|"$3 sort -n"}' user.csv , it doesn't work....

Xcode doesn't see my iOS device but iTunes does

I have a strange problem. I have an iPad with iOS 5.0.1 (9A405) and iOS SDK 5.0.1 with Xcode 4.2 (Build 4C199) installed on my Mac. Xcode doesn't see my device. It says "iOS Device" not "Sauron's iPad" as usual. (I am sure that device is connected ...

Pandas/Python: Set value of one column based on value in another column

I need to set the value of one column based on the value of another in a Pandas dataframe. This is the logic: if df['c1'] == 'Value': df['c2'] = 10 else: df['c2'] = df['c3'] I am unable to get this to do what I want, which is to simply cre...

Difference in days between two dates in Java?

I need to find the number of days between two dates: one is from a report and one is the current date. My snippet: int age=calculateDifference(agingDate, today); Here calculateDifference is a private method, agingDate and today are Date objects,...

Getting String Value from Json Object Android

I am beginner in Android. In my Project, I am getting the Following json from the HTTP Response. [{"Date":"2012-1-4T00:00:00", "keywords":null, "NeededString":"this is the sample string I am needed for my project", "others":"not needed"}] I want t...

Android Studio - Failed to notify project evaluation listener error

Following is the build.gradle code in Android Studio apply plugin: 'com.android.application' android { compileSdkVersion 23 buildToolsVersion "23.0.2" defaultConfig { applicationId "com.sg.blahblah" minSdkVersion 15 ...

Convert Iterator to ArrayList

Given Iterator<Element>, how can we convert that Iterator to ArrayList<Element> (or List<Element>) in the best and fastest way possible, so that we can use ArrayList's operations on it such as get(index), add(element), etc....

Running a cron job at 2:30 AM everyday

How to configure a cron job to run every night at 2:30? I know how to make it run at 2, but not 2:30....

Is it possible to see more than 65536 rows in Excel 2007?

I have an excel file which has more than 65536 rows. However, I can see only first 65536 of them. Is it possible to see all of them in Excel 2007?...

How to use LogonUser properly to impersonate domain user from workgroup client

ASP.NET: Impersonate against a domain on VMWare This question is what I am asking, but the answer does not provide details on how the _token is derived. It seems to only use WindowsIdentity.GetCurrent().Token so there's no impersonation happening. ...

Trying to include a library, but keep getting 'undefined reference to' messages

I am attempting to use the libtommath library. I'm using the NetBeans IDE for my project on Ubuntu linux. I have downloaded and built the library, I have done a 'make install' to put the resulting .a file into /usr/lib/ and the .h files into /usr/inc...

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I'm looking for a way to temporarily turn off all DB's constraints (eg table relationships). I need to copy (using INSERTs) one DB's tables to another DB. I know I can achieve that by executing commands in proper order (to not break relationships). ...

You have to be inside an angular-cli project in order to use the build command after reinstall of angular-cli

I had the latest angular-cli installed globally and my project was building successfully. While reading a suggested solution for another issue, (https://github.com/angular/angular-cli/issues/917) I uninstalled the global angular-cli and installed...

Cannot install packages inside docker Ubuntu image

I installed Ubuntu 14.04 image on docker. After that, when I try to install packages inside the ubuntu image, I'm getting unable to locate package error: apt-get install curl Reading package lists... Done Building dependency tree Reading st...

How to use new PasswordEncoder from Spring Security

As of Spring Security 3.1.4.RELEASE, the old org.springframework.security.authentication.encoding.PasswordEncoder has been deprecated in favour of org.springframework.security.crypto.password.PasswordEncoder. As my application has not been released t...

Use jQuery to change value of a label

I have a label, costLabel. What I want to be able to do is change the value of this label depending on the selected value of a dropdownlist. This is my HTML: <table> <tr> <td width="343">Package*</td> <td col...

How to convert a String to a Date using SimpleDateFormat?

I have this code snippet: DateFormat formatter1; formatter1 = new SimpleDateFormat("mm/DD/yyyy"); System.out.println((Date)formatter1.parse("08/16/2011")); When I run this, I get this as the output: Sun Jan 16 00:10:00 IST 2011 I expected: Tue...

What's the difference between a Future and a Promise?

What's the difference between Future and Promise? They both act like a placeholder for future results, but where is the main difference?...

Eclipse keyboard shortcut to indent source code to the left?

I've looked in the keyboard shortcuts list in Eclipse but can't find keyboard shortcut to indent source code to the left. Surely there is one?...

Warning: require_once(): http:// wrapper is disabled in the server configuration by allow_url_include=0

I am trying to include a php file in a page via require_once(http://localhost/web/a.php) I am getting an error Warning: require_once(): http:// wrapper is disabled in the server configuration by allow_url_include=0 I changed allow_url_inc...

jQuery.ajax handling continue responses: "success:" vs ".done"?

I have been working with jQuery and AJAX for a few weeks now and I saw two different ways to 'continue' the script once the call has been made: success: and .done. From the synopsis from the jQuery documentation we get: .done(): Description: Add han...

How can I format date by locale in Java?

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