How to download and save a file from Internet using Java?

How to download and save a file from Internet using Java?

There is an online file (such as http://www.example.com/information.asp) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download

What uses are there for “placement new”?

What uses are there for “placement new”?

Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware. 1:Placement new allows you to construct an object on memory that's already allocated.You may want to

How do I properly clean up Excel interop objects?

How do I properly clean up Excel interop objects?

I'm using the Excel interop in C# (ApplicationClass) and have placed the following code in my finally clause:while (System.Runtime.InteropServices.Marshal.ReleaseComObject(excelSheet) != 0) { }excelSheet = null;GC.Collect();GC.WaitForPendin

.parent().remove() issue

.parent().remove() issue

I have a jQuery-based form where you can add extra people to the application. I'm cloning the first fieldset and adding it onto the end up to a max of 3 additional people. When you've added 1 extra person then you have the option to remove

emacs on mac os x, how to get spell check to work

emacs on mac os x, how to get spell check to work

I'm moving from Windows to Mac, and I've spent the whole night trying to get emacs to work. I've installed GNU emacs and simply copied over my Windows .emacs file, which seems to work ok, except for spell check. I installed cocoAspell and f

DataGridView setting Row height in code and disable manual resize

DataGridView setting Row height in code and disable manual resize

In my grid I had following line of code which disabled user's manual resizing:dgvTruckAvail.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells;Now I needed to set column height in code and it didn't work (see DataGridView setting row

Convert a string of 0-F into a byte array in Ruby

Convert a string of 0-F into a byte array in Ruby

I am attempting to decrypt a number encrypted by another program that uses the BouncyCastle library for Java.In Java, I can set the key like this: key = Hex.decode("5F3B603AFCE22359");I am trying to figure out how to represent that same st

Matplotlib: Move ticklabels between ticks

Matplotlib: Move ticklabels between ticks

I want to create a visualization of a confusion matrix using matplotlib.Parameters to the methods shown below are the class labels (alphabet),the classification results as a list of lists (conf_arr) and an output filename.I am pretty happy

Importing Vue Components with Webpack

Importing Vue Components with Webpack

I have a hello world Vue app setup with Webpack and have the initial App component working and mounted to body. Although within that App component I can't figure out how to use more components I made.main.jsimport Vue from 'vue'import App f

How to add string objects to NSMutableArray

How to add string objects to NSMutableArray

I have an NSMutableArray named randomSelection:NSMutableArray *randomSelection;I am then trying to add strings to this array if certain criteria are met:[randomSelection addObject:@"string1"];I am then trying to output the string, to determ

How do I get a model from a Backbone.js collection by its id?

How do I get a model from a Backbone.js collection by its id?

In my app, everything I do with data is based on the primary key as the data is stored in the database. I would like to grab a model from a collection based on this key.Using Collection.at() requires the array index, Collection.getByCid() r

Array NullPointerException? [duplicate]

Array NullPointerException? [duplicate]

This question already has an answer here: What is a NullPointerException, and how do I fix it? 12 answers Ok. I don't get why my code is reporting a Nu

PHP: RegEx for string with 3-9 letters and 5-50 numbers

PHP: RegEx for string with 3-9 letters and 5-50 numbers

How can I make a RegEx in PHP that only accepts 3-9 letters (uppercase) and 5-50 numbers?I'm not that good at regular expressions. But this one doesn't work:/[A-Z]{3,9}[0-9]{5,50}/For instance, it matches ABC12345 but not A12345BCAny ideas?

python: change sys.stdout print to custom print function

python: change sys.stdout print to custom print function

Im trying to understand how to create a custom print function.(using python 2.7) import sysclass CustomPrint(): def __init__(self): self.old_stdout=sys.stdout #save stdout def write(self, text): sys.stdout = self.old_std

multiple environments with codeigniter

multiple environments with codeigniter

I'm trying to understand the best course of action with using multiple environments, such as development, testing, production for my application with codeigniter.As of right now I have one folder for my application. I'm seen places that tal

MATLAB functions in C++ [closed]

MATLAB functions in C++ [closed]

Does anyone know a resource where we can obtain FREE C++ libraries for MATLAB functions? For example, linear algebra problems can be solved using LAPACK and BLAS.Also, MATLAB in a .NET project is out of the question - I'm talking about dire

CSS/Webkit: Background Images for Table Row

CSS/Webkit: Background Images for Table Row

For some reason when you apply a background image to a tr in Safari/Chrome it renders it as if the rule applies to every td.Firefox:Firefox http://www.whyprime.com/temp/table-firefox.pngSafari:Safari http://www.whyprime.com/temp/table-safar

Scala - Currying and default arguments

Scala - Currying and default arguments

I have a function with two parameter lists that I am trying to partially apply and use with currying. The second parameter list contains arguments that all have default values (but not implicit). Something like this: def test(a: Int)(b: Int

iOS 7 UITextView link detection crash in UITableView

iOS 7 UITextView link detection crash in UITableView

I have a custom UITableView cell set up in my UITableView like this:- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *identifier = @"CELL_IDENTIFIER"; SGCustomCel

Forward Ports from boot2docker using the Vagrant Docker provider

Forward Ports from boot2docker using the Vagrant Docker provider

I'm trying to utilize Vagrant 1.6's Docker provider and I seem to have run into a snag. I can successfully bring up the Docker container and guest OS, but then I can't access the service I've brought up within the container from the host OS

Angularjs - dynamic ng-options

Angularjs - dynamic ng-options

For the need of a directive i'm writing, i have to construct dynamically the ng-options expression. Here is what i tried.In my directive: // ... scope.labelProperty = 'name';scope.selectOptions = "l." + scope.labelProperty + " for l in list

Database design for storing food recipes

Database design for storing food recipes

I want to make a database of recipes that I like, but I'm having trouble designing it. I want to have at least two tables:Recipe table (Has description, ingredients, directions, etc...)Ingredients table (ingredient type, other attributes, e

Tokenizing unicode using nltk

Tokenizing unicode using nltk

I have textfiles that use utf-8 encoding that contain characters like 'ö', 'ü', etc. I would like to parse the text form these files, but I can't get the tokenizer to work properly. If I use standard nltk tokenizer:f = open('C:\Python26\tex

Applying a function to values in dict

Applying a function to values in dict

I want to apply a function to all values in dict and store that in a separate dict. I am just trying to see how I can play with python and want to see how I can rewrite something like thisfor i in d: d2[i] = f(d[i])to something like d2[i

How do I implement custom rendering logic in dust.js?

How do I implement custom rendering logic in dust.js?

I'm using dust.js to render a list of variable names that are sometimes long and contain underscores like:SUM_COUNT_LABOR_COUNTRIES_SMS_PASTThe browser doesn't wrap on underscores so it can get ugly. I'd like my dust template to add a zero-