Questions Tagged with #Base64

Base64 is a set of encoding schemes that represent binary data in an ASCII string format.

Convert Base64 string to an image file?

I am trying to convert my base64 image string to an image file. This is my Base64 string: Using following code to convert it into an image file: function base64_to_jpeg..

base64 encoded images in email signatures

I have to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments ge..

How can I save a base64-encoded image to disk?

My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simp..

Base64 PNG data to HTML5 canvas

I want to load a PNG image encoded in Base64 to canvas element. I have this code: <html> <head> </head> <body> <canvas id="c"></canvas> <script type="text/javas..

Python base64 data decode

I have the following piece of base64 encoded data, and I want to use python base64 module to extract information from it. It seems that module does not work. Can anyone tell me how? Q5YACgAAAABDlgA..

PHP - get base64 img string decode and save as jpg (resulting empty image )

hi i'm actually sending a base64 image string trough ajax to a php script which just decodes string and save content as .jpg file. But the result is an empty image. How can this be possible? php sc..

Decoding base64 in batch

I am trying to make an installer using batch. Of course, an installer needs to consist of files that will be installed, so I'm thinking of encoding the files in base64, and simply decode them and writ..

ReadFile in Base64 Nodejs

I'm trying to read an image from client side encoded in base64. How to read with nodejs? My code: // add to buffer base64 image var encondedImage = new Buffer(, 'base64'); fs.readFile(enc..

Convert an image (selected by path) to base64 string

How do you convert an image from a path on the user's computer to a base64 string in C#? For example, I have the path to the image (in the format C:/image/1.gif) and would like to have a data URI like..

How to convert Base64 String to javascript file object like as from file input form?

I want to convert Base64String extracted from file(ex: "AAAAA....~") to a javascript file object. The javascript file object what I mean is like this code: HTML: <input type="file" id="selectFi..

How can you encode a string to Base64 in JavaScript?

I have a PHP script that can encode a PNG image to a Base64 string. I'd like to do the same thing using JavaScript. I know how to open files, but I'm not sure how to do the encoding. I'm not used to ..

Convert between UIImage and Base64 string

Does anyone know how to convert a UIImage to a Base64 string, and then reverse it? I have the below code; the original image before encoding is good, but I only get a blank image after I encode and d..

Base64 String throwing invalid character error

I keep getting a Base64 invalid character error even though I shouldn't. The program takes an XML file and exports it to a document. If the user wants, it will compress the file as well. The compress..

C# Base64 String to JPEG Image

I am trying to convert a Base64String to an image which needs to be saved locally. At the moment, my code is able to save the image but when I open the saved image, it says "Invalid Image". Code: ..

Java - Convert image to Base64

I'm having a problem while converting a gif image to a base 64 string. When I converts it, the code adds me like 100,000 AAAAAA whereas the image is really small! Here is my code: import

RegEx to parse or validate Base64 data

Is it possible to use a RegEx to validate, or sanitize Base64 data? That's the simple question, but the factors that drive this question are what make it difficult. I have a Base64 decoder that can ..

java.lang.NoSuchMethodError: org.apache.commons.codec.binary.Base64.encodeBase64String() in Java EE application

I am developing a Java EE application in which I need Base64 Encoding/Decoding So I added commons-codec-1.5.jar in WEB-INF/lib folder of my application and used import org.apache.commons.codec.bina..

Conversion from byte array to base64 and back

I am trying to: Generate a byte array. Convert that byte array to base64 Convert that base64 string back to a byte array. I've tried out a few solutions, for example those in this question. Fo..

Convert base64 string to image

I am trying to crop/resize user profile image using jquery plugin namely crop.js which sends user image as base64 via ajax to my controller as $.ajax({ type: "post", dataType: "jso..

Is there a way to set background-image as a base64 encoded image?

I want to change background dynamically in JS and my set of images is in base64 encoded. I try: document.getElementById("bg_image").style.backgroundImage = "url(''..

Encode a FileStream to base64 with c#

I know how to encode / decode a simple string to / from base64. But how would I do that if the data is already been written to a FileStream object. Let's say I have only access to the FileStream obj..

How to display Base64 images in HTML?

I'm having trouble displaying a Base64 image inline. Can someone point me in the right direction? <!DOCTYPE html> <html> <head> <title>Display Image</title> <..

How do I decode a base64 encoded string?

I am trying to "decode" this following Base64 string: OBFZDTcPCxlCKhdXCQ0kMQhKPh9uIgYIAQxALBtZAwUeOzcdcUEeW0dMO1kbPElWCV1ISFFKZ0kdWFlLAURPZhEFQVseXVtPOUUICVhMAzcfZ14AVEdIVVgfAUIBWVpOUlAeaUVMXFlKIy..

Encoding an image file with base64

I want to encode an image into a string using the base64 module. I've ran into a problem though. How do I specify the image I want to be encoded? I tried using the directory to the image, but that sim..

How to save a PNG image server-side, from a base64 data string

I'm using Nihilogic's "Canvas2Image" JavaScript tool to convert canvas drawings to PNG images. What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the s..

How to check whether a string is Base64 encoded or not

I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error. How can I check if a string is Base64 encoded?..

Binary Data in JSON String. Something better than Base64

The JSON format natively doesn't support binary data. The binary data has to be escaped so that it can be placed into a string element (i.e. zero or more Unicode chars in double quotes using backslash..

How to check for a valid Base64 encoded string

Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this: // Convert base64-encoded hash value into a ..

How to convert base64 string to image?

I'm converting an image to base64 string and sending it from android device to the server. Now, I need to change that string back to an image and save it in the database. Any help?..

Send a base64 image in HTML email

Using a rich-text editor, our users can drag and drop a saved image from their desktop to the editor. The image appears and displays properly in the web page after they submit. Since the image is not..

How to convert an Image to base64 string in java?

It may be a duplicate but i am facing some problem to convert the image into Base64 for sending it for Http Post. I have tried this code but it gave me wrong encoded string. public static void main(..

How to convert a Base64 string into a Bitmap image to show it in a ImageView?

I have a Base64 String that represents a BitMap image. I need to transform that String into a BitMap image again to use it on a ImageView in my Android app How to do it? This is the code that I use..

How to save a base64 image to user's disk using JavaScript?

I have converted the source content from the <img> html tag to a base64String using JavaScript. The image was displayed clearly. Now I want to save that image to user's disk using javascript. &..

C# Convert a Base64 -> byte[]

I have a Base64 byte[] array which is transferred from a stream which i need to convert it to a normal byte[] how to do this ?..

Storing image in database directly or as base64 data?

The common method to store images in a database is to convert the image to base64 data before storing the data. This process will increase the size by 33%. Alternatively it is possible to directly sto..

How to decode a Base64 string?

I have a normal string in Powershell that is from a text file containing Base64 text; it is stored in $x. I am trying to decode it as such: $z = [System.Text.Encoding]::Unicode.GetString([System.Conv..

convert base64 to image in javascript/jquery

I have written some code for image capturing using javascript/jquery Below is the code: function capture_image(){ alert("capture_image"); var p = webcam.capture();; ..

Base64: java.lang.IllegalArgumentException: Illegal character

I'm trying to send a confirmation email after user registration. I'm using the JavaMail library for this purpose and the Java 8 Base64 util class. I'm encoding user emails in the following way: byte..

How can I convert an image into a Base64 string?

What is the code to transform an image (maximum of 200 KB) into a Base64 String? I need to know how to do it with Android, because I have to add the functionality to upload images to a remote se..

Decode Base64 data in Java

I have an image that is Base64 encoded. What is the best way to decode that in Java? Hopefully using only the libraries included with Sun Java 6...

How to encode text to base64 in python

I am trying to encode a text string to base64. i tried doing this : name = "your name" print('encoding %s in base64 yields = %s\n'%(name,name.encode('base64','strict'))) But this gives me the foll..

How to convert uint8 Array to base64 Encoded String?

I got a webSocket comunication, I recieve base64 encoded string, convert it to uint8 and work on it, but now I need to send back, I got the uint8 array, and need to convert it to base64 string, so I c..

Base64 decode snippet in C++

Is there a freely available Base64 decoding code snippet in C++?..

How do I base64 encode a string efficiently using Excel VBA?

I need to encode a 100KB+ string as base64 in VBA. Are there any built-in functions or COM objects available which will do this as a pure VBA approach is either complex or doesn't scale well at these ..

How to Resize a Bitmap in Android?

I have a bitmap taken of a Base64 String from my remote database, (encodedImage is the string representing the image with Base64): profileImage = (ImageView)findViewById(; byte[] i..

Android Bitmap to Base64 String

How do I convert a large Bitmap (photo taken with the phone's camera) to a Base64 String?..

Get image data url in JavaScript?

I have a regular HTML page with some images (just regular <img /> HTML tags). I'd like to get their content, base64 encoded preferably, without the need to redownload the image (ie. it's already..

ArrayBuffer to base64 encoded string

I need an efficient (read native) way to convert an ArrayBuffer to a base64 string which needs to be used on a multipart post. ..

Base 64 encode and decode example code

Does anyone know how to decode and encode a string in Base64 using the Base64. I am using the following code, but it's not working. String source = "password"; byte[] byteArray = source.getBytes("UT..

How to do Base64 encoding in node.js?

Does node.js have built-in base64 encoding yet? The reason why I ask this is that final() from crypto can only output hex, binary or ascii data. For example: var cipher = crypto.createCipheriv('des-..

Convert base64 png data to javascript file objects

I have two base64 encoded in PNG, and I need to compare them using Resemble.JS I think that the best way to do it is to convert the PNG's into file objects using fileReader. How can I do it?..

Python: Ignore 'Incorrect padding' error when base64 decoding

I have some data that is base64 encoded that I want to convert back to binary even if there is a padding error in it. If I use base64.decodestring(b64_string) it raises an 'Incorrect padding' erro..

How do I base64 encode (decode) in C?

I have binary data in an unsigned char variable. I need to convert them to PEM base64 in c. I looked in openssl library but i could not find any function. Does any body have any idea?..

Why do I need 'b' to encode a string with Base64?

Following this python example, I encode a string as Base64 with: >>> import base64 >>> encoded = base64.b64encode(b'data to be encoded') >>> encoded b'ZGF0YSB0byBiZSBlbmNvZ..

Why do we use Base64?

Wikipedia says Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. Thi..

Decoding a Base64 string in Java

I'm trying to decode a simple Base64 string, but am unable to do so. I'm currently using the org.apache.commons.codec.binary.Base64 package. The test string I'm using is: abcdefg, encoded using PHP ..

Passing base64 encoded strings in URL

Is it safe to pass raw base64 encoded strings via GET parameters?..

base64 encode in MySQL

I want to select a blob col from one table, base64 encode it and insert it into another tables. Is there any way to do this without round tripping the data out of the DB and through my app?..

Base64 encoding and decoding in oracle

How can I do Base64 encode/decode a value in Oracle?..

How can I set Image source with base64

I want to set the Image source to a base64 source but it does not work: <img id="img" src="" /> the JavaScript document.getElementById("img").src = "data:image/png;base64..

Pdf.js: rendering a pdf file using a base64 file source instead of url

I'm trying to render a page from a pdf with pdf.js Normally, using a url, I can do this: PDFJS.getDocument("").then(function getPdfHelloWorld(pdf) { // // Fetch the..

How to convert file to base64 in JavaScript?

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

Convert UTF-8 to base64 string

I'm trying to convert UTF-8 to base64 string. Example: I have "abcdef==" in UTF-8. It's in fact a "representation" of a base64 string. How can I retrieve a "abcdef==" base64 string (note that I don..

Invalid length for a Base-64 char array

As the title says, I am getting: Invalid length for a Base-64 char array. I have read about this problem on here and it seems that the suggestion is to store ViewState in SQL if it is large...

How can I encode a string to Base64 in Swift?

I want to convert a string to Base64. I found answers in several places, but it does not work anymore in Swift. I am using Xcode 6.2. I believe the answer might be work in previous Xcode versions and ..

How to get base64 encoded data from html image

I have a registration form where users can choose an avatar. They have 2 possibilities: Choose a default avatar Upload their own avatar In my HTML page I have this. <img id="preview" src="img/..

Convert base64 string to ArrayBuffer

I need to convert a base64 encode string into an ArrayBuffer. The base64 strings are user input, they will be copy and pasted from an email, so they're not there when the page is loaded. I would like ..

Can we convert a byte array into an InputStream in Java?

Can we convert a byte array into an InputStream in Java? I have been looking on the internet but couldn't find it. I have a method that has an InputStream as argument. The InputStream cph I have is ..

How can I convert an image into Base64 string using JavaScript?

I need to convert my image to a Base64 string so that I can send my image to a server. Is there any JavaScript file for this? Else, how can I convert it?..

Base64 Java encode and decode a string

I want to encode a string into base64 and transfer it through a socket and decode it back. But after decoding it gives different answer. Following is my code and result is "77+9x6s=" import javax..

what does this mean ? image/png;base64?

I don't know what we call this. but i found a image at google 404 url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKsAAADVCAMAAAAfHvCaAAAAGFBMVEVYn%2BH%2F%2F%2F%2Bex%2B3U5vd7s%2Bfq8%2Fs0itq72PMLUP..

Base64 encoding in SQL Server 2005 T-SQL

I'd like to write a T-SQL query where I encode a string as a Base64 string. Surprisingly, I can't find any native T-SQL functions for doing Base64 encoding. Does a native function exist? If not, wh..

The input is not a valid Base-64 string as it contains a non-base 64 character

I have a REST service that reads a file and sends it to another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received a..

Save base64 string as PDF at client side with JavaScript

So here my problem: I have a pdf file as a base64 String that i am getting from the server. I would like to use this string to either display the PDF directly to the browser or give it a option of "Sa..

Base64 encoding and decoding in client-side Javascript

Are there any methods in JavaScript that could be used to encode and decode a string using base64 encoding?..

Get Base64 encode file-data from Input Form

I've got a basic HTML form from which I can grab a bit of information that I'm examining in Firebug. My only issues is that I'm trying to base64 encode the file data before it's sent to the server whe..

How to base64 encode image in linux bash / shell

I'm trying to base64 encode an image in a shell script and put it into variable: test="$(printf DSC_0251.JPG | base64)" echo $test RFNDXzAyNTEuSlBH I've also tried something like this: test=\`echo..

NodeJS: How to decode base64 encoded string back to binary?

I was implementing password hashing with salt, so I generated salt as binary, hashed the password, base64 encoded the password and salt then stored them into database. Now when I am checking password..

Write Base64-encoded image to file

How to write a Base64-encoded image to file? I have encoded an image to a string using Base64. First, I read the file, then convert it to a byte array and then apply Base64 encoding to convert the im..

How do I do base64 encoding on iOS?

I'd like to do base64 encoding and decoding, but I could not find any support from the iPhone SDK. How can I do base64 encoding and decoding with or without a library?..

Secure random token in Node.js

In this question Erik needs to generate a secure random token in Node.js. There's the method crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it..

Get data from file input in JQuery

I actually have a file input and I would like to retrieve the Base64 data of the file. I tried: $('input#myInput')[0].files[0] to retrieve the data. But it only provides the name, the length, the..

How do I encode and decode a base64 string?

How do I return a base64 encoded string given a string? How do I decode a base64 encoded string into a string? ..

Using JavaScript to display a Blob

I am retrieving a Blob image from a database, and I'd like to be able to view that image using JavaScript. The following code produces a broken image icon on the page: var image = document.createElem..

Creating a BLOB from a Base64 string in JavaScript

I have Base64-encoded binary data in a string: const contentType = 'image/png'; const b64Data = 'iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAA..

Is embedding background image data into CSS as Base64 good or bad practice?

I was looking at the source of a greasemonkey userscript and noticed the following in their css: .even { background: #fff url(data:image/gif;base64,R0lGODlhBgASALMAAOfn5+rq6uvr6+zs7O7u7vHx8fPz8/b29vj..

Encoding as Base64 in Java

I need to encode some data in the Base64 encoding in Java. How do I do that? What is the name of the class that provides a Base64 encoder? I tried to use the sun.misc.BASE64Encoder class, without s..

What is the effect of encoding an image in base64?

If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be? Is it recommended to use base64 encoded images on my website?..

Image convert to Base64

<input type="file" id="asd"/> I would like to get the image in base64 once the user chose that (before submitting the form) Something like : $(input).on('change',function(){ var data = $(t..

Why does a base64 encoded string have an = sign at the end

I know what base64 encoding is and how to calculate base64 encoding in C#, however I have seen several times that when I convert a string into base64, there is an = at the end. A few questions came u..

Converting file into Base64String and back again

The title says it all: I read in a tar.gz archive like so break the file into an array of bytes Convert those bytes into a Base64 string Convert that Base64 string back into an array of bytes Write..

Embedding Base64 Images

Purely out of curiosity, which browsers does Base64 image embedding work in? What I'm referring to is this. I realize it's not usually a good solution for most things, as it increases the page size q..

How to convert an image to base64 encoding?

Can you please guide me how can I convert an image from a URL to base64 encoding?..

Base64 length calculation?

After reading the base64 wiki ... I'm trying to figure out how's the formula working : Given a string with length of n , the base64 length will be Which is : 4*Math.Ceiling(((double)s.Length/3)..

What is base 64 encoding used for?

I've heard people talking about "base 64 encoding" here and there. What is it used for?..

converting a base 64 string to an image and saving it

Here is my code: protected void SaveMyImage_Click(object sender, EventArgs e) { string imageUrl = Hidden1.Value; string saveLocation = Server.MapPath("~/PictureUploads..

How to create a String with carriage returns?

For a JUnit test I need a String which consists of multiple lines. But all I get is a single lined String. I tried the following: String str = ";;;;;;\n" + "Name, number, address..

Python creating a dictionary of lists

I want to create a dictionary whose values are lists. For example: { 1: ['1'], 2: ['1','2'], 3: ['2'] } If I do: d = dict() a = ['1', '2'] for i in a: for j in range(int(i), int(i) + 2..

Access-Control-Allow-Origin and Angular.js $http

Whenever I make a webapp and I get a CORS problem, I start making coffee. After screwing with it for a while I manage to get it working but this time it's not and I need help. Here is the client side..

Cannot ping AWS EC2 instance

I have an EC2 instance running in AWS. When I try to ping from my local box it is not available. How can I make the instance pingable?..

Tkinter: How to use threads to preventing main event loop from "freezing"

I have a small GUI test with a "Start" button and a Progress bar. The desired behavior is: Click Start Progressbar oscillates for 5 seconds Progressbar stops The observed behavior is the "Start" b..

Tried to Load Angular More Than Once

I have a yeoman scaffolded app (the angular fullstack generator). grunt serve works fine, but grunt build produces a distribution that locks up memory, most probably because of circular references i..

Oracle: SQL select date with timestamp

I have the following data: SQL> select * from booking_session; BK_ID|BK_DATE -----|------------------------- 1|18-MAR-12 2|18-MAR-12 3|18-MAR-12 10.30...

How to get all elements by class name?

How to get all elements by class name on pure javascript ? Analog $('.class') in Jquery ?..

How to set maximum height for table-cell?

I got a table-cell with fixed width and height and if text is too large, cell size should remain the same and text should be hidden by overflow:hidden. div { display: table-cell height: 100px; ..

How can I change cols of textarea in twitter-bootstrap?

If I change the value of :rows, it works. But it stays at the default cols whatever value I set with ':cols =>'. Column width won't change. I viewed the html source and it reflected the change. I won..

There is no ViewData item of type 'IEnumerable<SelectListItem>' that has the key 'xxx'

There are a couple of posts about this on Stack Overflow but none with an answer that seem to fix the problem in my current situation. I have a page with a table in it, each row has a number of text ..

Is it possible to get a history of queries made in postgres

Is it possible to get a history of queries made in postgres? and is it be possible to get the time it took for each query? I'm currently trying to identify slow queries in the application I'm working ..

How to install sshpass on mac?

I would like to automate ssh login from my mac. It does have a simple solution: sshpass -p my_password ssh m_username@hostname but my problem is installing sshpass on my mac. ..

Permission denied on accessing host directory in Docker

Summary I am trying to mount a host directory in Docker, but then I can not access it from within the container, even if the access permissions look good. Details I am doing sudo docker run -i -v /dat..

Laravel assets url

I have installed Laravel and began trying to write an app. I made some directories for my assets in the same directory as /app. But when I try to visit an image in my localhost for example: http://lo..

Stopping an Android app from console

Is it possible to stop an Android app from the console? Something like: adb stop It would speed up our testing process so much. Right now we uninstall/install the app each time t..

Transform only one axis to log10 scale with ggplot2

I have the following problem: I would like to visualize a discrete and a continuous variable on a boxplot in which the latter has a few extreme high values. This makes the boxplot meaningless (the poi..

how to query LIST using linq

Suppose if I add person class instance to list and then I need to query the list using linq. List lst=new List(); lst.add(new person{ID=1,Name="jhon",salary=2500}); lst.add(new person{ID=2,Name="Sena..

How to make full screen background in a web page

How to make an image as background for web page, regardless of the screen size displaying this web page? I want to display it properly. How?..

Remove HTML Tags from an NSString on the iPhone

There are a couple of different ways to remove HTML tags from an NSString in Cocoa. One way is to render the string into an NSAttributedString and then grab the rendered text. Another way is to use ..

How to evaluate a boolean variable in an if block in bash?

I have defined the following variable: myVar=true now I'd like to run something along the lines of this: if [ myVar ] then echo "true" else echo "false" fi The above code does work, but ..

How do I change the title of the "back" button on a Navigation Bar

Currently the left bar button default value is the title of the view that loaded the current one, in other words the view to be shown when the button is pressed (back button). I want to change the te..

Error:Execution failed for task ':app:transformClassesWithDexForDebug' in android studio

I am moving my projects from eclipse to Android Studio. While running one of my app I get the following error. Not able to find any solution. I have enabled multidex as well. Error:Execution faile..

How to line-break from css, without using <br />?

output: hello How are you code: <p>hello <br> How are you </p> How to achieve same output without <br>?..

How do I "shake" an Android device within the Android emulator to bring up the dev menu to debug my React Native app

I am working on a cross-platform React Native mobile app. I am writing console.log statements as I develop. I want to see these logging statements in Chrome while I'm running the Android app in the de..

Only get hash value using md5sum (without filename)

I use md5sum to generate a hash value for a file. But i only need to receive the hash value, not the file name. md5=`md5sum ${my_iso_file}` echo ${md5} 3abb17b66815bc7946cefe727737d295 ./iso/somef..

Can't import Numpy in Python

I'm trying to write some code that uses Numpy. However, I can't import it: Python 2.6.2 (r262, May 15 2009, 10:22:27) [GCC 3.4.2] on linux2 Type "help", "copyright", "credits" or "license" for more..

Create Windows service from executable

Is there any quick way to, given an executable file, create a Windows service that, when started, launches it?..

How to randomly pick an element from an array

I am looking for solution to pick number randomly from an integer array. For example I have an array new int[]{1,2,3}, how can I pick a number randomly?..

How to add headers to a multicolumn listbox in an Excel userform using VBA

Is it possible to set up the headers in a multicolumn listbox without using a worksheet range as the source? The following uses an array of variants which is assigned to the list property of the list..

How to get the insert ID in JDBC?

I want to INSERT a record in a database (which is Microsoft SQL Server in my case) using JDBC in Java. At the same time, I want to obtain the insert ID. How can I achieve this using JDBC API?..

Check If only numeric values were entered in input. (jQuery)

I would like to check if users enter correct phone number in, with help of jQuery, so far I got to this stage: var phone = $("input#phone").val(); if (phone !== "") { //Check if phone is numeric ..

Django error - matching query does not exist

I finally released my project to the production level and suddenly I have some issues I never had to deal with in the development phase. When the users posts some actions, I sometimes get the followi..

how to execute php code within javascript

<button type="button" id="okButton" onclick="funk()" value="okButton">Order now </button> <script type="text/javascript"> function funk(){ alert("asdasd"); <?p..

How to import a bak file into SQL Server Express

I have a .bak file, and I want to use this file to recreate the database in a fresh install of SQL Server 2008 Management Studio. Can someone point me in the right direction on how this can be done? ..

How to use putExtra() and getExtra() for string data

Can someone please tell me how exactly to use getExtra() and putExtra() for intents? Actually I have a string variable, say str, which stores some string data. Now, I want to send this data from one a..

Nodejs convert string into UTF-8

From my DB im getting the following string: Johan Öbert What it should say is: Johan Öbert I've tried to convert it into utf-8 like so: nameString.toString("utf8"); But still same proble..

How do I check if a Socket is currently connected in Java?

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How do I use a progress bar when my script is doing some task that is likely to take time? For example, a function which takes some time to complete and returns True when done. How can I display a pr..

how to kill hadoop jobs

I want to kill all my hadoop jobs automatically when my code encounters an unhandled exception. I am wondering what is the best practice to do it? Thanks..

Is there a way to avoid null check before the for-each loop iteration starts?

Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this: if( list1 != null ){ for(Object obj : list1){ } }..

Converting newline formatting from Mac to Windows

I need a conversion utility/script that will convert a .sql dump file generated on Mac to one readable on Windows. This is a continuation of a problem I had here. The issue seems to be with newline ..

Print a file's last modified date in Bash

I can't seem to find how to print out the date of a file. I'm so far able to print out all the files in a directory, but I need to print out the dates with it. I know I need to attach a date format ..

How to convert a factor to integer\numeric without loss of information?

When I convert a factor to a numeric or integer, I get the underlying level codes, not the values as numbers. f <- factor(sample(runif(5), 20, replace = TRUE)) ## [1] 0.0248644019011408 0.0248644..

Using XPATH to search text containing &nbsp;

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How to fade changing background image

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JS regex: replace all digits in string

I need to replace all digits. My function only replaces the first digit. var s = "04.07.2012"; alert(s.replace(new RegExp("[0-9]"), "X")); // returns "X4.07.2012" ..

How to find the index of an element in an array in Java?

I am looking to find the index of a given element, knowing its contents, in Java. I tried the following example, which does not work: class masi { public static void main( String[] args ) { ..

The remote certificate is invalid according to the validation procedure

Running the following code, I get an exception: using (var client = new Pop3Client()) { client.Connect(provider.ServerWithoutPort, provider.Port, true); } The Exception I get: The remote certi..

Sorting a Python list by two fields

I have the following list created from a sorted csv list1 = sorted(csv1, key=operator.itemgetter(1)) I would actually like to sort the list by two criteria: first by the value in field 1 and then b..

How to get user's high resolution profile picture on Twitter?

I was reading the Twitter documentation at and it clearly states that: Alternative image sizes for user profile images You ..

How do I find out which computer is the domain controller in Windows programmatically?

I am looking for a way to determine what the Name/IP Address of the domain controller is for a given domain that a client computer is connected to. At our company we have a lot of small little networ..

How to paste text to end of every line? Sublime 2

I'm curious if there is a way to paste text to the end of every line in Sublime 2? And conversely, to the beginning of every line. test line one test line two test line three test line four ... ..

How do I get the coordinate position after using jQuery drag and drop?

How do I get the coordinate position after using jQuery drag and drop? I want to save the coordinate to a database, so that next time I visit, the item will be in that position. For example, x: 520px..

How to create custom view programmatically in swift having controls text field, button etc

I am trying to access the MyCustomView from another class using the following code in ViewController.swift .. var view = MyCustomView(frame: CGRectZero) .. in the viewDidLoad method. The problem is..

How to get the difference between two dictionaries in Python?

I have two dictionaries. I need to find the difference between the two which should give me both key and value. I have searched and found some addons/packages like datadiff, dictdiff-master but when ..

How to shrink temp tablespace in oracle?

How can we shrink temp tablespace in oracle? And why it is increasing so much like upto 25 GB since there is only one schema in the database for the application and data table space size is 2 GB and i..

Can Console.Clear be used to only clear a line instead of whole console?

While working on a question/answer program for school, it occurred to me that I can use Console.Clear() to wipe out everything on the screen. I wonder if I can use Console.Readline(valueOne), then out..

How do I get and set Environment variables in C#?

How can I get Environnment variables and if something is missing, set the value?..

Getting a union of two arrays in JavaScript

Say I have an array of [34, 35, 45, 48, 49] and another array of [48, 55]. How can I get a resulting array of [34, 35, 45, 48, 49, 55]?..

Best Free Text Editor Supporting *More Than* 4GB Files?

I am looking for a text editor that will be able to load a 4+ Gigabyte file into it. Textpad doesn't work. I own a copy of it and have been to its support site, it just doesn't do it. Maybe I need ..

Can I access variables from another file?

Is it possible to use a variable in a file called first.js inside another file called second.js? first.js contains a variable called colorcodes...

Java: How to get input from System.console()

I am trying to use Console class to get input from user but a null object is returned when I call System.console(). Do I have to change anything before using System.console? Console co=System.console..

Displaying files (e.g. images) stored in Google Drive on a website

I was wondering if its possible to access/display files like images which are stored in Google Drive on a public website...

The type is defined in an assembly that is not referenced, how to find the cause?

I know the error message is common and there are plenty of questions on SO about this error, but no solutions have helped me so far, so I decided to ask the question. Difference to most of similar que..