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IPython loading variables to workspace: can you think of a better solution than this?

由 为君一笑 提交于 2019-12-01 08:27:25
问题 I'm migrating from MATLAB to ipython and before taking the leap I'm going through my minimal workflow to make sure every operation I perform daily on MATLAB for data crunching is available on ipython. I'm currently stuck on the very basic task of saving and loading numpy arrays via a one-line command, such as MATLAB's: >>> save('myresults.mat','a','b','c') >>> load('myresults.mat') In particular, what I like about MATLAB's load command is that not only it reads the data file but it loads the

Which elements will load first in an html page?

由 五迷三道 提交于 2019-12-01 07:39:27
I want to know which elements (html tags, scripts, styles, images) will load first when opening a web page? Can anybody help me? Thanks in advance. HTML pages are interpreted on the fly and read in their entirety from top to bottom - so, the first elements will load first, the last last. For instance, if you place a script at the top of the body then it will be executed prior to any elements within the body loading; whereas if you place is at the end of the body , all elements within the body will load then the script will execute. The order of loading for external sources such as scripts and

No valid constructor during serialization

由 那年仲夏 提交于 2019-12-01 07:34:34
I have a major problem during loading the extension into the program. I get an exception as there is no valid constructor. The problem is in the line: ekstensja = (ArrayList<Dydaktyk>) ois.readObject(); I get something like that: java.io.InvalidClassException: Dydaktyk; no valid constructor at java.io.ObjectStreamClass$ExceptionInfo.newInvalidClassException(Unknown Source) at java.io.ObjectStreamClass.checkDeserialize(Unknown Source) at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source) at java.io.ObjectInputStream.readObject0(Unknown Source) at java.io.ObjectInputStream.readObject

How to instantiate and load a view controller before segueing to it using swift

由 心已入冬 提交于 2019-12-01 07:05:50
问题 I have an issue when I go from viewController A to viewController B, in which it has roughly a 5 second delay before segueing to it. I believe it is due to the amount of views that I'm loading up in viewDidLoad. I have an xib file that has a stack view of 11 sections that represent levels. Each section has a button and a few images that can change depending on the users progress. In addition, I instantiate 10 of these xib views to load in a scrollview. This all happens in the viewDidLoad. I'm

How to catch svg image fail to load in D3?

由 爱⌒轻易说出口 提交于 2019-12-01 06:44:20
I am using D3 to create a visualization with rows of <image> svg elements. Could anyone know how I can upload a replacement image if the image file is not available? var images= imageGroup.append('svg:image') .attr("xlink:href",function(d,i){ //lines of code to process filename return "/img/" + filename + ".jpg" }) This is more a JavaScript question then d3.js : <!DOCTYPE html> <html> <head> <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.min.js"></script> </head> <body> <svg width="100" height="100"></svg> <script> // set up svg image tag var images = d3.select

Load a file from src folder into a reader

由 筅森魡賤 提交于 2019-12-01 06:35:34
I would like to know how can I load a file lol.txt from src folder into my close method. The code so far: public void close() throws IOException { boolean loadFromClasspath = true; String fileName = "..."; // provide an absolute path here to be sure that file is found BufferedReader reader = null; try { if (loadFromClasspath) { // loading from classpath // see the link above for more options InputStream in = getClass().getClassLoader().getResourceAsStream("lol.txt"); reader = new BufferedReader(new InputStreamReader(in)); } else { // load from file system reader = new BufferedReader(new

Java Programming - Best way to save/read data for an application [closed]

由 心不动则不痛 提交于 2019-12-01 05:36:21
Please forgive this quesiton if it has already been answered, but I have been searching online for the past hour to try to figure it out. I'm working on getting back into Java programming and I'm trying to understand the best way to save/read data I would be storing in my application. Would I put everything into a text file and read it all in when the application starts and save it all on exit? I figured that might eat up too much memory if the application was too large? I would say if you need to store few information you can use a properties file. Ex: http://www.mkyong.com/java/java

jQuery check if image already loaded before binding a .load() event [duplicate]

由 喜你入骨 提交于 2019-12-01 05:33:52
This question already has an answer here: Using image.complete to find if image is cached on chrome? 1 answer I have a coverflow plug-in for jQuery, which should adjust to the tallest image from a series of images. Currently it uses a .load() binding on each image and adjusts the plug-in after a counter indicates all images have been loaded. I've been told this isn't reliable on all browsers, though. Typically, most of these images will already be loaded in the browser cache, so the .load() binding is triggered a lot more than necessary. In order to reduce the overhead I'd like to reduce the

jQuery image load callback

由 落花浮王杯 提交于 2019-12-01 05:30:27
Dynamically adding an image to the page after load then user interaction and am having trouble firing a function after that image has completely loaded. I figured that using jQuery's .load() method would be fine.. but according my console and a bunch of documenting .log business it's never executed. See below.. thank you! $('body') .append('<img id="ad" src="img/ad.jpg" alt="Advertising Network" />') .load(function(){ console.log('ad load complete'); $('#submit').click(); }); UPDATE: To clarify, this is after both document and window load. In your code .load() is related to the body because of

How to catch svg image fail to load in D3?

由 拜拜、爱过 提交于 2019-12-01 05:03:07
问题 I am using D3 to create a visualization with rows of <image> svg elements. Could anyone know how I can upload a replacement image if the image file is not available? var images= imageGroup.append('svg:image') .attr("xlink:href",function(d,i){ //lines of code to process filename return "/img/" + filename + ".jpg" }) 回答1: This is more a JavaScript question then d3.js : <!DOCTYPE html> <html> <head> <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.min.js"></script>
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