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What’s a class handler callback in Objective-C runtime?

What’s a class handler callback in Objective-C runtime? As per the documentation, objc_getClass is different from objc_lookUpClass in that if the class is not registered, objc_getClass calls the class handler callback and then checks a second time to see whether the class is registered. objc_lookUpClass does not call the class handler callback.

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Cannot call C function from bootloader (NASM + GCC toolchain)

I am attempting to write my own OS kernel, and have been having some issues getting the linking to work properly between my bootloader and (what will soon be) my kernel (written in C). I have the following code… src/bootloader.asm ; Allows our code to be run in real mode. BITS 16 extern kmain section […]

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The PowerShell Form button text is not correctly aligned and blurry

The font is different from the MessageBox and custom Form button. $size = New-Object System.Drawing.Size(350, 154); $form = New-Object System.Windows.Forms.Form; $form.BackColor = [System.Drawing.SystemColors]::Window; $form.StartPosition = “CenterScreen”; $form.MinimumSize = $size; $form.ShowIcon = $false; $form.Topmost = $true; $form.Text = $Title; $form.Size = $size; $ok = New-Object System.Windows.Forms.Button; $ok.Size = New-Object System.Drawing.Size(75, 23); $ok.UseVisualStyleBackColor = $true; $ok.DialogResult = […]

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Sending frames using sockets in Python

I’m trying to get frames from client, send it to server and from there write it into a video. But I keep failing in sending part, getting TypeError: Expected Ptr<cv::UMat> for argument ‘%s’ error in out.write(frame). I’ve also tried using pickle.dumps(frame) and then loading it in server side but it keeps getting truncated. Server: import […]

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Development Google

How to put Google Analytics api response in a sheet?

I want to import Google Analytics remarketing Audiences into a spreadsheet. I get the response from Google Analytics Management API, but I cannot get my head around on how to parse this and get it into a spreadsheet. function getlists() { var ss = SpreadsheetApp.getActiveSheet(); var acc = XXX; var prop = “UA-XXX-1”; var lists […]

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Channel Worker crash: how to do some task before crash?

For debugging purposes, I need to do a task (send an email) when some Channel Workers stops for an error. I don’t find a closure method that I could edit to add mi task in the SyncConsumer or AsyncConsumer. channels==2.2.0 channels-redis==2.4.0

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Rdd to Data Frame – i am getting output in the data frame table with ” ” like “2012-10-10″ but my required output is without ” ” like 2012-10-10

My input file contains below input “date”,”time”,”size”,”r_version”,”r_arch”,”r_os” “2012-10-01″,”00:30:13″,35165,”2.15.1″,”i686″,”linux-gnu” “2012-10-01″,”00:30:15″,212967,”2.15.1″,”i686″,”linux-gnu” “2012-10-01″,”02:30:16″,167199,”2.15.1″,”x86_64″,”linux-gnu” my present output is like present output my required output is required output I tried with below code conf=SparkConf().setMaster(“local”).setAppName(“logfile”) sc=SparkContext(conf = conf) spark=SparkSession.builder.appName(“yuva”).getOrCreate() lines=sc.textFile(“file:///SaprkCourse/filelog.txt”) lines=Seq(“file:///SaprkCourse/filelog.txt”).t header = lines.first() lines = lines.filter(lambda row : row != header) values=lines.map(lambda x: x.split(“,”)) df=values.toDF(header.split(“,”)) df.show()

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Faulty TensorFlow C install on MacOS?: dyld errors “Library not loaded: @rpath/libtensorflow.1.dylib” and “Symbol not found: __cg_DGifCloseFile”

Question How should I install the TensorFlow C library on MacOS or otherwise address the errors: dyld: Library not loaded: @rpath/libtensorflow.1.dylib Referenced from: /Users/Me/./hello_tf Reason: image not found Abort trap: 6 and dyld: Symbol not found: __cg_DGifCloseFile Referenced from: /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO Expected in: /usr/local/lib/libGIF.dylib in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO Abort trap: 6 Context I followed the installation instructions for […]

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Set a Unix timestamp using Mongo’s internal clock

I would like to be able to set a timestamp on a field in Mongo as an integer in seconds, not milliseconds as is the default in Mongo from a node.js application. If I were to do that the following, is the new Date() calculated from my node application or by the Mongo database? db.testcollection.save({“mydate”: […]

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How to plot a Multivariate gaussian distribution in 3 variables

I have a dataset in 3 variables (x,y,z), and I am trying for create a multivariate Gaussian distribution. I want to plot the distribution for the 3 variables in a surface style, with axes are the variables (X,Y,Z) and color surface is the Gaussian density function. I am trying plot_surface but it’s only in 3 […]