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Would it be possible to automatically split a table into several files based on column values if I don't know ... key value into the filename? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - How to load & call a VBScript function from within C++?

We have customers asking for VBScript functions to be called when particular actions occur within our product. I' ... ) would be appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - the dreaded "Warning: imagecreatefromjpeg() : '/tmp/filename' is not a valid JPEG file in /phpfile.php on line xxx"

I've been getting this warning when some people upload images to our site : Warning: imagecreatefromjpeg() [ ... problems. any help appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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383 views

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java - Where is the Origin (x,y) of a PDF page?

I am using iText to create my PDF files. I want to position text at some specific place in the document using ... corner? Where is this origin? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scala - Unable to map on HList

I was trying to solve this problem with shapeless. However I am for some reason unable to map on the HList. I ... Why doesn't the mapping work? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I melt a pandas dataframe?

On the pandas tag, I often see users asking questions about melting dataframes in pandas. I am gonna attempt a ... my self-answer below :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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PHP - Replace colour within image

I hope someone can help, I have made a script that masks images... however it is reliant on a colour to ... and replace the colours. Thanks, See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - REQUEST_DENIED with Google Places API browser key or app key?

I'm writing an application in Android that needs the Google Places API. I have made a key through the Google ... possible? Or is this normal? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Removing duplicate elements from a List

I have developed an array list. ArrayList<String> list = new ArrayList<String>(); list.add("1"); list.add ... to remove duplicates from a list? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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exact representation of floating points in c

void main() { float a = 0.7; if (a < 0.7) printf("c"); else printf("c++"); } In the above question ... .699997, but 0.8 as 0.8000011. Why so? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Create thumbnail from video without ffmpeg in PHP

I need to create thumbnail without ffmpeg because I have to deploy site on shared hosting and ffmpeg is not ... someone suggest some solution? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - QScrollArea with dynamically changing contents

I have a QScrollArea with some buttons in it, like shown on the picture. The idea of the ... 0B-mc4aKkzWlxQzlPMEVuNVNKQjg/edit?usp=sharing See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to convert array of png image data into video file

I am getting frames from canvas through canvas.getDataURL(). However, now I have an array of png images, but I ... canvas.toDataURL())}, 1000); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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JavaScript: How to iterate object with two the same keys (and get two values)

var obj = { key: value1, key: value2} I would like to iterate it and get pars of (key and value1) and ( ... so obj[i] always take last key See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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opencv - grab frame NTSCtoUSB dongle, opencv2, python wrapper

Context: I have been playing around with python's wrapper for opencv2. I wanted to play with a few ideas ... are most welcome! Thanks Cheers See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Saving HABTM with extra fields?

I am trying to save an order, and the products in the order. The order is being saved, but the products are ... /index.php, line 83 Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How does transforming points with a transformMatrix work in fabricJS?

I'm trying to place points (made via fabric.Circle) on the corners of a fabric.Polygon. The polygon may be moved ... 600" height="400"></canvas> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Passing conditional parameter in Inno Setup

I am new to Inno Setup and I have already read the documentation. Now I know that Inno Setup can accept ... and do everything via code. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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655 views

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javascript - How to start an animated SVG on entering viewport?

I need some help from you guys. I can't find a good solution to my problem. I got sections in my ... the section with the animated SVGs. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Use JSch sudo example and Channel.setPty for running sudo command on remote host

I have used JSch Sudo example under following link: http://www.jcraft.com/jsch/examples/Sudo.java.html And ... sudo command on remote host. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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preincrement / postincrement in java

Can someome help me to understand why: int i=1; int j=1; int k=1; int l=1; System.out.println(i++ + i++); System. ... ++l + l++); give: 3 5 4 4 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - What's the proper implementation for hardware emulation?

I'm going to programme a Game Boy emulator (Z80 is the CPU in case somebody is not familiar with it), ... opcode map or something like that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - ItemPropertyChanged not working on observableCollection.Why?

I have searched high and low for a solution but I dont seem to get to the bottom of it. Like many posts ... .Columns> </DataGrid> </Grid> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - The network adapter could not establish the connection - Oracle 11g

I wrote a servlet program and I want it to connect to my Oracle database but its giving me an error. I ... be appreciated. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Get orders total purchases amount for the day in Woocommerce

For Woocommerce, I wrote code below, trying to get orders total purchases amount for today: function ... amount for the day? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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763 views

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android - No Activity found to handle Intent

i am attempting to launch an intent to open a link to the android market. android manifest portion looks ... .NativeStart.main(Native Method) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Can json.loads ignore trailing commas?

As mentioned in this StackOverflow question, you are not allowed to have any trailing commas in json. For ... .loads ignore trailing commas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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700 views

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git log - Difference between git-log and git-whatchanged?

Given this answer to another question, and given that the man pages for both git-log and git-whatchanged say ... bother having both of them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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