Recent questions

0 votes

107 views

1 answer

java - How do you implement a re-try-catch?

Try-catch is meant to help in the exception handling. This means somehow that it will help our system to be ... m asking for is not directly supported by Java. Question&Answers:os...

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

0 votes

217 views

1 answer

linux - What does $@ mean in a shell script?

What does a dollar sign followed by an at-sign (@) mean in a shell script? For example: umbrella_corp_options $@ Question&Answers:os...

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

0 votes

196 views

1 answer

html - html5 - canvas element - Multiple layers

Without any extension library, is it possible to have multiple layers in the same canvas element? So if I do a ... it will not erase the bottom one? Thanks. Question&Answers:os...

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

0 votes

699 views

1 answer

ios7 - How to hide iOS status bar

In my iOS video app status bar is hidden in some view controllers. I have done this using following code. [ ... status bar again in the parent view controller. Question&Answers:os...

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

0 votes

811 views

1 answer

python - How can I make a scatter plot colored by density in matplotlib?

I'd like to make a scatter plot where each point is colored by the spatial density of nearby ... accomplish something similar in python using matplotlib? Question&Answers:os...

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

0 votes

396 views

1 answer

Add text to Existing PDF using Python

I need to add some extra text to an existing PDF using Python, what is the best way to go about this and ... edit an existing PDF, are there any other options? Question&Answers:os...

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

0 votes

69 views

1 answer

How do I get the path of the Python script I am running in?

This question already has answers here: Question&Answers:os...

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

0 votes

310 views

1 answer

python - How do I convert this list of dictionaries to a csv file?

I have a list of dictionaries that looks something like this: toCSV = [{'name':'bob','age':25,'weight':200},{ ... this: name,age,weight bob,25,200 jim,31,180 Question&Answers:os...

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

0 votes

315 views

1 answer

asp.net mvc - Date only from TextBoxFor()

I'm having trouble displaying the only date part of a DateTime into a textbox using TextBoxFor<,>(expression, htmlAttributes ... , without the "00:00:00" part. Question&Answers:os...

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

0 votes

599 views

1 answer

typescript - How to suppress "error TS2533: Object is possibly 'null' or 'undefined'"?

I have a type: type tSelectProtected = { handleSelector?: string, data?: tSelectDataItem[], wrapperEle?: ... be handled without disabling TS compiler checks? Question&Answers:os...

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

0 votes

237 views

1 answer

How can I resize an image dynamically with CSS as the browser width/height changes?

I wonder how I could make an image resize along with the browser window, here is what I have done so far (or ... live with that, too, but CSS is preferable.) Question&Answers:os...

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

0 votes

1.1k views

1 answer

url - Is there a way to change the browser's address bar without refreshing the page?

I'm developing a web app. In it I have a section called categories that every time a user clicks one of the ... of JavaScript API I can use to achieve this? Question&Answers:os...

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

0 votes

1.1k views

1 answer

floating point - When should I use the "strictfp" keyword in java?

I've looked up what this does, but does anyone actually have an example of when you would use the strictfp ... putting it on all my floating point operations? Question&Answers:os...

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

0 votes

291 views

1 answer

python - how to import csv data into django models

I have some CSV data and I want to import into django models using the example CSV data: 1;"02-01-101101" ... direction A, color dark green" product.price = 100 Question&Answers:os...

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

0 votes

283 views

1 answer

jquery - Count characters in textarea

I want to count characters in a textarea, so I just made: <textarea id="field" onkeyup="countChar(this)"></ ... , that was a newbie handwriting, need a help. Question&Answers:os...

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

0 votes

261 views

1 answer

distutils - Including non-Python files with setup.py

How do I make setup.py include a file that isn't part of the code? (Specifically, it's a license file, ... regardless of operating system. How do I do that? Question&Answers:os...

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

0 votes

133 views

1 answer

How do I get the logfile from an Android device?

I would like to pull the log file from a device to my PC. How can I do that? Question&Answers:os...

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

0 votes

404 views

1 answer

javascript - Animate element to auto height with jQuery

I want to animate a <div> from 200px to auto height. I can't seem to make it work though. Does anyone know how? ... .animate({ height: "auto" }, 1000 ); }); Question&Answers:os...

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

0 votes

283 views

1 answer

c++ - Deleting elements from std::set while iterating

I need to go through a set and remove elements that meet a predefined criteria. This is the test code I ... making the code less error-prone and more readable. Question&Answers:os...

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

0 votes

175 views

1 answer

c++ - Differences between unique_ptr and shared_ptr

This question already has answers here: Question&Answers:os...

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

0 votes

243 views

1 answer

r - Scatterplot with marginal histograms in ggplot2

Is there a way of creating scatterplots with marginal histograms just like in the sample below in ggplot2? In ... Is there a way of creating these graphs? Question&Answers:os...

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

0 votes

593 views

1 answer

Convert sqlalchemy row object to python dict

Is there a simple way to iterate over column name and value pairs? My version of sqlalchemy is 0.5.6 Here ... dict(u) TypeError: 'User' object is not iterable Question&Answers:os...

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

0 votes

788 views

1 answer

c# - How to convert a String to its equivalent LINQ Expression Tree?

This is a simplified version of the original problem. I have a class called Person: public class ... System.Linq.Dynamic nuget package, documentation here Question&Answers:os...

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

0 votes

652 views

1 answer

How to dismiss a Twitter Bootstrap popover by clicking outside?

Can we get popovers to be dismissable in the same way as modals, ie. make them close when user clicks somewhere ... and that would be no popover anymore. :( Question&Answers:os...

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

0 votes

249 views

1 answer

ios - How do I open phone settings when a button is clicked?

I am trying to implement a feature in an App that shows an alert when the internet connection is not ... programmatically. I am using Swift and Xcode. Question&Answers:os...

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

0 votes

242 views

1 answer

scala - Cleaner way to update nested structures

Say I have got following two case classes: case class Address(street: String, city: String, state: String, ... s update-in) to update such nested structures? Question&Answers:os...

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

0 votes

88 views

1 answer

ios - Creating a UICollectionView programmatically

I'm looking for a guide or tutorial that will show me how to set up a simple UICollectionView using only ... can find is tutorials that feature the Storyboard. Question&Answers:os...

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

0 votes

298 views

1 answer

datetime - Convert string date to timestamp in Python

How to convert a string in the format "%d/%m/%Y" to timestamp? "01/12/2011" -> 1322697600 Question&Answers:os...

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

Categories

Just Browsing Browsing

Most popular tags