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c# - What strategies and tools are useful for finding memory leaks in .NET?

I wrote C++ for 10 years. I encountered memory problems, but they could be fixed with a reasonable amount of ... are useful for tackling memory leaks in .NET? Question&Answers:os...

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

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How to tell PowerShell to wait for each command to end before starting the next?

I have a PowerShell 1.0 script to just open a bunch of applications. The first is a virtual machine ... superdooper &"C:ApplicationsNetBeans 6.5in etbeans.exe" Question&Answers:os...

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

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c++ - How to use stringstream to separate comma separated strings

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

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python - 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 ... NULL bytes, not str What am I doing wrong? Question&Answers:os...

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

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python - Reverse Y-Axis in PyPlot

I have a scatter plot graph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes ... (x) y_arr.append(y) plt.scatter(x_arr,y_arr) Question&Answers:os...

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

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node.js - socket.io and session?

I'm using express framework. I want to reach session data from socket.io. I tried express dynamicHelpers with client.listener.server ... (){ // or here }); }); Question&Answers:os...

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

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utility - Implement touch using Python?

touch is a Unix utility that sets the modification and access times of files to the current time of day. If the ... not that great, but point to os.utime.) Question&Answers:os...

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

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How can you set class attributes from variable arguments (kwargs) in python

Suppose I have a class with a constructor (or other function) that takes a variable number of arguments and then sets them as ... " + key + "=" + kwargs[param]) Question&Answers:os...

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

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logging - How to log cron jobs?

I want to know how I can see exactly what the cron jobs are doing on each execution. Where are the log files ... job runs but I haven't received anything yet. Question&Answers:os...

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

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r - How to quickly form groups (quartiles, deciles, etc) by ordering column(s) in a data frame

I see a lot of questions and answers re order and sort. Is there anything that sorts vectors or data ... better (cleaner/faster/one-line) approach? Thanks! Question&Answers:os...

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

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r - Read all files in a folder and apply a function to each data frame

I am doing a relatively simple piece of analysis which I have put into a function, on all the files in a particular ... (i.e. Df1.summary). Many thanks, Katie Question&Answers:os...

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

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C# get thumbnail from file via windows api

Windows explorer has the ability to show thumbnails of files. These thumbnails are provided by core and third-party ... can be simplified and cleaned up a bit. Question&Answers:os...

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

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android - Grid of images inside ScrollView

I'm trying to create a screen with both text and images. I want the images to be laid out like a ... it looks like with scrollbars disabled in the GridView. Question&Answers:os...

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

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templates - How to easily map c++ enums to strings

I have a bunch of enum types in some library header files that I'm using, and I want to have a way of ... << getStringValue(e); std::cout<< getStringValue(f); Question&Answers:os...

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

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variables - What is the difference between var and val in Kotlin?

What is the difference between var and val in Kotlin? I have gone through this link: KotlinLang: Properties ... in the documentation and not just in general. Question&Answers:os...

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

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AngularJS vs Angular

Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...

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

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android - RecyclerView horizontal scroll snap in center

I'm trying to make a carousel-like view here using RecyclerView, I want the item to snap in the middle of the ... other way around, what am I missing here ? Question&Answers:os...

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

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116 views

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How to switch position of two items in a Python list?

I haven't been able to find a good solution for this problem on the net (probably because switch, position, ... to come up with something a bit more elegant? Question&Answers:os...

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

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356 views

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javascript - Performance of MutationObserver to detect nodes in entire DOM

I'm interested in using MutationObserver to detect if a certain HTML element is added anywhere in an HTML page. For ... targeted container... but I'm not sure. Question&Answers:os...

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

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Look up all descendants of a class in Ruby

I can easily ascend the class hierarchy in Ruby: String.ancestors # [String, Enumerable, Comparable, Object, ... without having to modify the controller.) Question&Answers:os...

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

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167 views

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Limit results in jQuery UI Autocomplete

I am using jQuery UI Autocomplete. $("#task").autocomplete({ max:10, minLength:3, source: myarray }); The ... get more than 10 results. Am I missing something? Question&Answers:os...

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

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116 views

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javascript - Set custom HTML5 required field validation message

Required field custom validation I have one form with many input fields. I have put html5 validations <input type=" ... way to do this? It would be appreciated. Question&Answers:os...

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

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80 views

1 answer

c# - How do I check for a network connection?

What is the best way to determine if there is a network connection available? Question&Answers:os...

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

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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java. Is this possible?

I have a Date object in Java stored as Java's Date type. I also have a Gregorian Calendar created date. The ... Java and am getting a bit puzzled by this. Question&Answers:os...

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

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php - If isset $_POST

I have a form on one page that submits to another page. There, it checks if the input mail is filled. If so then do ... } else { echo "N0, mail is not set"; } Question&Answers:os...

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

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332 views

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python - Custom Filter in Django Admin on Django 1.3 or below

How can I add a custom filter to django admin (the filters that appear on the right side of a model dashboard)? I ... ('is_live') # how can i make this work?? Question&Answers:os...

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

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294 views

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CSS 3 slide-in from left transition

Is there a cross browser solution to produce a slide-in transition with CSS only, no javascript? Below is an example of the ... "http://.../img.jpg /> </div> Question&Answers:os...

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

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212 views

1 answer

How can I rename a field for all documents in MongoDB?

Assuming I have a collection in MongoDB with 5000 records, each containing something similar to: { "occupation":" ... really clear on how to specify a subfield. Question&Answers:os...

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

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