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python - Efficient way to take the minimum/maximum n values and indices from a matrix using NumPy

What's an efficient way, given a NumPy matrix (2D array), to return the minimum/maximum n values (along with ... and I figure that's silly. 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 - GetWindowRect too small on Windows 7

The actual problem I'm trying to solve is, I want to automatically find out the size of the margins around windows. ... How may I do the same? 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 - Why is a UDF so much slower than a subquery?

I have a case where I need to translate (lookup) several values from the same table. The first way ... issue to readability and maintainability. See Question&Answers more detail:os...

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

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Text file in VBA: Open/Find Replace/SaveAs/Close File

Here is pseudocode for what I am hoping to do: Open text File Find "XXXXX" and Replace with "YYYY" Save text File ... "save as" to a new file. See Question&Answers more detail:os...

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

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compare two images in android

In my application I want to capture two images using camera and then I want to compare those images. So, how can ... pixel to pixel. Thank You. See Question&Answers more detail:os...

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

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Multiple choices menu on batch file?

Hi I want to make a batch file menu, that asks 'Select app you want to install?' for example App1 ... /create-multiple-choice-menu-batchfile/ 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 - Unexpected Exception caught setting 'xxx' on 'class xxx: Error setting expression 'xxx' with value ['x', ]

I'm passing some parameters to an action class implementing ModelDriven<Transporter> through a query-string. <s:form ... What am I doing wrong? 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 Exceptions counter on JVM HotSpot

I am wondering is it possible to log every exception which occurs on JVM level without changing application ... anything similar for HotSpot. See Question&Answers more detail:os...

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

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iphone - How get a datetime column in SQLite with Objective C

How do you get a datetime column in SQLite with Objective C? I have a table with 4 fields: pk, datetime, ... what should I use for datetime? See Question&Answers more detail:os...

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

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user interface - Disable WPF label accelerator key (text underscore is missing)

I am setting the .Content value of a Label to a string that contains underscores; the first underscore is ... the accelerator for Labels? See Question&Answers more detail:os...

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

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Powershell send-mailmessage - email to multiple recipients

I have this powershell script to sending emails with attachments, but when I add multiple recipients, only the ... smtpServer 192.168.170.61 See Question&Answers more detail:os...

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Replace part of a string in Python?

I used regular expressions to get a string from a web page and part of the string may contain something I would ... /small" else: stuff = stuff 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# - Variable declarations following if statements

An issue came up on another forum and I knew how to fix it, but it revealed a feature of the compiler ... is the explanation for this behavior? 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 get updated document back from the findOneAndUpdate method?

I am using MongoDB with node js , i used npm install mongodb I want to update an existing document and return the ... mongodb": "^2.1.4", See Question&Answers more detail:os...

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

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android - IllegalStateException: The application's PagerAdapter changed the adapter's content without calling PagerAdapter#notifyDataSetChanged

I'm using the ViewPager example with ActionBar tabs taken from the Android documentation here. Unfortunately, as ... derived from BaseAdapter. See Question&Answers more detail:os...

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

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xml - where to find xsd.exe in visual studio 2013 on windows 8

I have used the xsd.exe utility in Visual Studio 2003 and 2008 to generate typed datasets from a 3rd party ... and Visual Studio 2013 Ultimate. 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 - How to get the length of a function in bytes?

I want to know the length of C function (written by me) at runtime. Any method to get it? It seems sizeof doesn't work here. See Question&Answers more detail:os...

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

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jquery - HTML Table to JSON

I need to take table rows and convert to JSON. Any ideas? I have this code here but it does not work. function ... "innerHTML"); }).toJSON(); } 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 - Why is `object` an instance of `type` and `type` an instance of `object`?

I am a little bit confused about the object and type classes in Python 3. Maybe someone can clear up my ... >> issubclass(object, type) False 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++ - FAQ: Why does dynamic_cast only work if a class has at least 1 virtual method?

This does not compile in C++: class A { }; class B : public A { }; ... A *a = new B(); B *b = dynamic_cast<B*>(a); See Question&Answers more detail:os...

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

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.net - CLR Strict Security on SQL Server 2017

MSDN on this article says: CLR uses Code Access Security (CAS) in the .NET Framework, which is no longer ... safe, which is very unfortunate. 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 - What is the JSON View class in Jackson and how does it work?

I don't understand what is Jackson's @JsonView(Views.MyClass.class). I know that I can annotate POJO's fields ... needed and how does it 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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windows phone 7 - Deserializing JSON using JSon.NET with dynamic data

I'm trying to deserialize some JSON data into objects for an application. Up until now it's been fine because ... so "dynamic" isn't available! 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# - Add timer to a Windows Forms application

I want to add a timer rather than a countdown which automatically starts when the form loads. Starting time ... this? Language: preferably C#. See Question&Answers more detail:os...

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

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regex - Regular expression to match common SQL syntax?

I was writing some Unit tests last week for a piece of code that generated some SQL statements. I was trying ... live longer than the project. 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# - Write PDF stream to response stream

If I have a pdf file as a Stream, how can I write it to the response output stream? See Question&Answers more detail:os...

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

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gpgpu - How are 2D / 3D CUDA blocks divided into warps?

If I start my kernel with a grid whose blocks have dimensions: dim3 block_dims(16,16); How are the grid ... GPU Compute Capability of 2.0. 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++ - Can someone please explain the "indices trick"?

I noticed the "indices trick" being mentioned in the context of pretty-printing tuples. It sounded interesting, ... packs and variadic tuples? See Question&Answers more detail:os...

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

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