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c# - SendMessage/SC_MONITORPOWER won't turn monitor ON when running Windows 8

I turn my monitors on and off by using the following code: [DllImport("user32.dll")] static extern IntPtr ... this work on Windows 8? See Question&Answers more detail:os...

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

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git - Can I fetch a stash from a remote repo into a local branch?

A colleague has a stash in their repository which I can access (via the filesystem), and I'd like to pull ... I can fetch the remote stash? 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# - Check if record in a table exist in a database through ExecuteNonQuery

in my program i need to check if a record in the database already exists in the table using the if statement. using ... to do it so. 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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How to access the 64-bit registry from a 32-bit Powershell instance?

If you launch a 32-bit instance of Powershell (%SystemRoot%syswow64WindowsPowerShellv1.0powershell.exe), then the ... possibilities at all. See Question&Answers more detail:os...

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

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r - ggplot2: Font Style in label expression

Changing font faces and sizes works well without expression in the labels. Here is the code where I've ... would be highly appreciated. 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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java - Why does new BigDecimal("0.0").stripTrailingZeros() have a scale of 1?

Running this simple program: public static void main(final String... args) { System.out.println(BigDecimal.ZERO.scale()) ... ().scale() is 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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python - Generate random number in range excluding some numbers

Is there a simple way in Python to generate a random number in a range excluding some subset of numbers in that ... don't want to be returned? See Question&Answers more detail:os...

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

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oracle - ORA-12705: Cannot access NLS data files or invalid environment

The other day I got this annoying oracle error: ORA-12705: Cannot access NLS data files or invalid environment ... to access NLS data files See Question&Answers more detail:os...

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

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classpath - What exactly is a class path in java?

I wrote a program that works on my laptop perfectly, but I really want it to work on a server that I have. Using ... to be able to run my jar? See Question&Answers more detail:os...

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

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Swagger: wildcard path parameters

I have an API which allows any arbitrary path to be passed in, for example all of these: /api/tags /api/tags ... to describe my API in Swagger? 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 can the built-in range function take a single argument or three?

How can the range function take either: a single argument, range(stop), or range(start, stop), or range( ... to write range in pure CPython. 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 - HashSet contains duplicate entries

A HashSet only stores values ones, when the equals method says that they're the same. Thats what I thought. But ... .. shouldn the size be 2? 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 difference between type(myVar) and (type)myVar?

I'm going through the full tutorial at cplusplus.com, coding and compiling each example manually. Regularly, I ... way rather than the other? See Question&Answers more detail:os...

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

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What does the "undefined reference to varName" in C mean?

I have 2 files: a.c and b.c In a.c I am sending a signal to a function located in b.c signal(SIGUSR1, ... sys/wait.h> How do I fix this? See Question&Answers more detail:os...

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

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r - Consistent color scale and legend between plots when not all levels of a grouping variable are present in the data

I have data which is being sequentially added to a data.frame in R. I am creating plots every so often showing ... a variable which isn't used. See Question&Answers more detail:os...

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

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postgresql - python adds "E" to string

This string: "CREATE USER %s PASSWORD %s", (user, pw) always gets expanded to: CREATE USER E'someuser' PASSWORD E' ... (user, pw)) conn.commit() 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 can I prevent BufferManager / PooledBufferManager in my WCF client app from wasting memory?

Analyzing a WCF client application (that I did not write and still do not know too much about) that talks to a ... that's not the issue 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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c# - Entity framework: StoreGeneratedPattern="Computed" property

I have a DateTime property. I need this property's default value to be DateTime.Now. And then I found out that ... But my changes are not saved. 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 - How to remove tab from TabHost

In a TabHost widget, I can create a new tab with its content (Intent) using TabHost.addTab(TabHost. ... something like removeTab(int index) See Question&Answers more detail:os...

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

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macos - "git pull" broken

I recently upgraded my MacBook Pro to Snow Leopard and "git pull" returns: rakudo $ git pull git: 'pull' is ... here. Hopefully you can :) 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++ - cmake include header into every source file

I actually have a simple question, but couldn't find an answer. Maybe you can point me to a duplicate. So, ... to put #include foo.h? 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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operating system - Is it possible to set an environment variable from Python permanently?

Using os module I can get the values of the environment variables. For example: os.environ['HOME'] However, I ... way to do it from Python? 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 - Overlapping matches in R

I have searched and was able to find this forum discussion for achieving the effect of overlapping matches. I ... workaround than I have found. See Question&Answers more detail:os...

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

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assembly - How to produce a minimal BIOS hello world boot sector with GCC that works from a USB stick on real hardware?

I have managed to produce a minimal boot sector that works with QEMU 2.0.0 Ubuntu 14.04 ... /cirosantilli/d47d35bacc9be588009f#file-lenovo-t400 See Question&Answers more detail:os...

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

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995 views

1 answer

c# - The content type text/html; charset=UTF-8 of the response message does not match the content type of the binding (text/xml; charset=utf-8)

I created WCF service and testing WCF client using stand alone application. I was able to view this service using ... be wrong? 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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688 views

1 answer

c# - Serializing multiple DateTime properties in the same class using different formats for each one

I have a class with two DateTime properties. I need to serialize each of the properties with a different ... Maybe there is some attribute? See Question&Answers more detail:os...

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

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528 views

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ios - Firebase limit on the number of observers/listeners

In Firebase, we can add an observer in iOS using something like observeEventType:withBlock:. Is there a limit on ... attached from one client ? See Question&Answers more detail:os...

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

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882 views

1 answer

TypeScript class implements class with private functions

I was exploring the possibility of having a class implementing a class in TypeScript. Hence, I wrote the following ... works like this. 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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