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c# - Problem parsing currency text to decimal type

I am trying to parse a string like "$45.59" into a decimal. For some reason I am getting exception that the input ... .00", MyNFI); // throws exception here... Question&Answers:os...

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

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c# - Why is ushort + ushort equal to int?

Previously today I was trying to add two ushorts and I noticed that I had to cast the result back to ... spec allow for operations directly on ushort values? Question&Answers:os...

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

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html - Changing Underline color

I have this code here: echo " $username"; Firstly, as you can ... leave the text ($username) red but the underline black? Question&Answers:os...

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

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rsa - C++ handling very large integers

I am using the RSA Algorithm for encryption/decryption, and in order to decrypt the files you have to deal ... above in order to resolve the linking errors? Question&Answers:os...

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

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java - Test for floating point equality. (FE_FLOATING_POINT_EQUALITY)

I am using a findbugs in an ANT script and I can't figure out how to fix two of my errors. I have read the ... . I don't get it though. Can anyone please help? Question&Answers:os...

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

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c++ - using namespace std; in a header file

So, I have the following in a specification file #include <string> #include <fstream> using namespace ... reasoning and practical implementation of namespaces. Question&Answers:os...

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

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regex - Regular expressions for a range of unicode points PHP

I'm trying to strip all characters from a string except: Alphanumeric characters Dollar sign ($) Underscore ( ... better way than listing out 65000+ characters. Question&Answers:os...

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

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java - Coding to interfaces?

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

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dom - What is the difference between Document and document in JavaScript?

I am currently building an API for JavaScript, predominantly using Visual Studio 2010 and JetBrains ... should be overwriting their native implementation. Question&Answers:os...

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

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Strange Java null behavior in Method Overloading

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

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java - Change text field data color (Foreground color) based on condition in JasperReports

I'm new to JasperReports. I'm designing a report using iReport. I have three values x,y,z. If z ... to develop desktop app. and iReport to design JasperReport. Question&Answers:os...

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

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php - Fatal error: Call to undefined function mb_detect_encoding()

I receive this error after trying to set up LAMP by following this tutorial, and I find myself receiving the ... MySQL and mb_string are enabled as shown below: Question&Answers:os...

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

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c++ - Getting the high part of 64 bit integer multiplication

In C++, say that: uint64_t i; uint64_t j; then i * j will yield an uint64_t that has as value the lower part ... make something like: uint64_t k = mulhi(i, j); Question&Answers:os...

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

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macos - Python: source code string cannot contain null bytes

I'm using Max OS X 10.10.3, and I finally got the graphics.py to show in Python 3, before it was ... used the Zelle book and his graphics.py module? Thanks. Question&Answers:os...

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

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java - Getting the name of a method parameter

In Java 6, imagine I have the following method signature: public void makeSandwich(Bread slice1, Bread slice2, List<Filling> ... types. Is there a way to do so? Question&Answers:os...

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

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windows - C - create file in memory

I'm writing little program in plain C here. What I need is to create a file directly inside memory (not written ... (). Is there a similar solution for win32? Question&Answers:os...

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

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c# - How can I post a list of items in MVC

I have a simple form with a list of items in it and I'd like to post them to the controller but funny ... list. Any help would be greatly appreciated! cheers. Question&Answers:os...

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

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412 views

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math - Python: sort function breaks in the presence of nan

sorted([2, float('nan'), 1]) returns [2, nan, 1] (At least on Activestate Python 3.1 implementation.) ... least it works (barring any bugs that I introduced). Question&Answers:os...

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

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python - Why does my Pandas DataFrame not display new order using `sort_values`?

New to Pandas, so maybe I'm missing a big idea? I have a Pandas DataFrame of register transactions ... Pandas DataFrame not display new order using sort_values? Question&Answers:os...

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

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smtp - change sender address when sending mail through gmail in c#

I have used the following code to send mail from my web application using a gmail account. My question ... the from address with the original credential. Question&Answers:os...

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

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389 views

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python - How do I convert a password into asterisks while it is being entered?

Is there a way in Python to convert characters as they are being entered by the user to asterisks, like it can be seen on ... as ************* when typed in. Question&Answers:os...

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

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205 views

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c# - Cancelling a pending task synchronously on the UI thread

Sometimes, once I have requested the cancellation of a pending task with CancellationTokenSource.Cancel, I need to ... = 0x0004; public const uint WAIT_TIMEOUT = 0...

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

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510 views

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c++ - Store functions with different signatures in a map

I am trying to create a map with string as key and a generic method as value in C++, but I do not know if ... Is that possible? If yes, how can I realise this? Question&Answers:os...

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

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304 views

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java - Print out elements from an array with a comma between elements except the last word

I am printing out elements from an array list and want to have a comma between each word except the last word ... how do I solve this? All answers appreciated! Question&Answers:os...

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

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javascript - Why "this" is undefined inside a fat arrow function definition?

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

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248 views

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google sheets - Script to summarise data not updating

I have a Google spreadsheet of timesheet data; it has a sheet for each month, each sheet is a lot of six ... but that's not useful. 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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597 views

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compilation - How to link multiple implementation files in C

I have a number of .c files, i.e. the implementation files say main.c A.c B.c Where functions from any ... and run the multiple files in the terminal. Thanks. Question&Answers:os...

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

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rust - Why does a generic method inside a trait require trait object to be sized?

I have this code (playground): use std::sync::Arc; pub trait Messenger : Sync + Send { fn send_embed<F: FnOnce( ... generic method in a trait. Is there a way? Question&Answers:os...

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

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