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unicode - grepping binary files and UTF16

Standard grep/pcregrep etc. can conveniently be used with binary files for ASCII or UTF8 data - is there a simple ... use them on command line. See Question&Answers more detail:os...

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

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dart - Flutter: Ignore touch events on a Widget

I want to have a blurred image on top of my other widgets, however, I cannot interact with the widgets below it when I do that. See Question&Answers more detail:os...

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

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github - Which is the smarter git protocol, ssh or git(over ssh) or https protocol?

Which is efficient? SSH:// or Git:// (File compression) I understand in Git, git protocol is smart ... Appreciate your answers in advance. See Question&Answers more detail:os...

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

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Foreign key relationship with composite primary keys in SQL Server 2005

I have two tables Table1( FileID, BundledFileID, Domain) and Table2( FileID, FileType, FileName) In Table2 FileID ... it possible to do 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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haskell - No instance for (Fractional Int) arising from a use of `/'

I am new to Haskell, and I am struggling with debugging my code. Fixing an error leads to other errors... Here ... time... Thank you very much. See Question&Answers more detail:os...

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

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475 views

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mysql - Case Expression vs Case Statement

What is the difference between a Case Expression and a Case Statement in MySQL? When can they be used, and what ... they seem to be identical? 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 - Get Correct keyCode for keypad(numpad) keys

I'm getting codes [96..105] by calling String.fromCharCode(event.keyCode) when pressing keys [0..9] ... corrected? My implementation in JSFiddle See Question&Answers more detail:os...

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

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Portable UNUSED parameter macro used on function signature for C and C++

I'm interested in creating a macro for eliminating the unused variable warning. This question describes a way ... solution is not acceptable. See Question&Answers more detail:os...

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

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objective c - Gap above NSMenuItem custom view

I am using the setView: method on an NSMenuItem to set a custom view. In this custom view there is an ... statusMenu so surely it should 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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c# - How can I display a loading control while a process is waiting for be finished?

I decided to use this third-party component to make a simple loading control in my windows form. http:// ... static image without the animation. See Question&Answers more detail:os...

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

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488 views

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c# - Spawn a new thread to open a new window and close it from a different thread

Right now I have C# code to spawn a new window in a different thread, this works, but as soon as the ... window from the first window thread. 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 send file from Android device to other device through Bluetooth by code

I want to develop application that sends image/txt or any file from one android device to another none android ... or source code for that? See Question&Answers more detail:os...

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

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architecture - dma vs interrupt-driven i/o

I'm a little unclear on differences between DMA and interrupt I/O. (Currently reading Operating Systems Concepts, 7th ... that from the CPU too? See Question&Answers more detail:os...

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

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353 views

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c - MPI partition matrix into blocks

I want to partition matrix into blocks (not stripes) and then distribute this blocks using MPI_Scatter. I came up ... (); return 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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191 views

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php - How to send a data to a web server from Android

I want to send data to my php page using android. How can I do it? See Question&Answers more detail:os...

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

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linq - C#: How to convert a list of objects to a list of a single property of that object?

Say I have: IList<Person> people = new List<Person>(); And the person object has properties like FirstName, ... IList<string> firstNames = ??? See Question&Answers more detail:os...

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

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789 views

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node.js - Package cairo was not found in the pkg-config search path. Node j.s install canvas issue

I am having a problem installing installing the canvas module in node..It seems to be something ... the pkg_config_path environment variable? See Question&Answers more detail:os...

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

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628 views

1 answer

how to add a day to a date using jquery datepicker

I have 2 textboxes on my site for pickup date and drop off date both using the jquery date picker. I am ... ? Thanks for your help, Rich See Question&Answers more detail:os...

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

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375 views

1 answer

iphone - Add a multiple buttons to a view programmatically, call the same method, determine which button it was

I want to programmatically add multiple UIButtons to a view - the number of buttons is unknown at compile time ... to identify the button. See Question&Answers more detail:os...

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

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605 views

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xml - How do you output the current element path in XSLT?

In XSLT, is there a way to determine where you are in an XML document when processing an element? Example: ... think XSLT/XPath should know. See Question&Answers more detail:os...

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

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252 views

1 answer

javascript - remove item from array using its name / value

I have the following array var countries = {}; countries.results = [ {id:'AF',name:'Afghanistan'}, {id:'AL' ... using its name or id ? 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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1.0k views

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c - How to combine two 32-bit integers into one 64-bit integer?

I have a count register, which is made up of two 32-bit unsigned integers, one for the higher 32 bits ... it display 4294967296 instead of 10? See Question&Answers more detail:os...

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

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351 views

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coordinates - How to draw lines in Java

I'm wondering if there's a funciton in Java that can draw a line from the coordinates (x1, x2) to ... a coordinate system with many coordinates. See Question&Answers more detail:os...

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

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441 views

1 answer

iphone - iOS 5.0.1 : How to verify that the folder is marked as "Do not back up" for iCloud?

I want to set Do not back up to my folder which is in Document Directory. I found code for "Do not back ... i verify that the folder is marked. See Question&Answers more detail:os...

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

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408 views

1 answer

python - How to do multiprocessing in FastAPI

While serving a FastAPI request, I have a CPU-bound task to do on every element of a list. I'd like to do ... I/O-bound tasks like web requests. See Question&Answers more detail:os...

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

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328 views

1 answer

iphone - Best ways to play simple sound effect in iOS

I'm finding a number of conflicting data about playing sounds in iOS. What is a recommended way to play just ... the user touches the screen? See Question&Answers more detail:os...

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

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273 views

1 answer

Camera in Android, how to get best size, preview size, picture size, view size, image distorted

having image distorted when mixing a view from OpenGL and the Android camera to get an image of both when using the ... 1280 x 768 1280 x 960 See Question&Answers more detail:os...

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

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426 views

1 answer

compiler warnings - Will a "variableName;" C++ statement be a no-op at all times?

In C++ sometimes a variable will be defined, but not used. Here's an example - a function for use ... times independent of what CSomeType is? See Question&Answers more detail:os...

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

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