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android - How to stack Firebase Cloud Messaging notifications when the application is not running?

I am using Firebase Cloud Messaging to send push notifications from my server to my android application. When the application ... .build()); } } 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# - Merge cells in datagridview

Is there a way to merge cells in datagridview of .net in winforms .I would like to merge two or more cells of a row . 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# - Serial Port Polling and Data handling

I am trying to read from several serial ports from sensors through microcontrollers. Each serial port will receive more than ... ()); } } } See Question&Answers more detail:os...

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

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installation - How to include prerequisites with msi/Setup.exe in WIX

I'm trying to combine my package in a single setup EXE file and upload it to the Internet. I have created a ... installing? How do 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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dart - Flutter: Retrieving top-level state from child returns null

I'm trying to obtain the top-level state of my app using a .of()-method, similar to the Scaffold.of() function. ... this? And how can I fix 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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c# - Can you keep a StreamReader from disposing the underlying stream?

Is there a way to do this: this.logFile = File.Open("what_r_u_doing.log", FileMode.OpenOrCreate, FileAccess. ... Dispose, killing the 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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c# - What does Collection.Contains() use to check for existing objects?

I have a strongly typed list of custom objects, MyObject, which has a property Id, along with some other ... something first, is that right? 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 - Decimal separator in NumberFormat

Given a locale java.text.NumberFormat: NumberFormat numberFormat = NumberFormat.getInstance(); How can I get ... DecimalFormat(format)? 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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ios - Why Is UITextField.text An Optional?

It starts out as an empty string instead of nil. Even when it is explicitly set to nil it remains an empty string. ... // prints "Optional("")" See Question&Answers more detail:os...

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

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ios - Xcode 11: Canvas does not show up

I′m trying to get the new Canvas feature from Xcode 11 running, but the Canvas won′t show up. What am I doing ... else does need to be done? See Question&Answers more detail:os...

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

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rxjs - How to get an observable to return data immediately and every 5 seconds thereafter

I want to create an observable that returns data from a webapi. I'd like it to return the data immediately, and poll ... return result; }); } } 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 - pgAdmin III Why query results are shortened?

I've recently installed pgAdmin III 1.18.1 and noticed a strange thing: Long json query results are ... help me disable this shortening? 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 - Multipart File Upload on Google Appengine using jersey-1.7

I wrote an application on Google Appengine with Jersey to handle simple file uploading. This works fine when ... creating the temporary 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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prolog - reversible "binary to number" predicate

What is the best way to convert binary bits (it might be a list of 0/1, for example) into numbers in ... is there better solution ? Best regards 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 Regex Sub - Use Match as Dict Key in Substitution

I'm translating a program from Perl to Python (3.3). I'm fairly new with Python. In Perl, I can do ... Is that possible? Thanks for the help. 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 - lambda arguments unpack error

In Python 2 this code is OK: f = lambda (m, k): m + k m = [1,2,3,4] k = [5,6,7,8] print( ... can I unpack values in the right way in Python 3? See Question&Answers more detail:os...

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

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php - How can I block direct access to my JavaScript files?

I use Minify to minify and cache all my script requests. I only want my users to be able to access the ... An htaccess file handles the rewrite. See Question&Answers more detail:os...

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

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905 views

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How to convert array of bytes [UInt8] into hexa string in Swift

I found how to convert hexa string into bytes [UInt8] but I have not found how to convert bytes [UInt8] into an hexa string ... , 4, 3, 9, 8, 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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drop down menu - PHP get dropdown value and text

<select id="animal" name="animal"> <option value="0">--Select Animal--</option> <option value="1">Cat</ ... 1 and Cat Please help. 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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javascript - Accessing elements in the shadow DOM

Is it possible to find elements inside the Shadow DOM with python-selenium? Example use case: I have this input with ... ": <input type="date"> 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 - Near call/jump tables don't always work in a bootloader

General Problem I've been developing a simple bootloader and have stumbled on a problem on some environments where ... properly in a bootloader. See Question&Answers more detail:os...

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

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286 views

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javascript - How to programmatically add JS and CSS resources to <h:head>?

I need to add programmatically JS and CSS resources to <h:head> of JSF page. It isn't clear how to achieve ... a hint or a kickoff example? See Question&Answers more detail:os...

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

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Rounding numbers in R to specified number of digits

I have a problem in rounding numbers in R. I have the following data, and I want to round them to 8 ... rational numbers with 8 decimal places. See Question&Answers more detail:os...

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

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320 views

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javascript - Prototype AJAX request being sent as OPTIONS rather than GET; results in 501 error

I'm attempting to access a web service with Prototype/AJAX and am running into an error I can't figure out: ... allowed in the request? 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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ios - Getting a normal looking unicode down arrow in a UILabel like this ?

I would like to get a down arrow to display inside a UILabel. Specifically ? Unicode: U+2B07. This is show ... gloss. Has anyone seen 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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450 views

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inheritance - What is the idiomatic way in Go to create a complex hierarchy of structs?

I am writing an interpreter in Go and I am looking for the idiomatic way to store the AST. I read the Go ... isn't it less straight forward? See Question&Answers more detail:os...

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

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331 views

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HttpWebRequest and forms authentication in C#

I am a systems guy and currently doing a part time web development project so am pretty new to it. I am ... way to access a authenticated page. See Question&Answers more detail:os...

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

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606 views

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c# - Getting HWND off of CoreWindow object in UWP

This short MSDN documentation says CoreWindow has ICoreWindowInterop that obtains the handle HWND to the CoreWindow. But I ... (v=vs.85).aspx See Question&Answers more detail:os...

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

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