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typescript - How to inject Document in service?

I have an Angular 2 application. For mocking the Document object in tests, I'd like to inject it to the ... how should I reference it in the providers array? Question&Answers:os...

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

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python - Ordinal numbers replacement

I am currently looking for the way to replace words like first, second, third,...with appropriate ... regular expressions manually? Thanks for any advice Question&Answers:os...

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

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c# - Is Task.Run considered bad practice in an ASP .NET MVC Web Application?

Background We are currently developing a web application, which relies on ASP .NET MVC 5, Angular.JS 1.4, Web ... really avoid the creation of an extra thread? Question&Answers:os...

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

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macos - CommonHMAC in Swift

I'm trying to create a HMAC SHA-1 hash of a string in Swift but can't figure out how to interact ... [CC_SHA1_DIGEST_LENGTH] is in Swift I'd be very grateful Question&Answers:os...

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

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python - Creating a dictionary from a CSV file

I am in the process of trying to write a python script that will take input from a CSV file and then ... print(row) csvwriter.writerow(row) test_file.close() Question&Answers:os...

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

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javascript - JS search in object values

I have an array of homogeneous objects like so; [ { "foo" : "bar", "bar" : "sit" }, { "foo" : "lorem ... would I go about doing this? Thanks a lot in advance! Question&Answers:os...

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

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Can I rely on PHP php.ini precision workaround for floating point issue

I've found some workaround for floating point problem in PHP: php.ini setting precision = 14 342349.23 - ... gonna fails or not for substraction and addition Question&Answers:os...

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

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How to resolve "git did not exit cleanly (exit code 128)" error on TortoiseGit?

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

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javascript - Finding all indexes of a specified character within a string

For example, if I had "scissors" in variable and wanted to know the position of all occurrences of ... think looping through the whole is terribly efficient Question&Answers:os...

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

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Square root of BigDecimal in Java

Can we compute the square root of a BigDecimal in Java by using only the Java API and not a custom-made 100-line algorithm? Question&Answers:os...

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

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c++ - Requesting administrator privileges at run time

Is it possible to get a C++ application running in Windows to request administrator privileges from the operating system ... in memory which I want to keep. Question&Answers:os...

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

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c# - Using multiple versions of the same DLL

I've been tasked in creating a new module for an application, and so, I'm adding new DLLs to the project. This ... into one BIN folder... What should I do? Question&Answers:os...

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

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css - Set Webkit Keyframes Values Using Javascript Variable

I have a piece of JS code to generate random numbers and output them as variables to be used here in place ... "20deg"; and forget the random element. Thanks. Question&Answers:os...

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

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javascript - how to make a jquery "$.post" request synchronous

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

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sql server - Get the last inserted row ID (with SQL statement)

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

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javascript - Inspect attached event handlers for any DOM element

Is there any way to view what functions / code are attached to any event for a DOM element? Using Firebug or any other tool. Question&Answers:os...

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

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angular - Angular2 innerHtml binding remove style attribute

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

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javascript - window.print() not working in IE

I am doing something like this in javascript to print a section of my page on click of a link function printDiv ... but not in IE. Could someone please help Question&Answers:os...

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

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javascript - this inside function

My question is: function Foo() { this.foo = "bar"; // <- What is "this" here? } From what I can ... as a function. What can this be in different circumstances? Question&Answers:os...

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

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315 views

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python - Beautiful Soup findAll doesn't find them all

I'm trying to parse a website and get some info with the find_all() method, but it doesn't find them all. This is ... ['href']) It only prints half of them... Question&Answers:os...

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

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184 views

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How to create composite primary key in SQL Server 2008

I want to create tables in SQL Server 2008, but I don't know how to create composite primary key. How can I achieve this? Question&Answers:os...

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

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c# - Entity Framework Refresh context?

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

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python filter list of dictionaries based on key value

I have a list of dictionaries and each dictionary has a key of (let's say) 'type' which can have ... open ended. any assistance would be greatly appreciated. Question&Answers:os...

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

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310 views

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Where to find source code for java.lang native methods?

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

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How do I load a javascript file dynamically?

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

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537 views

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javac - What is the --release flag in the Java 9 compiler?

Java 9's javac has a new flag --release: > javac --help ... --release <release> Compile for a specific VM ... Is it just a shortcut for -source X -target X? Question&Answers:os...

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

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angular - How to use `trackBy` with `ngFor`

I can't really understand what I should return from trackBy. Based on some examples I've seen on the ... still updated despite the name being unchanged. Why? Question&Answers:os...

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

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r - How to parse milliseconds?

How do I use strptime or any other functions to parse time stamps with milliseconds in R? time[1] # [1] "2010-01-15 13:55: ... %S") # [1] "2010-01-15 13:55:23"` Question&Answers:os...

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

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