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ios4 - Design for Facebook authentication in an iOS app that also accesses a secured web service

Goal: Allow a user to authentication with Facebook into an iOS application which requires access to a protected ... going down the wrong (complicated) path. Question&Answers:os...

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

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ios - How to Sync iPhone Core Data with web server, and then push to other devices?

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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angularjs - Link vs compile vs controller

When you create a directive, you can put code into the compiler, the link function or the controller. In the ... shared or is it just the scope properties? Question&Answers:os...

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

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487 views

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c++ - Fastest way to determine if an integer is between two integers (inclusive) with known sets of values

Is there a faster way than x >= start && x <= end in C or C++ to test if an integer is ... or eliminating branching can provide such a dramatic speed up. Question&Answers:os...

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

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objective c - How do I avoid capturing self in blocks when implementing an API?

I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check ... how should this be modified to conform to ARC conventions? Question&Answers:os...

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

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python - Automatically create requirements.txt

Sometimes I download the python source code from github and don't know how to install all the ... requirements.txt automatically from the import section? Question&Answers:os...

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

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What are the differences between Visual Studio Code and Visual Studio?

Microsoft recently released Visual Studio Code and I am a little confused about its usage, since Visual Studio has lot of similarities functionally with it. Question&Answers:os...

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

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ios - Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?

Why isn't ProjectName-Prefix.pch created automatically in Xcode 6 ? Is the precompile header no longer needed ? ... that was in ProjectName-Prefix.pch before ? Question&Answers:os...

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

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What is a "bundle" in an Android application

What is a bundle in an Android application? When to use it? Question&Answers:os...

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

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exception - How to safely call an async method in C# without await

I have an async method which returns no data: public async Task MyAsyncMethod() { // do some stuff async ... , thereby increasing response times with no reason. Question&Answers:os...

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

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javascript - Regarding Promises/A+ Specification, what is the difference between the terms "thenable" and "promise"?

I am checking out the "Promises/A+" Specification, but could not understand the following things: On Section 1. ... there any convention? Thank you very much. Question&Answers:os...

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

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javascript - How can I get the destination URL for the onbeforeunload event?

I've searched for hours, but I couldn't find a solution for this. window.onbeforeunload = warn; This doesn't ... user types into the url box of the browser. Question&Answers:os...

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

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linux - Pass input/variables to command/script over SSH using Python Paramiko

I am having issues passing responses to a bash script on a remote server over SSH. I am writing a program in ... the end of the question may work. Suggestions? Question&Answers:os...

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

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javascript - Why do we use SpreadsheetApp.flush();?

I'm a complete beginner. I read the Google Document for the solution. I searched out the internet for the same. ... ? And please, with a simple example. Thanks. Question&Answers:os...

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

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java - Getting fonts, sizes, bold,...etc

I'm having trouble finding stuff on accessing Windows fonts or predefined fonts, and sizes. So for my ... Writer.setFont(font); Writer.setForeground(setColor); Question&Answers:os...

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

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c# - How do I export to Excel?

I followed this guide which was recommended in another post about this but I can't quite get it to work. I ... now returns the entire table in the Excel file. Question&Answers:os...

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

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html - Matching the first/nth element of a certain type in the entire document

How can I specify :first-of-type of the entire document? I want to style the first <p> of the HTML, no mater where it is ... > <p>444</p> <p>555</p> </body> Question&Answers:os...

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

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python - Why does the print function return None?

I'm trying to understand why the outer print returns None. >>> a = print(print("Python")) Python None ... anyone explain what goes on here generally? Thanks! Question&Answers:os...

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

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powerbi - Return top value ordered by another column

Suppose I have a table as follows: TableA = DATATABLE ( "Year", INTEGER, "Group", STRING, "Value", DOUBLE ... maximum, much like the MAXIFS Excel function has. Question&Answers:os...

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

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Load Chrome Profile using Selenium WebDriver using java

I'm having some troubles getting Selenium loading a chrome profile. String pathToChrome = "driver/chromedriver.exe"; System. ... 26.0.1383.0 on windows 7 x64. Question&Answers:os...

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

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c++ - Multithreading program stuck in optimized mode but runs normally in -O0

I wrote a simple multithreading programs as follows: static bool finished = false; int func() { size_t i = 0; while ... anything in Release mode or -O1 -O2 -O3. Question&Answers:os...

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

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332 views

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cocoa - NSString to NSDate

I got a string that contains the current date by using this : NSString *date = [[NSDate date] description]; At ... as nil 0x0. What am I doing wrong? Question&Answers:os...

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

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java - Mockito How to mock only the call of a method of the superclass

I'm using Mockito in some tests. I have the following classes: class BaseService { public void save() {...} } ... real method. Is there a way to do that? Question&Answers:os...

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

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html - Display a div width 100% with margins

I want to display an expandable div (width: 100%) with margins... #page { background: red; float: left; width: 100%; ... "> "some content here" </div> </div> Question&Answers:os...

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

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PHP: producing relative date/time from timestamps

I'm basically trying to convert a Unix timestamp (the time() function) to a relative date/time that's both ... Do you have a script that already does this? Question&Answers:os...

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

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678 views

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concurrency - SSE instructions: which CPUs can do atomic 16B memory operations?

Consider a single memory access (a single read or a single write, not read+write) SSE instruction on an x86 CPU. The ... ! 1101 0 0 1110 0 0 1111 1719 99975389 Question&Answers:os...

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

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244 views

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bash - Is there a list of 'if' switches anywhere?

Is there a list of all the if switches for use in Bash scripting? Sometimes I see someone using it ... references, guides, posts, answers would be appreciated. Question&Answers:os...

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

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403 views

1 answer

javascript - Get element CSS property (width/height) value as it was set (in percent/em/px/etc)

How could one get an elements CSS property (for example width/height) as it was set with CSS rules, in whatever ... the active rule? How would one know that? Question&Answers:os...

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

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