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delphi - Changing component class at run-time on demand

My Question is similar to the idea here: Replacing a component class in delphi. But I need to change a ... interposer class will not do. See Question&Answers more detail:os...

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ios - What does main.sync in global().async mean?

In Swift, I used this kind of pattern sometimes. DispatchQueue.global().async { // do stuff in background, ... main thread can update UI? See Question&Answers more detail:os...

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Meteor: how to search for only distinct field values aka a collection.distinct("fieldname") similar to Mongo's

I'm using Meteor, and I'm trying to find only distinct (unique) values of a field. Mongodb has the ... can probably bash something workable out. 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# - Interaction Triggers in Style in ResourceDictionary WPF

I have a ComboBox which I need to use in several places in my application, so I set most of the properties ... xamls. Is it possible somehow? See Question&Answers more detail:os...

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LocalNotification with AlarmManager and BroadcastReceiver not firing up in Android O (oreo)

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cordova - AJAX Request from Phonegap Android fails

I have been working on this for the last two days, and looking at a lot of other suggestions. Yes I can ... status":404,"statusText":"error"} See Question&Answers more detail:os...

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utf 8 - JPA utf-8 characters not persisted

I have a simple web application where I use JPA. I have an entity called BlogEntry. When I submit a new ... </persistence-unit> </persistence> See Question&Answers more detail:os...

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smtp - How to send an e-mail with C# through Gmail

I am getting an error when trying to send an e-mail through my web service. I have tried enabling access to ... } return returnString; } } } See Question&Answers more detail:os...

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How to change the stack size using ulimit or per process on Mac OS X for a C or Ruby program?

It seems that the recommended way to set stack size for a C program or Ruby program (which uses the C stack), ... then it may return an error) See Question&Answers more detail:os...

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javascript - creating tasks using a loop [gulp]

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sql server - How to avoid SSIS FTP task from failing when there are no files to download?

I'm using SQL Server 2005, and creating ftp tasks within SSIS. Sometimes there will be files to ftp over, ... in a more secure location.) See Question&Answers more detail:os...

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html - Why does "position: absolute; left: 0; right: 0; width: XYpx; margin: 0 auto" actually center?

I'm pretty proficient when it comes to CSS but today I stumbled over a snippet that got me head-scratching (here and ... ="child"></div> </div> See Question&Answers more detail:os...

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terminology - What is the origin of the term "heap" for the free store?

I am trying to find the official (or a good enough) reason that the free store is commonly referred to as the ... it I guess it could 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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css - HTML List element : Sharing the parent width into equal parts

I have a parent <ol> and couple of <li> items in that. <ol style='width=800px;display :block;float:left;'> <li ... may be 4 or 5 or 6 sometimes See Question&Answers more detail:os...

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c# - HttpSelfHostServer and HttpContext.Current

I'm working on a self-hosted ASP.NET web api-application. Everything works fine, but now I'm struggling ... is greatly appreciated! Cheers! See Question&Answers more detail:os...

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c# - How to retain spaces in DropDownList - ASP.net MVC Razor views

I'm binding my model in the following way in the view: <%=Html.DropDownList("SelectedItem",new SelectList(Model. ... way I can achieve this? See Question&Answers more detail:os...

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java - Maven: remove a single transitive dependency

My project includes a jar file because it is listed as a transitive dependency. However, I have verified ... from my transitive dependencies? See Question&Answers more detail:os...

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c - How to check if value has even parity of bits or odd?

A value has even parity if it has an even number of 1 bits. A value has an odd parity if it has ... has_even_parity(unsigned int x) { return } 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 split a large file into chunks in c#?

I'm making a simple file transfer sender and receiver app through the wire. What I have so far is that the sender ... I'm starting to get it :D See Question&Answers more detail:os...

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Label X Axis in Time Series Plot using R

I am somewhat new to R and have limited experience with plotting in general. I have been able to work get ... series objects? Thanks in advance! See Question&Answers more detail:os...

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WebGL Read pixels from floating point render target

There is some confusion e.g. in terms of support levels for rendering to floating point textures in WebGL. The ... > </body> </html> See Question&Answers more detail:os...

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java - Set MongoDb converter programmatically

I'm trying to use a custom converter with spring-data-mongodb. I want to create it programmatically, but I get the ... date + '}'; } } See Question&Answers more detail:os...

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ios - Proper use of loadView and viewDidLoad with UIViewController without nibs/xibs

When I program without a nib, I am under the impression that I need to call loadView to initialize my view, like ... is the right thing to do. See Question&Answers more detail:os...

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java - Chrome is being controlled by automated test software

I am running automated tests in Chrome with Serenity BDD (Selenium). I had to download a new ChromeDriver, because ... knows how to remove that? See Question&Answers more detail:os...

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javascript - Allow text box only for letters using jQuery?

I want to make a text box allow only letters (a-z) using jQuery. Any examples? 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 - Remove class= attribute

I'm using simple xml library: http://simple.sourceforge.net/home.php I have a problem with @ElementList annotation: if I ... class="....." ? See Question&Answers more detail:os...

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How to Get Active Process Name in C#?

How to get active process name in C#? I know that I must use this code: [DllImport("user32.dll")] private static ... I don't know how use 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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ios - HTML Format in UITextView

i'm quite new to iOS Development and right now working on an app which receive some kind of JSON Data. ... right way? Thanks in advance AR4G4 See Question&Answers more detail:os...

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

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