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file io - How do you handle resources in MATLAB in an exception safe manner? (like "try ... finally")

Since there is no finally clause to the try-catch block in MATLAB, I find myself writing lots of code like the ... a better way for doing this? See Question&Answers more detail:os...

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ios - NSIndexpath.item vs NSIndexpath.row

Does anyone know the difference between NSIndexpath.row and NSIndexpath.item? Specifically, which one do I use in ... :(NSIndexPath *)indexPath; See Question&Answers more detail:os...

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sql server 2008 - Select a Column in SQL not in Group By

I have been trying to find some info on how to select a non-aggregate column that is not contained ... ' group by cpe.fmgcms_cpeclaimid See Question&Answers more detail:os...

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

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sql - How to find rows in one table that have no corresponding row in another table

I have a 1:1 relationship between two tables. I want to find all the rows in table A that don't have a ... quickly? What index should I should? See Question&Answers more detail:os...

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c - How can I find the number of elements in an array?

I have an int array and I need to find the number of elements in it. I know it has something to do with ... not sure how to use it exactly. See Question&Answers more detail:os...

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visual studio 2010 - Re-establish TFS source control bindings

I have about a dozen Visual Studio 2010 projects I've been working on that are versioned in a TFS repository. ... be throwing off my mappings. See Question&Answers more detail:os...

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css - What disadvantages are there to the <button> tag?

I started using a diagnostic css stylesheet, e.g. http://snipplr.com/view/6770/css-diagnostics--highlight-deprecated ... out and what I suggest. See Question&Answers more detail:os...

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ios - Launch Apple Mail App from within my own App?

What I already found is [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto:"]]; But I just ... last state. Any ideas? See Question&Answers more detail:os...

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c# - Adding and Removing Anonymous Event Handler

I was wondering if this actually worked ? private void RegisterKeyChanged(T item) { item.OnKeyChanged += (o, k) ... ? Is this even recommended? See Question&Answers more detail:os...

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javascript - How do I make a <div> move up and down when I'm scrolling the page?

How can I make a div element move up and down the page when the user is scrolling the page? (where that element is always visible) See Question&Answers more detail:os...

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java - Clarification of meaning new JVM memory parameters InitialRAMPercentage and MinRAMPercentage

Reference: https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8186315 I'm really struggling to find ... effect of setting MinRAMPercentage? See Question&Answers more detail:os...

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uWSGI request timeout in Python

Trying to set the timeout for requests in uWSGI, I'm not sure of the correct setting. There seem to be ... of a REST application can take. See Question&Answers more detail:os...

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How do you force Firefox to not cache or re-download a Silverlight XAP file?

When working with Silverlight, I've noticed that Firefox will cache the XAP file, so if I do an update, a ... XAP file altogether? Thanks, jeff See Question&Answers more detail:os...

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serialization - java.io.InvalidClassException: local class incompatible:

I created client and server and then added a class in client side for serializing purposes, then simply just went ... adr; public String key; } See Question&Answers more detail:os...

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d3.js - Calm down initial tick of a force layout

I've just started dabbling with d3, and find the learning curve quite steep. The process is completely different than ... "bounce time" a bit? See Question&Answers more detail:os...

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java - Disable caching in JPA (eclipselink)

I want to use JPA (eclipselink) to get data from my database. The database is changed by a number of ... ) Am I misunderstanding something? See Question&Answers more detail:os...

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How are Scala traits compiled into Java bytecode?

I have played around with Scala for a while now, and I know that traits can act as the Scala equivalent ... traits compile to Java bytecode? See Question&Answers more detail:os...

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arrays - Sort Object in PHP

What is an elegant way to sort objects in PHP? I would love to accomplish something similar to this. ... see anything elegant or obvious. See Question&Answers more detail:os...

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c# - Caching in WCF?

I am building a WCF service. I need to store reference data in the cache which I will look up every time ... it after a certain time interval. See Question&Answers more detail:os...

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java - How to forward large files with RestTemplate?

I have a web service call through which zip files can be uploaded. The files are then forwarded to ... an OutOfMemory error using RestTemplate? See Question&Answers more detail:os...

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c# - String Format Numbers Thousands 123K, Millions 123M, Billions 123B

Is there a way using a string formatter to format Thousands, Millions, Billions to 123K, 123M, 123B without having to ... 0:????}", LargeNumber) See Question&Answers more detail:os...

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android - handling links in a webview

I have my WebView loading all links inside the webview - but when I select an email link it tries to load it in the ... (url); return true; } }} See Question&Answers more detail:os...

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android - Is there any way to dynamically change an app icon like Calendar app does?

I wanna create an Android application, and I want to dynamically and automatically update the app icon similarly to how ... do it in my app? See Question&Answers more detail:os...

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java - @OneToMany and composite primary keys?

I'm using Hibernate with annotations (in spring), and I have an object which has an ordered, many-to-one ... to fill this out? Thanks! See Question&Answers more detail:os...

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c++ - Check if a variable type is iterable?

Is there any way to check if an arbitrary variable type is iterable? So to check if it has indexed elements or I can ... how to do this in C++. See Question&Answers more detail:os...

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java - How to add CheckBox's to a TableView in JavaFX

In my Java Desktop Application I have a TableView in which I want to have a column with CheckBoxes. I did find ... in a cell of my TableView? See Question&Answers more detail:os...

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ios - After upgrading to xcode 9, cordova app won't build, error 70, requires provisioning profile

Yesterday we upgraded from xcode 8.3.2 to version 9. And now our enterprise distribution apache cordova ios app refuses ... not much I can do. See Question&Answers more detail:os...

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C/C++ efficient bit array

Can you recommend efficient/clean way to manipulate arbitrary length bit array? Right now I am using regular int/ ... is not available for me. See Question&Answers more detail:os...

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

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