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algorithm - Puzzle: Find largest rectangle (maximal rectangle problem)

What's the most efficient algorithm to find the rectangle with the largest area which will fit in the empty space? Let ... . Do you know of any? See Question&Answers more detail:os...

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

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iphone - Create a custom animatable property

On UIView you can change the backgroundColour animated. And on a UISlideView you can change the value animated. ... to the given percentage. 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 7 -- navigationController is setting the contentInset and ContentOffset of my UIScrollView

I have a UIScrollView (actually a UICollectionView, but that probably doesn't matter). When it appears in IOS 7, ... But is there a better way? 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 - JVM heap parameters

After reading already asked question on the subject and a lot of googling I am still not able to have a clear ... it? Thanks in advance Manu See Question&Answers more detail:os...

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

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MySQL delete duplicate records but keep latest

I have unique id and email fields. Emails get duplicated. I only want to keep one Email address of all the ... . How can I achieve 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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c - Assigning negative numbers to an unsigned int?

In the C programming language, unsigned int is used to store positive values only. However, when I run ... or am I misunderstanding something? See Question&Answers more detail:os...

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

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jQuery: keyPress Backspace won't fire?

I wonder what I'm doing wrong: $(".s").keypress(function(e) { switch (e.keyCode) { case 8: // ... Backspace in Chrome and Safari. any ideas? 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 format a DateTime in PowerShell

I can format the Get-Date cmdlet no problem like this: $date = Get-Date -format "yyyyMMdd" But once I've got a ... side of the '-f' operator" See Question&Answers more detail:os...

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

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xcode - "Use of undeclared type" in Swift, even though type is internal, and exists in same module

I have a type in my module: import Cocoa class ColoredDotView : NSView { ... } It is used in a ... undeclared type compiler error in Swift? 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 server - Create table (structure) from existing table

How to create new table which structure should be same as another table I tried CREATE TABLE dom AS SELECT * ... its not working error occurred See Question&Answers more detail:os...

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

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constructor - How does Python's "super" do the right thing?

I'm running Python 2.5, so this question may not apply to Python 3. When you make a diamond class ... has no super or __super__ attributes. See Question&Answers more detail:os...

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

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regex - Find phone numbers in python script

the following python script allows me to scrape email addresses from a given file using regular expressions. How could I ... extension)s*(d+))? See Question&Answers more detail:os...

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

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sqlite - How to use SQL Order By statement to sort results case insensitive?

I have a SQLite database that I am trying to sort by Alphabetical order. The problem is, SQLite doesn't seem to ... * FROM NOTES ORDER BY title 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# - How can I catch a 404?

I have the following code: HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.Method = "HEAD"; ... , 403, anything really. See Question&Answers more detail:os...

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

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swift - how to set cornerRadius for only bottom-left,bottom-right and top-left corner textview?

How to set corner radius only only bottom-left,bottom-right and top-left corner textview? let rectShape = CAShapeLayer( ... . I dont know why. See Question&Answers more detail:os...

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

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What is the meaning of # in URL and how can I use that?

I often found some URL which looks like the following: www.something.com/some_page/#someword After writing this page ... the website is 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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How to connect R with Access database in 64-bit Window?

When I tried to connect R with Access database I get an error odbcConnectAccess is only usable with 32-bit ... D:/SampleDB1/sampleDB1.mdb") 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 - WooCommerce: Add product to cart with price override?

$replace_order = new WC_Cart(); $replace_order->empty_cart( true ); $replace_order->add_to_cart( "256", "1"); ... to something totally custom? 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 mysql search multiple tables using a keyword

I have three tables in my database which are: messages topics comments Each of these tables has two fields ... would be greatly appreciated! 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 I specify a generic type in XAML (pre .NET 4 Framework)?

In XAML I can declare a DataTemplate so that the template is used whenever a specific type is displayed. For ... {x:Type} Markup Extension? 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 file_get_contents very slow when using full url

I am working with a script (that I did not create originally) that generates a pdf file from an HTML page. The ... where to look to fix 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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How to use MapView in android using google map V2?

I want to show a map in on of my activity. In google map V1 we use - <com.google.android.maps.MapView ... ) Can anyone use MapView using V2? See Question&Answers more detail:os...

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

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run a for loop in parallel in R

I have a for loop that is something like this: for (i=1:150000) { tempMatrix = {} tempMatrix = ... function cbind(finalMatrix, tempMatrix) } See Question&Answers more detail:os...

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

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Iterating Through a Dictionary in Swift

I am a little confused on the answer that Xcode is giving me to this experiment in the Swift ... missing something entirely obvious? 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 - PHP7.1 json_encode() Float Issue

This isn't a question as it is more of a be aware. I updated an application that uses json_encode() to PHP7.1.1 ... , "locked_static": "1" } }, See Question&Answers more detail:os...

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

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android - EditText underline below text property

I would like to change the blue colour below the edit text, i don't know what property it is. I tried using ... . I've attached an image below: See Question&Answers more detail:os...

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

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Ruby's File.open and the need for f.close

It's common knowledge in most programming languages that the flow for working with files is open-use-close. Yet I ... not then why the option? 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 window.open pass values using POST

I have a javascript function that uses window.open to call another page and returning the result. Here is the ... trying to map the suppliers) See Question&Answers more detail:os...

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

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