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687 views

1 answer

objective c - UIPopoverPresentationController on iOS 8 iPhone

Does anyone know if UIPopoverPresentationController can be used to present popovers on iPhones? Wondering if Apple added this ... I will remove it in that case. Question&Answers:os...

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

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448 views

1 answer

Getting console.log output from Chrome with Selenium Python API bindings

I'm using Selenium to run tests in Chrome via the Python API bindings, and I'm having trouble figuring out how ... Is there some way to accomplish what I need? Question&Answers:os...

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

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100 views

1 answer

PHP convert string to hex and hex to string

I got the problem when convert between this 2 type in PHP. This is the code I searched in google function ... it wrong when I convert this 2 style value? Question&Answers:os...

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

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320 views

1 answer

java - Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property

I am getting following error, when I run the demo JSF application on the console [SetPropertiesRule]{Server/ ... JSFTut' did not find a matching property. Question&Answers:os...

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

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312 views

1 answer

git diff - show me line ending changes?

My editor is changing the line endings of my source files. When I do git diff, I see the same line twice - ... diff to show me what this change actually was? Question&Answers:os...

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

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246 views

1 answer

Android - Open resource from @drawable String

I have: String uri = "@drawable/myresource.png"; How can I load that in ImageView? this.setImageDrawable? Question&Answers:os...

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

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235 views

1 answer

c# - PInvoke for C function that returns char *

I'm trying to write some C# code that calls a method from an unmanaged DLL. The prototype for the function in the ... I convert this IntPtr to a string in C#? Question&Answers:os...

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

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335 views

1 answer

python - Pandas: How do I assign values based on multiple conditions for existing columns?

I would like to create a new column with a numerical value based on the following conditions: a. if gender is ... squirrel dog cat 0 How do I accomplish this? Question&Answers:os...

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

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83 views

1 answer

android - Getting installed app size

I'm trying to figure out how to get the size of an installed app. What's already failed: - new File('/data/ ... for result so I can't call it via reflection. Question&Answers:os...

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

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1.8k views

1 answer

python - Blocking and Non Blocking subprocess calls

I'm completely confused between subprocess.call() , subprocess.Popen(), subprocess.check_call(). Which is blocking ... How does shell=True affect these calls? Question&Answers:os...

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

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216 views

1 answer

How to support Universal Links in iOS App and setup server for it?

How i can support Universal Links in my iOS application and setup my server in order to support Universal Links? Question&Answers:os...

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

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99 views

1 answer

sql - Can table columns with a Foreign Key be NULL?

I have a table which has several ID columns to other tables. I want a foreign key to force integrity only if ... expectation, but correct me if I am wrong. Question&Answers:os...

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

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604 views

1 answer

C++ cout hex values?

I want to do: int a = 255; cout << a; and have it show FF in the output, how would I do this? Question&Answers:os...

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

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203 views

1 answer

What is the meaning of the ${0##...} syntax with variable, braces and hash character in bash?

I just saw some code in bash that I didn't quite understand. Being the newbie bash scripter, I'm not sure ... Can anyone give me some insight into this syntax? Question&Answers:os...

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

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555 views

1 answer

c# - Row_number over (Partition by xxx) in Linq?

I have a DataTable which has this structure and data: id | inst | name ------------------------ 1 | guitar | john 2 | ... {0} {1} {2}", i.inst, i.name, i.rn); } Question&Answers:os...

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

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613 views

1 answer

html - jQuery find closest previous sibling with class

Here's the rough HTML I get to work with: <li class="par_cat"></li> <li class="sub_cat"></li> <li class=" ... 30 on the page). I need target the single one. Question&Answers:os...

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

0 votes

120 views

1 answer

php - MySQL check if a table exists without throwing an exception

What is the best way to check if a table exists in MySQL (preferably via PDO in PHP) without throwing an ... . There must be some sort of boolean query? Question&Answers:os...

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

0 votes

155 views

1 answer

iphone - How to create a custom keyboard

How do I go about creating a custom keyboard/keypad that will show up when some one taps on a ... with existing keyboard which is an unacceptable solution. Question&Answers:os...

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

0 votes

85 views

1 answer

c# - Dynamically generate LINQ queries

We have an object public class SomeObject { public Name {get;set;} public City {get;set;} public State {get;set} ... where clause name = 'Bob' Can this be done? Question&Answers:os...

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

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955 views

1 answer

integer - How does Python manage int and long?

Does anybody know how Python manage internally int and long types? Does it choose the right type dynamically? What is ... > print type(0x80000000) <type 'long'> Question&Answers:os...

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

0 votes

618 views

1 answer

memory limit in Node.js (and chrome V8)

In many places in the web, you will see: What is the memory limit on a node process? and the answer: Currently, ... (on a 64bit machine) but I would rather not. Question&Answers:os...

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

0 votes

149 views

1 answer

r - Replace missing values with column mean

I am not sure how to loop over each column to replace the NA values with the column mean. When I am ... not replaced. Can someone please help me with this? Question&Answers:os...

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

0 votes

260 views

1 answer

r - Subset rows in a data frame based on a vector of values

I have two data sets that are supposed to be the same size but aren't. I need to trim ... , !eg2012$ID %in% bg2012missingFromBeg) : undefined columns selected Question&Answers:os...

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

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174 views

1 answer

Would you store binary data in database or in file system?

Closed. This question is opinion-based. 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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1.2k views

1 answer

ecmascript harmony - JavaScript double colon (bind operator)

As you know, there is a proposal for a shortcut for .bind() function, so you can write: ::this.handleStuff and ... so it would be nice to shorten it a little. Question&Answers:os...

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

0 votes

163 views

1 answer

Can I use library that used android support with Androidx projects.

I know, androidx and support dependency causing multidex error We can not use androidx and android support at ... "com.airbnb.android:lottie:$lottieVersion" } Question&Answers:os...

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

0 votes

444 views

1 answer

Can we import XML file into another XML file?

Can we import an XML file into another XML file? I mean is there any import tag in XML that takes XML path ... and imports XML (for which path is provided). Question&Answers:os...

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

0 votes

194 views

1 answer

performance - Faster way to find the first empty row in a Google Sheet column

I've made a script that every few hours adds a new row to a Google Apps spreadsheet. This is the function I've ... in timeout or worse. Is there a better way? Question&Answers:os...

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

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