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454 views

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'receive-pack': service not enabled for './.git'

(Solved already, I'm writing this for the next guy) I was running git daemon on one computer and tried ... please go ahead and add 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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490 views

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jquery : focus to div is not working

After the ajax function is over. in success messages I'm focusing to the specific div. But it's not working. ... :$j("#focus_point").focus(); See Question&Answers more detail:os...

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

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386 views

1 answer

java - ServletRequest.getParameterMap() returns Map<String, String[]> and ServletRequest.getParameter() returns String?

Can someone explain to me why ServletRequest.getParameterMap() returns type Map<String, String[]> ServletRequest. ... one value. TIA. See Question&Answers more detail:os...

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

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329 views

1 answer

android - getSystemServices is undefined when called in a Fragment?

I want TextViews to display the sensors readings in a Fragment. When trying to initialize the SensorManager the ... stub } }; } See Question&Answers more detail:os...

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

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627 views

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objective c - Determine if NSNumber is NaN

How can I determine if a Cocoa NSNumber represents NaN (not a number)? This emerges, for example, when I ... an invalid (non-numeric) contents. See Question&Answers more detail:os...

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

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517 views

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Android NDK: No rule to make target

I'm trying to build a simple Android application using NDK. Here are the contents of my Android.mk LOCAL_PATH := ... to my working jni folder. See Question&Answers more detail:os...

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

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831 views

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ssh - git clone hangs forever on github

When I follow point 5 (Test everything out) in the github guide, the ssh command also hangs forever. According to ... env LC_CTYPE = en_US.UTF-8 See Question&Answers more detail:os...

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

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210 views

1 answer

How can I get the height of an element using css only

We have a lot of options to get the height of an element using jQuery and JavaScript. But how can we get the ... , pretium quis, sem. </div> See Question&Answers more detail:os...

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

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postgresql - ERROR: unterminated quoted string at or near

While executing below shown trigger code using ANT I am getting the error org.postgresql.util.PSQLException: ERROR: ... sweeper(); END; See Question&Answers more detail:os...

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

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1.1k views

1 answer

parameter name omitted, C++ vs C

In C++, I tend to omit the parameter's name under some circumstances. But in C, I got an error when ... 's name in C function definition? See Question&Answers more detail:os...

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

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492 views

1 answer

javascript - "Aw, Snap" when data uri is too large

I'm writing a chrome extension which does the following: Downloads a file from a website to memory using ... length is greater than 2097100? See Question&Answers more detail:os...

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

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501 views

1 answer

ios - @Binding and ForEach in SwiftUI

I can't undertand how to use @Binding in combination with ForEach in SwiftUI. Let's say I want to create a list ... a way to solve this issue? See Question&Answers more detail:os...

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

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416 views

1 answer

java - Time complexity of contains(Object o), in an ArrayList of Objects

As the title says, I was wondering what the time complexity of the contains() method of an ArrayList is. See Question&Answers more detail:os...

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

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552 views

1 answer

ios - Convert String to NSURL is return nil in swift

I am trying to convert a String to NSURL and my code for that is Below: var url = "https://maps.googleapis ... what is wrong with my first case? See Question&Answers more detail:os...

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

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457 views

1 answer

javascript - How to upload a screenshot using html2canvas?

Using html2canvas how can I save a screen shot to an object? I've been exploring the demos, and see that the ... the formdata xhr.send(fd); } See Question&Answers more detail:os...

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

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372 views

1 answer

java - Getting all possible sums that add up to a given number

I'm making an math app for the android. In one of these fields the user can enter an int (no digits and ... how i should go about doing 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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411 views

1 answer

Correct way to use third-party libraries in cmake project

I'm working on project that use some third-party libraries. I can clone and put them into my project as ... as dependencies of my project. See Question&Answers more detail:os...

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

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367 views

1 answer

php - XML creation using CodeIgniter

I'm using this code in Codeigniter to generate XML: public function get_cuisine() { $this->load->dbutil(); $sql = ... show as an XML type page? See Question&Answers more detail:os...

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

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268 views

1 answer

Error including Android-DirectionalViewPager .jar in Eclipse

I am trying to implement vertical swiping in my app. (Its just like the swiping with ViewPager, but vertically) ... must be wrong. Thanks! See Question&Answers more detail:os...

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

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348 views

1 answer

sql - What is the best way to generate ranks in MYSQL?

What's the best way to get the rank of the rows in addition to the row data in MYSQL? For instance, say I ... well in the rowdata I get back? See Question&Answers more detail:os...

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

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226 views

1 answer

In C/C++, is char* arrayName[][] a pointer to a pointer to a pointer OR a pointer to a pointer?

I understood multi-dimensional arrays as pointers to pointers, but perhaps I am wrong? For example, I though: char * var ... 'N'); return 0; } See Question&Answers more detail:os...

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

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669 views

1 answer

php - Case insensitive string comparison

I would like to compare two variables to see if they are the same, but I want this comparison to be case- ... , how would I approach 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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586 views

1 answer

c# - Cannot implicitly convert type from Task<>

I am trying to master async method syntax in .NET 4.5. I thought I had understood the examples exactly ... >' Any help 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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930 views

1 answer

c# - Invalid anonymous type member declarator

I have a problem with the following code which should work, according to this MSDN Forums post. using System; ... member access. What's wrong? See Question&Answers more detail:os...

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

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2.4k views

1 answer

identifier - PostgreSQL Error: Relation already exists

I am trying to create a table that was dropped previously. But when I do the CREATE TABLE A ... ... PRIMARY KEY (csd_relationship_id) ); See Question&Answers more detail:os...

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

0 votes

752 views

1 answer

java - Are the bit patterns of NaNs really hardware-dependent?

I was reading about floating-point NaN values in the Java Language Specification (I'm boring). A 32-bit ... the spec or the implementation. See Question&Answers more detail:os...

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

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267 views

1 answer

What is a regex to match ONLY an empty string?

There are lots of posts about regexs to match a potentially empty string, but I couldn't readily find any which provided ... " ". Why is that? See Question&Answers more detail:os...

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

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371 views

1 answer

java - "Island of isolation" of Garbage Collection

Could anyone please explain the concept of Island of isolation of Garbage Collection? See Question&Answers more detail:os...

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

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