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What does Python's socket.recv() return for non-blocking sockets if no data is received until a timeout occurs?

Basically, I've read in several places that socket.recv() will return whatever it can read, or an empty string ... the connection is still standing or not... Question&Answers:os...

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

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Android PopupWindow with Tooltip Arrow

I've seen a lot of questions about removing the border of a PopupWindow by passing null or new Drawable() to ... the anchor: But I get something like this: Question&Answers:os...

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

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ios - Xcode 6 - xcassets for universal image support

Currently working on a universal SpriteKit project. I'll be supporting the following devices: iPhone 4/s, iPhone 5/c/ ... for me as I'm still a beginner. Question&Answers:os...

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

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javascript - Angular 2: import external js file into component

I'm going to import this d3gauge.js file into one of my angular2 component, memmon.component.ts file. import '../. ... as a result of .ensure can't be resolved. Question&Answers:os...

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

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c# - Adding Http Headers to HttpClient

I need to add http headers to the HttpClient before I send a request to a web service. How do I do that for ... jsonObject = jsonTask.Result; }); task.Wait(); Question&Answers:os...

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

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Java Lambda Stream Distinct() on arbitrary key?

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

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c# - pinvokestackimbalance -- how can I fix this or turn it off?

I just switched to vs2010 from vs2008. Exact same solution, except now every single call to a C++ ... different set of parameters to the DllImport directive? Question&Answers:os...

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

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how to link static library into dynamic library in gcc

Under gcc (g++), I have compiled a static .a (call it some_static_lib.a) library. I want to link (is that ... .a under libsomeDyn.so. What am I doing wrong? Question&Answers:os...

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

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Swift constants: Struct or Enum

I'm not sure which of both are better to define constants. A struct or a enum. A struct will be copied every ... say use Enum's. But I lack the justification. Question&Answers:os...

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

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r - How can I make consistent-width plots in ggplot (with legends)?

I've got a few different categories that I want to plot. These are different categories, each with their own set ... relative) of either the plot or the legend? Question&Answers:os...

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

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asp.net - Forms Authentication Timeout vs Session Timeout

In my asp.net website i am using asp.net form authentication with following configuration <authentication mode="Forms ... at loginpage.aspx. How is it possible? Question&Answers:os...

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

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reflection - How to enumerate an object's properties in Python?

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

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forms - How is mime type of an uploaded file determined by browser?

I have a web app where the user needs to upload a .zip file. On the server-side, I am checking the ... avoid loading the (presumably heavy) zip file libraries. Question&Answers:os...

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

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comparison - Compare version numbers in Objective-C

I am writing an application that receives data with items and version numbers. The numbers are formatted like "1.0.1" or "1.2 ... "1.2.5" comes after "1.0.1"? Question&Answers:os...

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

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javascript - (Deep) copying an array using jQuery

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

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Git error when trying to push -- pre-receive hook declined

When I try and push a change I've commited, I get the following error ... git.exe push -v --progress " ... 'ssh://git@mycogit/cit_pplus.git' What's going on? Question&Answers:os...

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

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python - Why am I getting ImportError: No module named pip ' right after installing pip?

I have installed pip and ez setup. I also checked the system path and I can see the module in the folder ... . I am running 32bit python on a windows7 machine Question&Answers:os...

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

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python - Matplotlib xticks not lining up with histogram

I'm generating some histograms with matplotlib and I'm having some trouble figuring out how to get the xticks of a ... , middle or right of each of the bars? Question&Answers:os...

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

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sql - Implement paging (skip / take) functionality with this query

I have been trying to understand a little bit about how to implement custom paging in SQL, for instance reading ... no luck. Any ideas how to implement it? Question&Answers:os...

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

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javascript - Get local href value from anchor (a) tag

I have an anchor tag that has a local href value, and a JavaScript function that uses the href value but directs ... but again, that would be a little messier. Question&Answers:os...

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

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javascript - Firefox 'Cross-Origin Request Blocked' despite headers

Closed. This question is not reproducible or was caused by typos. 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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c# - How do I decode a base64 encoded string?

I am trying to "decode" this following Base64 string: ... original string is? Question&Answers:os...

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

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Understanding the groovy syntax in a gradle task definition

I am new to Gradle and Groovy and trying to understand what is happening at the level of groovy when a ... is generated after the compiler plugin has run? Question&Answers:os...

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

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java - Android: Sending data >20 bytes by BLE

I am able to send data upto 20 bytes by connecting to an external BLE device. How do I send data greater ... accepted answer he has also used sleep in between. Question&Answers:os...

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

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ios - How do I get the color of a pixel in a UIImage with Swift?

I'm trying to get the color of a pixel in a UIImage with Swift, but it seems to always return 0. Here is the code ... g, blue: b, alpha: a) } Thanks in advance! Question&Answers:os...

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

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Java: Instanceof and Generics

Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance ... at runtime What is the better way to do it? Question&Answers:os...

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

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sql - MySQL Query to select data from last week?

Hi I have a table with a date field and some other information. I want to select all entries from the past week, ... ) How to write and SQL Query for the same. Question&Answers:os...

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

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431 views

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android - Broadcast Receiver within a Service

I am trying to start up a BroadcastReceiver within a Service. What I am trying to do is have a background ... ? I already have my service up and running. Question&Answers:os...

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

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