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.net - Difference between web reference and service reference?

What is the difference between web reference and service reference in WCF? Which is preferable in WCF? Question&Answers:os...

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

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508 views

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python - Efficient way of having a function only execute once in a loop

At the moment, I'm doing stuff like the following, which is getting tedious: run_once = 0 while 1: if run_once ... been run or not, seemed kind of inefficient. Question&Answers:os...

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

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165 views

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c - Does pthread_cond_wait(&cond_t, &mutex); unlock and then lock the mutex?

I m using pthread_cond_wait(&cond_t, &mutex); in my program and I m wondering why this function need as ... finish (just before leaving pthread_cond_wait())? Question&Answers:os...

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

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350 views

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TypeScript array to string literal type

I currently have both an array of strings and a string literal union type containing the same strings: const ... array], so there are no duplicate strings. Question&Answers:os...

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

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337 views

1 answer

r - How do you add a general label to facets in ggplot2?

I often have numeric values for faceting. I wish to provide sufficient information to interpret these faceting values ... to ggplot2 plots - make it perfect Question&Answers:os...

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

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305 views

1 answer

Git with SSH on Windows

I've went through the excellent guide provided by Tim Davis which is about configuring Git to work with SSH ... / fatal: The remote end hung up unexpectedly Question&Answers:os...

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

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323 views

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linux - [ :Unexpected operator in shell programming

This question already has answers here: Question&Answers:os...

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

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command line - How do I get the name of the current executable in C#?

I want to get the name of the currently running program, that is the executable name of the program. In C/C++ you get it from args[0]. Question&Answers:os...

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

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89 views

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sql - DISTINCT for only one column

Let's say I have the following query. SELECT ID, Email, ProductName, ProductModel FROM Products How can I modify it so ... So I'm not sure how to approach this. Question&Answers:os...

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

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findstr - Regex - how to match everything except a particular pattern

How do I write a regex to match any string that doesn't meet a particular pattern? I'm faced with a situation where I have to match an (A and ~B) pattern. Question&Answers:os...

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

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271 views

1 answer

python - List all base classes in a hierarchy of given class?

Given a class Foo (whether it is a new-style class or not), how do you generate all the base classes - anywhere in the inheritance hierarchy - it issubclass of? Question&Answers:os...

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

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winforms - How do I set the selected item in a comboBox to match my string using C#?

I have a string "test1" and my comboBox contains test1, test2, and test3. How do I set the selected item ... doesn't work. comboBox1.SelectedText = "test1"; Question&Answers:os...

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

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169 views

1 answer

c# - How abstraction and encapsulation differ?

I am preparing for an interview and decided to brush up my OOP concepts. There are hundreds of articles available, ... EDIT: I need answers, a bit c# oriented Question&Answers:os...

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

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960 views

1 answer

stl - Can't include C++ headers like vector in Android NDK

When I try to include any C++ class like vector in my Android NDK project (using NDK r5b, the latest), ... really appreciate if someone has any advice. Thanks! Question&Answers:os...

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

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1 answer

cmd - Running Windows batch file commands asynchronously

Say, if I have foo.exe bar.exe baz.exe How do I run all of them from a batch file asynchronously, i.e. without waiting for the previous program to stop? Question&Answers:os...

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

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59 views

1 answer

java - Which Android Data Storage Technique to use?

The android documentation has the following options below but does not explain what circumstances each ... External Storage SQLite Databases Network Connection Question&Answers:os...

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

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241 views

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javascript - How to check whether a script is running under Node.js?

I have a script I am requiring from a Node.js script, which I want to keep JavaScript engine independent. For ... it has been required as a CommonJS module? Question&Answers:os...

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

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347 views

1 answer

python - Unresolved Import Issues with PyDev and Eclipse

I am very new to PyDev and Python, though I have used Eclipse for Java plenty. I am trying to work through ... else on my machine... requires this much effort. Question&Answers:os...

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

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271 views

1 answer

database - How can I modify the size of column in a MySQL table?

I have created a table and accidentally put varchar length as 300 instead of 65353. How can I fix that? An example would be appreciated. Question&Answers:os...

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

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274 views

1 answer

html - Expand div to max width when float:left is set

I have something like that: <div style="width:100px;float:left">menu</div> <div style="float:left">content</div ... right of the menu and is then shown below. Question&Answers:os...

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

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102 views

1 answer

c++ - Why is it OK to return a 'vector' from a function?

Please consider this code. I have seen this type of code several times. words is a local vector. How is it ... { words.push_back(token); } return words; } Question&Answers:os...

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

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719 views

1 answer

CURL ERROR: Recv failure: Connection reset by peer - PHP Curl

I'm having this strange error, CURL ERROR: Recv failure: Connection reset by peer This is how it happens, if I ... ; charset=UTF-8 < > * Closing connection #0 Question&Answers:os...

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

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110 views

1 answer

Add multiple columns to R data.table in one function call?

I have a function that returns two values in a list. Both values need to be added to a data.table in two new ... way to add two columns by reference at a time. Question&Answers:os...

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

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355 views

1 answer

c - Compiling without libc

I want to compile my C-code without the (g)libc. How can I deactivate it and which functions depend on it? ... of the libc in the hexdump of my executable. Question&Answers:os...

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

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608 views

1 answer

android - completely transparent status bar and navigation bar on lollipop

I'm trying to make an android launcher. I want to achieve a completely transparent status bar and navigation ... bar "transparent" instead of "translucent"? Question&Answers:os...

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

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202 views

1 answer

Android: Remove all the previous activities from the back stack

When i am clicking on Logout button in my Profile Activity i want to take user to Login page, where he ... " in the manifest for my LoginActivity Thank You Question&Answers:os...

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

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424 views

1 answer

limiting java ssl debug logging

Using JVM flag -Djavax.net.debug=ssl is producing a tremendous ammount of logging, the details for every ... record plaintext packet print raw SSL/TLS packets Question&Answers:os...

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

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1.0k views

1 answer

json - HttpClient not supporting PostAsJsonAsync method C#

I am trying to call a web API from my web application. I am using .Net 4.5 and while writing the code ... assembly reference?) Please have a look and advice me. Question&Answers:os...

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

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