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android - define LOCAL_SRC_FILES in ndk{} DSL

I would like to know whether it is possible to define LOCAL_SRC_FILES in gradle.build ndk {} block. I am ... ndk plugin). Many thanks in advance, Manos Question&Answers:os...

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

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angular2 routing - Angular: Cannot find a differ supporting object '[object Object]'

Im following this tutorial. On the way to get list of users from api.github Im getting error: Cannot find a ... error) ) } } bootstrap(router, [HTTP_PROVIDERS]) Question&Answers:os...

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

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c++ - Why does std::cout output disappear completely after NULL is sent to it

It took me a while to figure out why some cout output seem to disappear into the ether. The culprit: std::cout<< " ... all I know is (some_string == 0) is true. Question&Answers:os...

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

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javascript - Should an async API ever throw synchronously?

I'm writing a JavaScript function that makes an HTTP request and returns a promise for the result (but this question ... valid')) } // make async call } Question&Answers:os...

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

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javascript - How to change the HTML content as it's loading on the page

I do A/B Testing on our site and I do most of my work is in a JS file that is loaded at the top ... parsed? Thanks for any help or any pointers. Regards, Nick Question&Answers:os...

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

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392 views

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php - How do I prepend file to beginning?

In PHP if you write to a file it will write end of that existing file. How do we prepend a file to ... if current content is larger than existing. Any Ideas? Question&Answers:os...

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

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java - Android Studio 3.1.3 Gradle Sync Error. Could Not Download Gradle-Core.jar

I am a computer science student and I am attempting to get familiar with building applications for a summertime ... =C:\Users\jddah\AppData\Local\Android\Sdk Question&Answers:os...

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

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python - Numpy sum elements in array based on its value

I have unsorted array of indexes: i = np.array([1,5,2,6,4,3,6,7,4,3,2]) I also have an array of ... [index] It is ugly and inefficient. How can I change it? Question&Answers:os...

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

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ios - didSelectRowAtIndexPath not working, Swift 3

Can anyone see why in the world didSelectRowAtIndexPath would not be called? I have triple checked by delegate both in the ... : nil) break default: break } } } Question&Answers:os...

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

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debugging - gprolog: Getting a stacktrace after an exception

While using gprolog I often have exceptions without any kind of line numbers or context like this one: uncaught ... the printing of the whole trace output. Question&Answers:os...

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

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101 views

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c# - SQL command INSERT is working but the data not appear in table

I am executing SQL command INSERT like this in my Visual C#.NET using MS VS 2010 Express Edition: private void ... to test it, but still no changes appear. Question&Answers:os...

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

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ios - Google Weather API gone?

I had been using the following google weather api in my iPhone apps to get 4 day weather forecast. NSString * ... expect some results back in my XML string! Question&Answers:os...

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

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Upload a file using PHP

I want to upload a file to a given folder. <?php $folder = "upload/"; if (is_uploaded_file( ... HTTP_POST_FILES in C:wampwwwsdgimportips.php on line 3 Question&Answers:os...

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

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c++ - Create an array when the size is a variable not a constant

Here is the program: int siz = 0; int n = 0; FILE* picture; picture = fopen("test.jpg", "r"); ... to correctly declare siz correctly so that the code compiles? Question&Answers:os...

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

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1 answer

android - Getting error java.text.ParseException: Unparseable date: (at offset 0) even if the Simple date format and string value are identical

I'm always getting the parse exception even if the format to check and the string value are same. Here is the code: ... at offset 0) } return date != null; } Question&Answers:os...

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

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256 views

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algorithm - Generate an integer that is not among four billion given ones

I have been given this interview question: Given an input file with four billion integers, provide an algorithm to ... everything. It's very confusing, sorry. Question&Answers:os...

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

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121 views

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Understanding Python's call-by-object style of passing function arguments

I am not sure I understand the concept of Python's call by object style of passing function arguments ( ... by reference and which ones passed by value? Question&Answers:os...

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

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365 views

1 answer

How to split a java string at backslash

String fname="C:extfilesdbqueryquery.txt"; this is the string i need to split it. I tried with this String [] ... not working... how to split this string... Question&Answers:os...

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

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115 views

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php - Nginx location configuration (subfolders)

lets say I've a path like: /var/www/myside/ that path contains two folders... let's say /static and ... wrong? Does anybody know what should I change? Matthew. Question&Answers:os...

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

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222 views

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mysql - PHP MySQLI Prevent SQL Injection

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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585 views

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c++ - no default constructor exists for class

#include "Includes.h" enum BlowfishAlgorithm { ECB, CBC, CFB64, OFB64, }; class Blowfish { public: struct ... constructor exists for class "Blowfish" ???! Question&Answers:os...

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

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878 views

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scope - C comma operator

Why is the expression specified inside a comma operator (such as the example below) not considered a constant ... not dealt this aspect of comma operator. Question&Answers:os...

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

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176 views

1 answer

How to reset mysql root password?

I have a little problem with my phpmyadmin, in fact I accidentally delete multiple user accounts. Since it is ... . Thank you in advance for your answers. Question&Answers:os...

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

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280 views

1 answer

php - pdo - Call to a member function prepare() on a non-object

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

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975 views

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generics - Java type inference: reference is ambiguous in Java 8, but not Java 7

Lets say we have 2 classes. An empty class Base, and a subclass of this class Derived. public class Base { ... How could <T extends Base> ever match Collection? Question&Answers:os...

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

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523 views

1 answer

64 bit - Using the extra 16 bits in 64-bit pointers

I read that a 64-bit machine actually uses only 48 bits of address (specifically, I'm using Intel core i7). I ... ), the key could be embedded into the pointer. Question&Answers:os...

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

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101 views

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Is MySQL breaking the standard by allowing selecting columns that are not part of the group by clause?

I am used to Microsoft technologies including SQL Server. Today I ran across a Q&A where the following passage from ... ? What is the result of allowing this? Question&Answers:os...

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

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298 views

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jquery - How to adjust the column width of jqgrid AFTER the data is loaded?

My ultimate goal is to have jqgrid to auto-set the column width according to the data content. As part of the ... v.length * 6; is obviously not very scalable. Question&Answers:os...

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

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