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.net - "An attempt was made to load a program with an incorrect format" even when the platforms are the same

I'm calling functions from a 32-bit unmanaged DLL on a 64-bit system. What I get is: BadImageFormatException: An ... me point out that there isn't one. ;) Question&Answers:os...

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

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Why docker container exits immediately

I run a container in the background using docker run -d --name hadoop h_Service it exits quickly. But if I ... /hadoop-0.20-mapreduce-jobtracker start /bin/bash Question&Answers:os...

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

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288 views

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Best way to list files in Java, sorted by Date Modified?

I want to get a list of files in a directory, but I want to sort it such that the oldest files are first ... lastModified()).compareTo(f2.lastModified()); } }); Question&Answers:os...

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

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python - "for line in..." results in UnicodeDecodeError: 'utf-8' codec can't decode byte

Here is my code, for line in open('u.item'): # Read each line Whenever I run this code it gives the ... it gives the same error. What should I do then? Question&Answers:os...

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

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php - Automatically deleting related rows in Laravel (Eloquent ORM)

When I delete a row using this syntax: $user->delete(); Is there a way to attach a callback of sorts, so ... ()->delete(); Preferably inside the model-class. Question&Answers:os...

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

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node.js - Mongoose: findOneAndUpdate doesn't return updated document

Below is my code var mongoose = require('mongoose'); mongoose.connect('mongodb://localhost/test'); var Cat = ... data at first time when console.log it. Question&Answers:os...

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

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python - Convert Pandas column containing NaNs to dtype `int`

I read data from a .csv file to a Pandas dataframe as below. For one of the columns, namely id, I want ... Cannot convert NA to integer How can I tackle this? Question&Answers:os...

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

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jquery - How to detect Ctrl+V, Ctrl+C using JavaScript?

How to detect ctrl+v, ctrl+c using Javascript? I need to restrict pasting in my textareas, end user should not ... type text in textarea. How to achieve this? Question&Answers:os...

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

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java - Create array of regex matches

In Java, I am trying to return all regex matches to an array but it seems that you can only check ... string matching a regex expression in a given string? Question&Answers:os...

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

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Determine a string's encoding in C#

Is there any way to determine a string's encoding in C#? Say, I have a filename string, but I don't know ... or the system-default encoding, how do I find out? Question&Answers:os...

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

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c++ - determine size of array if passed to function

Is it possible to determine the size of an array if it was passed to another function (size isn't ... value specified in the initialization of the array.. Question&Answers:os...

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

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javascript - How to populate a cascading Dropdown with JQuery

i have the following problem: I started to create a form with HTML an JS and there are two Dropdowns (Country and City ... i can't see the wood for the trees. Question&Answers:os...

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

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How to make a calculator in PHP?

I want to use PHP to calculate simple algebraic expressions like, 8*(5+1), entered via an <input> tag by a normal user ( ... . '*' . $b, $a*$b, $string); } } Question&Answers:os...

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

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WebDriverException: Message: 'chromedriver' executable needs to be in PATH while setting UserAgent through Selenium Chromedriver python

I'm a newbie in webscraping, I'm trying to modify my user agent using these lines : from selenium import ... home Can you please help me fix this issue? Question&Answers:os...

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

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c# - Copy DataGridView values to TextBox

I have tried to get an answer to this but so far no help has been able to do what I want it to. I have ... into the textbox. Anyone know what I am doing wrong? Question&Answers:os...

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

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108 views

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How do you create a remote Git branch?

I created a local branch which I want to 'push' upstream. There is a similar question here on Stack ... below: https://stackoverflow.com/a/27185855/109305 Question&Answers:os...

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

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330 views

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REST HTTP status codes for failed validation or invalid duplicate

I am building an application with a REST-based API and have come to the point where I am specifying ... there a common practice when sending status codes? Question&Answers:os...

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

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220 views

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r - Create an empty data.frame

I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column ... . Is there a better way to do this? Question&Answers:os...

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

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733 views

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optimization - How do I add indices to MySQL tables?

I've got a very large MySQL table with about 150,000 rows of data. Currently, when I try and run SELECT * ... VARCHAR. Could this be the source of the problem? Question&Answers:os...

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

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316 views

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javascript - Check if a variable is of function type

Suppose I have any variable, which is defined as follows: var a = function() {/* Statements */}; I want a ... a is of type Function in the way defined above? Question&Answers:os...

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

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175 views

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c# - How to export DataTable to Excel

How can I export a DataTable to Excel in C#? I am using Windows Forms. The DataTable is associated with a ... I have to export records of DataTable to Excel. Question&Answers:os...

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

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152 views

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syntax - What does '<?=' mean in PHP?

<?php $a=1; ?> <?=$a;?> What does <?= mean exactly? Question&Answers:os...

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

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124 views

1 answer

Reading/Writing a MS Word file in PHP

Is it possible to read and write Word (2003 and 2007) files in PHP without using a COM object? I know that I can: ... it as an HTML file not a native .doc file. Question&Answers:os...

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

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287 views

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html - CSS Floating Divs At Variable Heights

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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216 views

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Java - Method name collision in interface implementation

If I have two interfaces , both quite different in their purposes , but with same method signature , how do I ... . Is there any equivalent way in Java ? Question&Answers:os...

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

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441 views

1 answer

javascript - Why does canvas.toDataURL() throw a security exception?

Did I not get enough sleep or what? This following code var frame=document.getElementById("viewer"); frame.width= ... 't work! Can anyone explain this, please? Question&Answers:os...

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

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303 views

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c++ - Why copying stringstream is not allowed?

int main() { std::stringstream s1("This is my string."); std::stringstream s2 = s1; // error, ... can't copy stringstream. could you provide some reference? Question&Answers:os...

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

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392 views

1 answer

javascript - Object property name as number

According to the official JavaScript documentation you can define object literal property names using integers: Additionally, ... for-in loop. Any suggestions? Question&Answers:os...

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

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