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I need to upload multiple images via form. I thought that I will do it with no problem, but I have one. When I ... ]; imgUpload($file); $i++; } See Question&Answers more detail:os...

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

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Google Maps Javascript API v3 Map Label and Polygons

I am using the Google Maps javascript API v3 with a project, and I am currently having troubles getting the ... but below the info window. See Question&Answers more detail:os...

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

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r - replace multiple values in a column for a single one

I have a rather basic question. I have several values in a column that I would like to replace for a single ... , and thanks for any help! See Question&Answers more detail:os...

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

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java - remove invisible text from pdf using pdfbox

Link to pdf When I try to extract the text from the pdf above, I get a mixture of text that was invisible in the ... 9 10:20p 32 49ERS ? - 4? See Question&Answers more detail:os...

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

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c++ - BOOST ASIO - How to write console server

I have to write asynchronous TCP Sever. TCP Server have to be managed by console (for eg: remove client, show ... : showClients(); break } } See Question&Answers more detail:os...

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

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javascript - How to create jQuery Datatable Drill-down rows?

In my MVC project, I am trying to use a single Datatable and collapse the rows for detail data as shown on ... like that? Thanks in advance... See Question&Answers more detail:os...

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

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android - How to downgrade to older version of Gradle

I have in my .gradle folder, a 2.4 folder which is the version of gradle. I want to downgrade to 2.2.1, ... .4 version. How can I solve 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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jQuery - keydown / keypress /keyup ENTERKEY detection?

Trying to get jQuery to detect enter input, but space and other keys are detected, enter isn't detected. What's ... ; http://jsfiddle.net/zeRrv/ See Question&Answers more detail:os...

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

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sql server - Unable to find the requested .Net Framework Data Provider. It may not be installed. - when following mvc3 asp.net tutorial

I am following the ASP.NET MVC 3 Music store application tutorial but I keep getting stuck in part 4: ... guidance would be really 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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c# - Understanding Linq To Xml - Descendants return no results

I'm a completly New to Linq2XML as I code to much lines to perform simple things, and in a simple project I ... ; Thank you all for the help! 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 - Why can I create a table with PRIMARY KEY on a nullable column?

The following code creates a table without raising any errors: CREATE TABLE test( ID INTEGER NULL, CONSTRAINT ... just failed right there? See Question&Answers more detail:os...

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

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How to set a Rust array length dynamically?

I want to create array like this: let arr = [0; length]; Where length is a usize. But I get this error E0307 ... I want an array, not a Vec. See Question&Answers more detail:os...

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

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android popup menu text color (AppCompat)

I need to change text color of a popuo menu but I don't find any way for do this, I can change background ... > </style> where is the mistake? See Question&Answers more detail:os...

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

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c++ - Are Variadic macros nonstandard?

For debugbuilds, I usually use Clang, as it formats warnings and errors better, and makes it a ... Preprocessor is interpreted independently)? See Question&Answers more detail:os...

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

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Java Generic with ArrayList <? extends A> add element

I have classes A, B, C and D where B extends A, C extends A and D extends A. I have the following ... > correctly? How can I resolve 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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database - Does MongoDB support floating point types?

I am migrating a mysql database to mongodb. But i have read in MongoDb data types and then there is no reference to ... i do or what can i do? See Question&Answers more detail:os...

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

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css - Zebra striping a table with hidden rows using CSS3?

I've got a table <table id="mytable"> <tr style="display: none;"><td> </td></tr> <tr><td>  ... to crack it. anyone pass along a clue? See Question&Answers more detail:os...

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

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list - python's sum() and non-integer values

Is there a simple and quick way to use sum() with non-integer values? So I can use it like this: class Foo( ... I don't need __add__ in my class See Question&Answers more detail:os...

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

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How long of a URL can Internet Explorer 9 take?

Past versions of Internet Explorer croaked on web addresses longer than 2,083 characters (see http://support.microsoft. ... is one of them? See Question&Answers more detail:os...

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

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c# - Amazon SES Email address is not verified

I'm starting with the amazon servers and started studying about SES. I am using asp.net C # and made ??my code based ... : " + ex.Message); } } See Question&Answers more detail:os...

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

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javascript - How to decode a JSFuck script?

I have this code in JavaScript: [(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+ (![]+[])[!+[]+!+[] ... ]+[])[+!+[]]] I want to see the plain script. See Question&Answers more detail:os...

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

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ios - +entityForName: nil is not a legal NSManagedObjectContext parameter searching for entity name 'Account''

I have tried a lot of options, but can't find the solution for this problem. I created a Core Data file ... } @end Any help appreciated. 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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c++ - Returning a void?

I do not understand why this code compiles without error: #include <iostream> template <class T> struct Test { ... is it a compiler tolerance? See Question&Answers more detail:os...

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

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Setting different lengths for grid gaps in CSS Grid

I'm creating a layout using CSS Grids, and I want to have different space between each row. I can create the layout ... row-4"></div> </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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Get *all* CSS attributes with jQuery

Here's how you get one css attribute using jQuery: $('someObject').css('attribute') How do you get them ... inline). Sorry for not specifying. See Question&Answers more detail:os...

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

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587 views

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c - Union element alignment

If I have a union, C standard guarantees that the union itself will be aligned to the size of the largest element. union U ... (&u.s == &u.c[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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css - @import styles not working in a media query

I am trying to import a style based off a media query but the import is not being triggered If i put styles ... } body{ background: green; } See Question&Answers more detail:os...

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

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css - display:table-cell not working on an input element

I want to do a portion of a form look like a spreadsheet. There are several forms and <table> is thus not ... model to get it look nice... See Question&Answers more detail:os...

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

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