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In CSS, what is the difference between cascading and inheritance?

In CSS, what is the difference between cascading and inheritance? Or are both the same thing? See Question&Answers more detail:os...

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javascript - Is there a way to detect which side the Alt key was pressed on (right or left)?

Is there a way that we can detect which side the Alt key was pressed on, i.e. distinguish between left or ... alert(window.event.altLeft); } } See Question&Answers more detail:os...

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c++ - error: cannot convert 'const wchar_t [13]' to 'LPCSTR {aka const char*}' in assignment

// include the basic windows header file #include <windows.h> #include <windowsx.h> // the WindowProc function prototype ... , 1 warnings ===| See Question&Answers more detail:os...

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r - Merge dataframes, different lengths

I want to add variables from dat2: concreteness familiarity typicality amoeba 3.60 1.30 1.71 bacterium 3.82 3.48 2. ... ), class = "data.frame") See Question&Answers more detail:os...

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html - Attach event listener through javascript to radio button

I have several radio buttons with the same name. Like this: <form name="formA"> <input type="radio" name="myradio ... { alert(radio.value); } } See Question&Answers more detail:os...

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animation - jQuery animate height

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Joining tables from different servers

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Using CSS to make table's outer border color different from cells' border color

I want to use CSS to set a color of the outer border of the table ... Then the inner cells would have ... that fixed with border-width:1px ? See Question&Answers more detail:os...

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return type of main in java

I like to know why only void return type for main method in java. public static void main(String [] args) ... than void for main method. Thanks See Question&Answers more detail:os...

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tsql - T-SQL calculate moving average

I am working with SQL Server 2008 R2, trying to calculate a moving average. For each record in my view, I ... data within a range of records. See Question&Answers more detail:os...

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javascript - onClick event in a For loop

I've tried to create a loop with a for, and increment by an onclick event, but it doesn't work. A part of js : ... 't know if it's the good way. See Question&Answers more detail:os...

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printf - Unsigned values in C

I have the following code: #include <stdio.h> int main() { unsigned int a = -1; int b = -1; printf("%x ... Then, what is the unsigned word for? See Question&Answers more detail:os...

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javascript - Only allow certain characters to be entered in html textinput

I just need to allow a user to enter the following characters in the textinput: a-zA-Z0-9!@#$%^*_| <form action ... " and "{" etc. Any Thoughts? See Question&Answers more detail:os...

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jQuery: Making simultaneous ajax requests, is it possible?

I am using jQuery to try and retrieve multiple pieces of data at the same time. The background of the requirement is ... url: "foo3.php" }); See Question&Answers more detail:os...

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How do I programmatically set default table properties for CKEditor?

I am trying to set up the default properties of table that is created inside CKEditor. For example is there a way ... is by default set to 100%. See Question&Answers more detail:os...

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php - MySQL Stored Procedure vs. complex query

How is the performance of a Stored Procedure? Is it worth using them instead of implementing a complex query in a PHP/MySQL call? See Question&Answers more detail:os...

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mysql - PHP PDO with foreach and fetch

The following code: <?php try { $dbh = new PDO("mysql:host=$hostname;dbname=$dbname", $username, $password); ... sex-male Why does this happen? See Question&Answers more detail:os...

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Traditional logging vs AOP logging

I'm starting this new project and we are thrashing out our logging/debugging approach and I wanted to put ... use case for logging/profiling? See Question&Answers more detail:os...

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unix - How do I change a shell scripts character encoding?

I am using Gina Trapiani's excellent todo.sh to organize my todo-list. However being a dane, it would be nice if the ... me how to fix this! :) See Question&Answers more detail:os...

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Use OpenLayers 4 with Angular 5

I'm trying to use OpenLayers 4 in Angular 5. Basically I just want to implement the QuickStart example from ... to get this working correctly? See Question&Answers more detail:os...

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xcode - SQLITE_TRANSIENT undefined in Swift

I'm using xcode 6 and I've imported libsqlite3.dylib and libsqlite3.0.dylib. I've also added the Bridging- ... Stack, pls somebody help me! See Question&Answers more detail:os...

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firebase - Nested arrays are not supported

The new Firebase database Firestore says Function DocumentReference.set() called with invalid data. Nested arrays are not ... I save it instead? See Question&Answers more detail:os...

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Self-unrolling macro loop in C/C++

I am currently working on a project, where every cycle counts. While profiling my application I discovered that the ... Boost for this project. See Question&Answers more detail:os...

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php - Composer running out of memory on every project, Mac OS X

I attempted to install aws/aws-sdk-php yesterday on one of my Laravel 4 projects using Composer, I cannot ... minimum-stability": "dev" } See Question&Answers more detail:os...

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ODBC prepared statements in PHP

I'm trying to use odbc_prepare and odbc_execute in PHP as follows: $pstmt=odbc_prepare($odb_con,"select * from configured ... in PHP 5.2.8 See Question&Answers more detail:os...

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tomcat7 - How is Tomcat handled by IntelliJ IDEA 10.5

I am a newbie to IntelliJ IDEA. I was trying to deploy a web app in Tomcat. It failed to deploy and i was not ... edition on Mac OS 10.6.8. See Question&Answers more detail:os...

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c# 4.0 - C# ModInverse Function

Is there a built in function that would allow me to calculate the modular inverse of a(mod n)? e.g. 19^-1 = 11 ( ... case the 19^-1 == -11==19; See Question&Answers more detail:os...

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c# - Unable to find the requested .Net Framework Data Provider. It may not be installed

Hi it is my first time that I publish a project deveolped with entity framework in a remote server. The pages ... or modify my web.config? See Question&Answers more detail:os...

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

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