multiple-columns | 易学教程

Access selecting combobox column in VBA returns “function not defined”-error

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问题 when trying to access a specific column value of my combobox in VBA, I will get a runtime error telling me the "function is not defined". Is there any mistake in my calling structure or another error? I cleared the Topics-table completely before and now want to insert the new data from the combobox with two coulmns: strAdd = "INSERT INTO TopicsTbl ( TopicName, CategoryID, CategoryName) " & _ "VALUES (Forms!frmAdd_Rename_Delete_Topic!txtTopicName, Forms!frmAdd_Rename_Delete_Topic

Map one value to multiple columns in JPA

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问题 I get an input value from the user and store it into the DB. I use JPA to write into DB. If I need to store the input value into 2 columns in the DB, what is the annotation I must use? Code below. I need to store user input - (stored in Bean field UserOrderDetails.noOfItemsSelected) into 2 columns in the DB table NoOfItemsSelected and NoOfItemsDispatched. What annotation should I use? The catch is that I do not want to add a field for NoOfItemsDispatched in the Entity Bean. DB Table: create

How to use jquery columnize with angularJs

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问题 I want to use the columnize plugin from jquery to set up columns in my AngularJS app. My super naive approach was: .directive('columnize', function() { return { restrict: 'A', link: function(scope, iElement, iAttrs) { $(iElement).columnize({columns: 2}); } }; }); With this HTML code: <ol class="questions" columnize> <li ng-repeat="question in questions" class="question"> <span>{{question.text}}</span> <ul class="choices" sortable="question.choices"> <li ng-repeat="choice in question.choices">

sql select a field into 2 columns

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问题 I am trying to run below 2 queries on the same table and hoping to get results in 2 different columns. Query 1: select ID as M from table where field = 1 returns: 1 2 3 Query 2: select ID as N from table where field = 2 returns: 4 5 6 My goal is to get Column1 - Column2 ----------------- 1 4 2 5 3 6 Any suggestions? I am using SQL Server 2008 R2 Thanks 回答1: There has to be a primary key to foreign key relationship to JOIN data between two tables. That is the idea about relational algebra and

Subsetting columns works on data.frame but not on data.table

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问题 I can select a few columns from a data.frame : > z[c("events","users")] events users 1 26246016 201816 2 942767 158793 3 29211295 137205 4 30797086 124314 but not from a data.table : > best[c("events","users")] Starting binary search ...Error in `[.data.table`(best, c("events", "users")) : typeof x.pixel_id (integer) != typeof i.V1 (character) Calls: [ -> [.data.table What do I do? Is there a better way than to turn the data.table back into a data.frame? 回答1: Column subsetting should be done

Extra space at the bottom of CSS columns

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问题 I have a container that has images inside. I use CSS columns and media queries to determine my layout. I put a paragraph tag at the bottom and noticed extra space at the bottom of it. Here's what i'm talking about in this fiddle. http://jsfiddle.net/sEe7x/11/. The weirdness is happening at the yellow and orange break points. Does anyone know what is causing this? Here's my code -- HTML -- <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content

Efficient way to read columns in a file using Perl

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问题 I have an input file like so, separated by newline characters. AAA BBB BBA What would be the most efficient way to count the columns (vertically), first with first, second with second etc etc. Sample OUTPUT: ABB ABB ABA I have been using the following, but am unable to figure out how to remove the scalar context from it. Any hints are appreciated: while (<@seq_prot>){ chomp; my @sequence = map substr (@seq_prot, 1, 1), $start .. $end; @sequence = split; } My idea was to use the substring to

Rails 4 Bootstrap 3.3, media queries causing error

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问题 I am a newb, but I'm trying something that I think should be easy, but I'm getting a rails server error. I want my text to break into columns for larger devices. I have in my html: <div class="col"> <p> Ricter Web Printing... </p> </div> my css.scss has: .col { @media (min-width: @screen-hs-min) { /* rules for mobile horizontal (480 > 768) */ -webkit-column-count: 1; /* Chrome, Safari, Opera */ -moz-column-count: 1; /* Firefox */ column-count: 1; } @media (min-width: @screen-sm-min) { /*

Split a numeric dataframe into all possible combinations of 2 columns in R

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问题 I am trying to split the columns of a dataframe to find pmcc of all possible combinations of (two)columns from a dataframe containing n columns, e.g. in this case, with 3 columns Length Diameter Height 0.455 0.365 0.095 0.350 0.265 0.090 0.530 0.420 0.135 0.440 0.365 0.125 0.330 0.255 0.22 here I have to find pmcc for all combinations, eg, (length, diameter), (diameter, height), etc. Any help! Thanks 回答1: data.frame(z = rnorm(100, 2), y = rnorm(100, 4), x = rnorm(100, 6)) -> frame combn

Magento: Multi-column dropdown menu

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问题 I'm using Magento CE 1.6. Briefly: I found exactly what I'm looking for here, but it seems like it doesn't work for Magento version 1.6; it's unzipped in the Magento catalog and enabled in the administration panel, but the menu doesn't change at all. If there's no solution for this extension, is there any free alternative? Thank you in advance! 回答1: Solution found: Ensure that the files in the extension goes to the "base" package catalogs; otherwise it will only affect the "default" package.