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Request paramter value is truncated to first part when it contains spaces

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问题 I have a strange issue with dropdown boxes in jsp/servlet. Here it is... <select name="locdropdown" onchange="javascript:change()" > <% for(LocationDO locationDO : locationList){%> <option value=<%=locationDO.getLocationName().trim()%>><%=locationDO.getLocationName().trim()%></option> <%} %> </select> values displayed are: BI Sholingar BI Mahindra City BI Sanand Rolltec_DTA Aztec Auto Ltd BI Gurgoan and here is how I try to read it in servlet. String locclasses = req.getParameter("locdropdown

Ruby programming: How to truncate IP address?

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问题 For various purposes I find myself needing to truncate an IP address, I need to alter an IP address within my program from (xx.x.x.x) to (xx.x.x.1) by changing the last number after the final "." in the string to the value of 1. I theorise that this could be achieved by either truncating the string from the very end up to the final ".", and adding a "1" onto the end of it, or somehow by ordering the program to alter the string value after the final "." to be equal to 1 - none of which i know

Getting PHP code to recognize special characters

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问题 I have this text simulator that allows the visitor to choose their specific desired font and the number of lines they desire. This functionality would be similar to previewing on ThingsRemembered.com so you can see what the item looks like before you purchase it. It works well, however certain special characters do not work in the simulator. These are as follows: # - Does not appear & - truncates this and anything after it + - Does not appear \ - Does not appear ' - Erases entire line I

mysql load data local infile syntax issues with set fields

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问题 I'm trying to use mysql's LOAD DATA LOCAL INFILE syntax to load a .csv file into an existing table. Here is one record from my .csv file (with headers): PROD, PLANT,PORD, REVN,A_CPN, A_CREV,BRDI, DTE, LTME 100100128144,12T1,2070000,04,3DB18194ACAA,05_01,ALA13320004,20130807,171442 The issue is that I want 3 extra things done during import: A RECORDID INT NOT NULL AUTO_INTEGER PRIMARY_KEY field should be incremented as each row gets inserted (this table column and structure already exists

MS SQL Server 2008R2 : How to retrieve the content of a large text column?

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问题 I had a table with a column named xml_cache , containing large number of characters up to 80,000. The column is declared as nvarchar(max) . I had problem retrieving the content of this column using SQL Management Studio SELECT [xml_cache], * FROM [dbo].[NZF_topic] AS nt WHERE nt.id LIKE '%nzf_1609%' Wwhen I ran this SQL, the output grid contain truncated data, exactly at the 43680-th characters. See the output grid: screenshot - large size: How do I retrieve the whole content of this column

Google Chart Tools truncating y axis labels

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Working with a Google bar chart , here is what I got: Here my custom options var options = { width: 500, height: 240, legend : 'none', vAxis:{title:'Answers',textStyle:{color: '#005500',fontSize: '12', paddingRight: '100',marginRight: '100'}}, hAxis: { title: 'Percentage', textStyle: { color: '#005500', fontSize: '12', paddingRight: '100', marginRight: '100'} } }; Can't I set a width for these <g> / <rect> tags? I believe the chartArea.left option is what you are looking for. Try something like this, and mess around with chartArea.left and chartArea.width values (should add up to your total

mysql 日期字段的异常 Data truncated for column 的处理

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mysql 的date类型的支持范围是1000-01-01到9999-12-31 datetime类型的支持范围是1000-01-01 00:00:00 到 9999-12-31 23:59:59 如果尝试把超出范围的值插入数据库中，则会报标题中的错误。有效的处理方法有两种： 1、程序中检查日期的范围，当超出时给出提示或其他处理 2、在 mysql 安装目录的 my.ini 里找到 sql-mode=”STRICT_TRANS_TABLES,NO_AUTO_Create_USER,NO_ENGINE_SUBSTITUTION” 把其中的 STRICT_TRANS_TABLES,去掉,然后重启mysql。采用第二种方法的时候，当日期超出范围时，插入数据库时不报错，但会是一个0000-00-00 或者0000-00-00 00:00:00 来源： oschina 链接： https://my.oschina.net/u/100569/blog/37308

list output truncated - How to expand listed variables with str() in R

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I have a data.frame df with 600+ variables. I'm writing a function that automates the creation of columns and need to visually check them once. The str function provides a good summary: str(df) 'data.frame': 29 obs. of 602 variables: $ uniqueSessionsIni: POSIXct, format: "2015-01-05 15:00:00" "2015-01-05 16:00:00" "2015-01-05 17:00:00" ... $ uniqueSessionsEnd: POSIXct, format: "2015-01-05 15:59:00" "2015-01-05 16:59:00" "2015-01-05 17:59:00" ... $ m0p0 : POSIXct, format: "2015-01-05 15:00:00" "2015-01-05 15:00:00" "2015-01-05 15:00:00" ... $ m1p0 : POSIXct, format: "2015-01-05 15:01:00" "2015

`Math.trunc` vs `|0` vs `<<0` vs `>>0` vs `&-1` vs `^0`

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I have just found that in ES6 there's a new math method: Math.trunc . I have read its description in MDN article , and it sounds like using |0 . Moreover, <<0 , >>0 , &-1 , ^0 also do similar things (thanks @kojiro & @Bergi). After some tests, it seems that the only differences are: Math.trunc returns -0 with numbers in interval (-1,-0] . Bitwise operators return 0 . Math.trunc returns NaN with non numbers. Bitwise operators return 0 . Are there more differences (among all of them)? n | Math.trunc | Bitwise operators ---------------------------------------- 42.84 | 42 | 42 13.37 | 13 | 13 0

Drawing pseudorandoms from a truncated normal distribution

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Matlab has the function randn to draw from a normal distribution e.g. x = 0.5 + 0.1*randn() draws a pseudorandom number from a normal distribution of mean 0.5 and standard deviation 0.1. Given this, is the following Matlab code equivalent to sampling from a normal distribution truncated at 0 at 1? while x <=0 || x > 1 x = 0.5 + 0.1*randn(); end Using MATLAB's Probability Distribution Objects makes sampling from truncated distributions very easy. You can use the makedist and truncate functions to define the object and then modify (truncate it) to prepare the object for the random function which