startswith

问题 I am trying to write an xpath expression that selects all div tags that have an attribute id that start with CompanyCalendar. Below is a snippet of the HTML that I am looking at: <td class="some class" align="center" onclick="Calendar_DayClicked(this,'EventCont','Event');"> <span class="Text"></span> <div id="CompanyCalendar02.21" class="Pop CalendarClick" style="right: 200px; top: 235px;"></div> There are multiple divs that have an id like CompanyCalendar02.21 but for each new month in the

问题 I am trying to write an xpath expression that selects all div tags that have an attribute id that start with CompanyCalendar. Below is a snippet of the HTML that I am looking at: <td class="some class" align="center" onclick="Calendar_DayClicked(this,'EventCont','Event');"> <span class="Text"></span> <div id="CompanyCalendar02.21" class="Pop CalendarClick" style="right: 200px; top: 235px;"></div> There are multiple divs that have an id like CompanyCalendar02.21 but for each new month in the

问题 Looking for the correct syntax to do a str.startswith but I want more than one condition. The working code I have only returns offices that start with the letter "N": new_df = df[df['Office'].str.startswith("N", na=False)] Seeking a code that returns offices that can start with the letters "N","M","V",or "R". The following doesn't seem to work: new_df = df[df['Office'].str.startswith("N|M|V|R", na=False)] What am I missing? Thanks! 回答1: Try this: df[df['Office'].str.contains("^(?:N|M|V|R)")]

问题 I am collecting data from differnt sensors in various locations, data output is something like: df<-data.frame(date=c(2011,2012,2013,2014,2015),"Sensor1 Temp"=c(15,18,15,14,19),"Sensor1 Pressure"=c(1001, 1000, 1002, 1004, 1000),"Sensor1a Temp"=c(15,18,15,14,19),"Sensor2 Temp"=c(15,18,15,14,19),"Sensor2 Pressure"=c(1001, 1000, 1002, 1004, 1000)) The problem is (I think) similar to: Using select_ and starts_with R I want to search for sensors for example by location so I have a list to search

问题 This question already has answers here : Check first character of each line for a specific value in PowerShell (4 answers) Closed 3 years ago . Is there a way to check if a string starts with a string? We are checking the groupmembership from the AD user. Our AD groups look like this: S_G_share1_W The script for connecting the networkshares should only run if the groupname starts with "S_G_" , because we have some other groups too. $GroupArray = Get-ADPrincipalGroupMembership $env:USERNAME |

问题 I try to implement an A - Z navigation for my content with Elasticsearch. What I need, is displaying all results which begins with e.g. a,b,c,... etc. I've tried: "query": { "match_phrase_prefix" : { "title" : { "query" : "a" } } } The query mentioned above also display results, where within the string a word begins with a. Example: "title": "Apfelpfannkuchen", "title": "Affogato", "title": "Kalbsschnitzel a n A ceto Balsamico", I want to display only phrase where the FIRST word begins with a

问题 I'm trying to find a file based on the first 8 numbers i pull from an excel sheet for each iteration. Whenever I use the code below I get the error message "Local variable CaseID defined in an enclosing scope must be final or effectively final". I'm still new so i'm not sure how to fix this even though it sounds like a simple fix. The issue is happening at the caseID variable towards the bottom of the code. package Chrome; //CHROME import java.io.File; import java.io.FileFilter; import java

问题 I have a dataframe with about 100 columns that looks like Id Economics-1 English-107 English-2 History-3 Economics-zz Economics-2 \ 0 56 1 1 0 1 0 0 1 11 0 0 0 0 1 0 2 6 0 0 1 0 0 1 3 43 0 0 0 1 0 1 4 14 0 1 0 0 1 0 Histo Economics-51 Literature-re Literatureu4 0 1 0 1 0 1 0 0 0 1 2 0 0 0 0 3 0 1 1 0 4 1 0 0 0 so my goal is to leave only more global categories : just English, History, Literature, and write in these dataframe the sum of the value of its' components, for instance for English:

问题 I have a dataframe with about 100 columns that looks like Id Economics-1 English-107 English-2 History-3 Economics-zz Economics-2 \ 0 56 1 1 0 1 0 0 1 11 0 0 0 0 1 0 2 6 0 0 1 0 0 1 3 43 0 0 0 1 0 1 4 14 0 1 0 0 1 0 Histo Economics-51 Literature-re Literatureu4 0 1 0 1 0 1 0 0 0 1 2 0 0 0 0 3 0 1 1 0 4 1 0 0 0 so my goal is to leave only more global categories : just English, History, Literature, and write in these dataframe the sum of the value of its' components, for instance for English:

问题 I have the following: <article id="post-43" class="like"></article> <article id="post-56" class="like"></article> <article id="post-78" class="dislike"></article> <article id="bob" class="like"></article> I want to hide all the articles that have ID beginning with "post-" that also have the class "like" using jQuery. I have tried this: $('#show_likes').on('click', function() { $('input[name^="post-"].like').hide(); }); But it doesn't work. Can someone help? 回答1: Use article instead of input