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reactjs - this.setState() not working properly - react.js
    componentWillMount() { let dID=this.props.match.params.datumID; this.setState({datumID: dID}); console.log(dID); ... Second console.log(): null See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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java - Trying to add an event listener to a JTextField
    I'm trying to add an event listener so when you press enter in the JTextField something happens. So far I've ... . Shouldn't this be working? See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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bash - Monitor a log file using tail -f
    Need some guidance Monitor a application log file(log rotation is daily)using tail-f, if exception in log file need to send alert using script. See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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sql - Getting an error when creating a calculated column within a query
    I getting this error message when I execute the code below. What I am trying to get is use the ... (aa.SBM_EVAL_QUES_CAT_BL = 'AD Assessment' AND aa.SBM_EVAL_QUES_DESC_BL =...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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php - PDO Prepared statement Inside a class
    I am trying to use an update method inside my Database class where I could be able to update a record. I am ... what am I doing wrong? Thanks See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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java - Syntax error at else, delete this token
    import java.util.Scanner; public class Menu { public static void main(String[] args) { Scanner sc = new Scanner ... Filler Filler- Thankyou! :) See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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Menu Icon is not showing in Android
    I want to put icon in my menu item but icon is not showing i tried app:showAsAction="always" this but ... Solved this error.Thanks in advance! See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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awk - how to extract path from string in shell script
    i need to extract path from string for e.g title="set key invert ; set bmargin 0 ; set multiplot ... 20171003101438149255.dat using awk or grep See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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Spark - java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy
    I have a dataframe with Schema : root |-- QUERY: string (nullable = true) |-- TYPE: ... spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:114) at org.ap...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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javascript - Pass Uploaded Image in document.getElementById instead of canvas
    We are displaying box image & mask images by fetching json. User will click on Mask image & upload their own image. ... 'image_set' + settings.id, true) return settings.id; };...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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Is there a way to exclude an HTML span from appearing in copy-and-paste?
    I have a large, multiline body of HTML, resulting from applying an explicit line breaking algorithm to a text ... Is there some other way? See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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dplyr - Using R Separate_Rows doesn't work with a "|"
    Have a CSV file which has a column which has a variable list of items separated by a |. I use the code ... here on how to separate this column? See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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python - multiply list of ndarrays by list
    I want to multiply a list of numbers, by a ndarray, that is, each number in the list multiply by the first ndarray ... nan, nan, nan, 763.8852] See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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How to store data in angularjs for pagination and send it as response
    My requirement is I have to store large amount of data using angular for pagination. This data will come from ... angular?. Thanks in advance. See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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vba - How to send email reminder from code
    Sub SendReminderMail() Dim OutlookApp As Object Dim OutLookMailItem As Object Dim iCounter As Integer Dim MailDest As ... "set reminder" text See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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java - How to output an ASCII star patterns in a table format?
    I need help with my code issue. I have to write a program that displays a star pattern in a table format. I am ... ); } System.out.println(); } See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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javascript - How can I restructure a JS object?
    I have a list of appointments structured like so (taken from JSON format): var oData = { "data": { ... practice to perform something like this? See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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excel - Check if Word instance is running
    I wrote Excel VBA to check whether any instance of Word is already running, but some problems are occurring. If ... Set wdApp = Nothing End Sub See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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python - return and print does not give same result
    what I'm trying to do is take the entered string separated by commas and change it to list then for each list ... 2, none output with return 1 See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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javascript - Convert C# model to plain json-string
    Is there any simple way to convert an C#-object into a plain string that is escaped and can be used by javascript? ... ; }, dataType: "JSON" }) See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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php - Values are not getting fetched in admin login process in codeigniter
    I Have created a controller named Admin.php class Admin extends CI_Controller { function __construct(){ parent:: ... .. thanks in advance See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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iphone - Is there a way to control assistive touch in application?
    I want the assistive touch to automatically slide to Left side of my iPhone when open my application and the app ... to acheive this? Thanks. See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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c# - How to get variable from form1 to form2 with { get; set;}?
    All. I'm newbie in C#. I know this is very popular question. But I didn't understand. I know there is a mistake, ... ; label1.Text = test; } } } See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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c# - How to remove any given string pairs from text
    Unfortunately my regex skills are very bad I would like to code a function that can remove any given pair ... https://dotnetfiddle.net/mA3waq See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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sql - Using distinct for specific column in oracle
    Followinq query is possible in oracle select DISTINCT(COLA), COLB from TABLEA In this query, Will this query ... will this query throws error? See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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How to create a packet in C#
    I always wondered how could a game generate a packet like this: 22 00 11 00 6D 79 75 73 65 72 6E 61 6D 65 ... packet like the one above, in C#. See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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NiFi using Clickhouse Driver NoClassDefFoundError
    In NiFi i use Clickhouse Driver. When i "enable" DBCPConnectionPool with driver, i get java.lang. ... MapMaker. screen of settings See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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xml - Create a dynamic XSL and generate html
    Need improvement for the same question here Create a dynamic XSL based on XML I am having my XML as follows <?xml ... [index2] </td> </tr> See Question&Answers more detail:os...
asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)
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