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sql - PostgreSQL 9.3: Dynamic pivot table

I have a table called as matrix which contains two columns namely cola and colb as shown below: Table: matrix create table ... 0 0 0 0 0 0 1 See Question&Answers more detail:os...

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

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java - Spot problems with circular dependency

I am designing a system where two modules, one which gestions files and another users. For certain logic ... specific solution blow up. See Question&Answers more detail:os...

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

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Cascade Dropdown List using jQuery/PHP

Question: i have country dropdown list and region dropdown list. Region drop downlist should be populated with values ... </select> </form> See Question&Answers more detail:os...

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

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itext7 - Manipulate paths, color etc. in iText

I need to analyze path data of PDF files and manipulate content with iText 7. Manipulations include deletion/ ... read PDF data directly? See Question&Answers more detail:os...

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

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web applications - Using a variable from a VBScript in a ASP.Net website

I've been researching this for a majority of the day and can't find the answer. I am relatively new to ... not. Thank you for the help. See Question&Answers more detail:os...

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

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Netbean Java Swing, JPanel/Jlabel Cant cover whole Frame

I want to make my JLabel cover the whole frame but when i do so it wont cover the text field and ok ... icon in jlabel as background picture. See Question&Answers more detail:os...

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

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c++ - if statement not working right?

I've looked and looked with the debugger and cannot seem to figure out why the IF statement always prints the message. ... ) { ... Thanks guys. See Question&Answers more detail:os...

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

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How to enable BLOB-logging for a Node.js Api App on Azure?

I have a node.js api app on azure. I use bunyan to log every request to sdtout. How can I save and read ... my logs, that I printed to stdout? See Question&Answers more detail:os...

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

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Comparing with date in Oracle sql

I have a column 'creation_date' which is of type 'date', when I am querying my table for distinct records ... doing wrong in these two queries. See Question&Answers more detail:os...

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

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c# - WCF: There was no endpoint listening at, that could accept the message

I have WCF Service (JSON), and ASP.NET website that we add a service reference to that site connected to the ... , but the same issue appears. See Question&Answers more detail:os...

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

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x86 - Converting bin to hex in assembly

I'm beginner and I need help with converting 16-bit binary number to hex. I have done most of the code ... End of assembly with entry-procedure See Question&Answers more detail:os...

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

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r - Identifying points by color

I am following the tutorial over here : https://www.rpubs.com/loveb/som . This tutorial shows how to use the ... ,82,81,72 and 71? Thanks See Question&Answers more detail:os...

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

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ios - dateFromString returns nil for some values

I am getting nil for some values while using dateFromString in swift. I searched a lot but in vain. Following is ... . Where am I getting wrong? See Question&Answers more detail:os...

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

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javascript - Update Array in React

I am coming from Angular 1.x and looking to update an unordered list with React / Redux. In console.log, I am seeing the ... })} </ul> ); } } See Question&Answers more detail:os...

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

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execCommand insertHTML breaks stored window.getSelection()

When using methods of selecting text and restoring selected text in a page, I have found that running execCommand( ... then reselect the text. See Question&Answers more detail:os...

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

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javascript - Body animation isn't smooth

The "spaceShip" in the following code isn't moving smoothly at the beginning of holding any arrow key down. It ... seem to make much sense)? See Question&Answers more detail:os...

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

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html - PHP echo inside echo

I'm trying to call an HTML/PHP content that it's inside my database using: <?php echo $row_content['conteudo']; ... the line of the 1st echo. See Question&Answers more detail:os...

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

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C - What is this syntax about? <<

what does this sybol means please? "<<" for example: if (1 << var) I want the name of the thing to study. Thank you. See Question&Answers more detail:os...

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

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How to parse a string into a date object at JavaScript?

How to parse a string into a date object at JavaScript (without using any 3d party) that is at dd-MM-yyyy HH:mm (all of them numbers) format? See Question&Answers more detail:os...

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

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php - HEREDOC Returning unexpected end

The following snippet is causing an "PHP Parse error: syntax error, unexpected $end in /Applications/MAMP/htdocs3/nettuts ... /footer.html'); ?> See Question&Answers more detail:os...

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

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java - AlarmManager setInexactRepeating, setWindow, setRepeating methods do not fire alarm when called from within loop for week days

Requirement :- I need to fire alarm on selected days of a week and a date from which alarms would ... name="app_name">ReminderSample</string> See Question&Answers more detail:os...

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

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java - Transfer data from one Jframe to another jframe using static class or this reference?

I have one jFrame and its have one jTextbox and a button. Another jFrame have a single jLabel. I want to ... class or by calling this reference. See Question&Answers more detail:os...

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

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Oracle: Days between two date and Exclude weekdays how to handle negative numbers

I have two date columns and trying to measure days between the two dates excluding weekends. I'm getting a negative ... ' THEN 1 ELSE 0 END) See Question&Answers more detail:os...

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

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684 views

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jquery - javascript - dynamic variables

Hi I am trying to make dynamic variables but it is saying `variable v0 (through to v5) is not defined. ... any help would be muchly appreciated. See Question&Answers more detail:os...

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

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c - Segmentation Fault error in 3D array memory allocation

I have a pointer variable int ***a in C. I'm passing it to a function as &a i.e reference. In the function I'm getting ... i,j,k,a[i][j][k]); } See Question&Answers more detail:os...

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

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itext java pdf to text creation

I use a itext for converting pdf to text file, it works good actually but for some words it do the following ... block e.printStackTrace(); } } See Question&Answers more detail:os...

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

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TypeScript dependent string literal properties and indexing

Similar to Typescript: Type of a property dependent on another property within the same object I want a type where ... How can I solve this? See Question&Answers more detail:os...

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

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hadoop - Hive: Add partitions for existing folder structure

I have a folder structure in HDFS like below. However, no partitions were actually created on the table using the ... csv /file0001.csv ...etc See Question&Answers more detail:os...

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

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