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syntax error - Is pass by reference supported in php 7?

Recently we migrated PHP 5.6 to PHP 7 and now following code throws $this->a =& new test($this->f); Parse ... -parse-error-syntax-error-unexpected-new-t-new-and-its-always-because...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How can i transfer a DATABASE_NAME from sharedpreferences to my SQLiteOpenhelper class?

`In my MainActivity3, i use a function lire(), i retrieve DATABASE_NAME private String lire() { ... i-transfer-a-database-name-from-sharedpreferences-to-my-sqliteopenhelper...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Why is my $_FILES empty given the following code?

In my frontend PHP page I have a simple upload file input object: <input type="file" v-on:change="fileAdded" ... /questions/65925472/why-is-my-files-empty-given-the-following-code...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Multiple plots in a page with R

I have a problem. I want to arrange 7 plots in a single page: 3 plots in a top line, 2 plots below ... https://stackoverflow.com/questions/65925457/multiple-plots-in-a-page-with-r...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vba - Disappearing Form

I'm working on an access form that contains a combo box and other controls. When I click on button ... question from:https://stackoverflow.com/questions/65925333/disappearing-form...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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SQL: Using AVG() in a Greater or Lesser Then to only return those rows

SELECT name, population FROM countries WHERE population > AVG(population); In case more additions are added, I cannot keep ... in-a-greater-or-lesser-then-to-only-return-those-rows...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Maximum number of HTML ids for CSS reference in single page

If I execute the following code in Python: df = pd.DataFrame(np.random.rand(20000, 3), columns=['key1', ' ... /65925319/maximum-number-of-html-ids-for-css-reference-in-single-page...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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translate - How to get/extract the symbolic meaning of integer values in a SNMP MIB file for every OID?

Some OIDs returns an integer value that is not a measure, instead it means a state or condition. For instance, the ... -symbolic-meaning-of-integer-values-in-a-snmp-mib-file-for...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Is it possible to execute Typescript code inside of Unity?

I have this project that has a frontend based in React and PixiJS, a server in NodeJS, and a module that ... /65925259/is-it-possible-to-execute-typescript-code-inside-of-unity...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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matlab - SVM using fitcsvm with custom kernel

I am training a linear SVM classifier with the fitcsvm function in MATLAB using different kernels (with flag ... .com/questions/65925148/svm-using-fitcsvm-with-custom-kernel...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Draw a box around some of the plots when using `facet_wrap` in ggplot2

I created the following plot with panels using ggplot(): ggplot(merged.table, aes(x=iter, y=freq,group=var)) + ... -box-around-some-of-the-plots-when-using-facet-wrap-in-ggplot2...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Haproxy cookie prefix in backend configuration doesn't append server name

The Haproxy is configured as a load balancer and there are a couple of backend servers. A call to a ... /haproxy-cookie-prefix-in-backend-configuration-doesnt-append-server-name...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Destructuring in php

Is it possible to use javascript like destructuring to create an associative array from variables with variable ... ://stackoverflow.com/questions/65925096/destructuring-in-php...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Uploading duplicated files with Django when reloading page

I'm trying to upload some files and I'm having problems with duplication. To uploading the file I ... questions/65925084/uploading-duplicated-files-with-django-when-reloading-page...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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combine - Data from ObservedObject not rendered in SwiftUI view

I use combine to connect to a REST API which pulls some data into an ObservableObject. The whole setup ... questions/65925048/data-from-observedobject-not-rendered-in-swiftui-view...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python: I have a string like this [3000,0.17],[3050,0.17],[3100,0.01] and would like to convert it to a list

Elements of the list should be: '[3000,0.17]','[3050,0.17]','[3100,0.01]' to my understanding I cannot use .split(', ... -a-string-like-this-3000-0-17-3050-0-17-3100-0-01-and-would...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - randomly swap elements of two columns pandas dataframe

how to randomly swap elements of two columns pandas DataFrame with given probability? Doing this takes very ... /65926033/randomly-swap-elements-of-two-columns-pandas-dataframe...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Using WebClient keeps changing json to text/plain for Content-Type

I'm using WebClient and I set the headers to JSON yet when I look at Fiddler, it shows text/plain. I ... 65925984/using-webclient-keeps-changing-json-to-text-plain-for-content-type...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Manually define function signature in documentation

I'm writing a function whose parameters are not necessarily known to me. How can I declare the ... .com/questions/65925949/manually-define-function-signature-in-documentation...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Excel VBA Replace the nth word in a string

my problem is the following: I have two sets of strings. The "words" are separated with "+". String 1: A25+ ... .com/questions/65925943/excel-vba-replace-the-nth-word-in-a-string...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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web - Python to extract Graph Data

How can I use python to extract data from graphs like this https://rl.insider.gg/en/pc/fennec But in ... :https://stackoverflow.com/questions/65925901/python-to-extract-graph-data...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Tensorflow for Node GPU doesn't release memory

Using @tensorflow/tfjs-node-gpu 3.0.0 and CUDA 10.0 on Ubuntu 20.04 // Prepares and returns ... stackoverflow.com/questions/65925898/tensorflow-for-node-gpu-doesnt-release-memory...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Regular expression to stop at first match

My regex pattern looks something like <xxxx location="file path/level1/level2" xxxx some="xxx"> I am only interested in the ... 65925836/how-can-i-make-this-regex-take-the-left-1-1...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JButton wont change size or position on JPanel

I added a button into JPanel and tried to change the size and the position of the button. I've tried ... .com/questions/65925774/jbutton-wont-change-size-or-position-on-jpanel...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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app store - How to change the age rating on iOS?

I finished my first mobile app, available in the Google Play Store. But when I tried to publish it on the App ... .com/questions/65925741/how-to-change-the-age-rating-on-ios...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Automatic data range breakdown on multiple tables for queries in Athena (Presto)

I have a large table that consists of hourly aggregates in Athena, and users would like to run some queries ... -range-breakdown-on-multiple-tables-for-queries-in-athena-presto...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - How to make Oracle sqlplus spool query results to a file?

Using SQL Plus, I run this script set colsep , set headsep off set pagesize 0 set trimspool on set linesize 67 ... /how-to-make-oracle-sqlplus-spool-query-results-to-a-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to get Grand Total of a column using Webdatarocks and use it in charts

I am using Webdatarocks Pivot table. I get GrandTotal at the bottom of Grid, I want use this Grand Total in the ... grand-total-of-a-column-using-webdatarocks-and-use-it-in-charts...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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