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226 views

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Need to write at beginning of file with PHP

I'm making this program and I'm trying to find out how to write data to the beginning of a file rather than ... .com/questions/1760525/need-to-write-at-beginning-of-file-with-php...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

1 answer

TypeScript: Cannot read property 'push' of undefined in [null]

Error: Cannot read property 'push' of undefined in [null]. class A implements OnInit { stringArr: string[]; ... /35689140/typescript-cannot-read-property-push-of-undefined-in-null...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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585 views

1 answer

resources - Setting application info in a Qt executable file on Windows

Anyone have an tips on setting the application info (ie. right click on .exe->properties) from Qt? I can ... /2784697/setting-application-info-in-a-qt-executable-file-on-windows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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463 views

1 answer

Jquery not working in angular 6 Error: ENOENT: no such file or directory, open '... ode_modulesjquerydistjquery.min.js'

I am in process migrating Angular 5 project to Angular 6. While starting application by npm start getting the below ... in-angular-6-error-enoent-no-such-file-or-directory-open...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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Django column "name" of relation "django_content_type" does not exist

I keep getting the following error when doing a migration (python manage.py migrate): django.db.utils. ... column-name-of-relation-django-content-type-does-not-exist...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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148 views

1 answer

ios - Simple App Delegate method to show an UIAlertController (in Swift)

In obj-C when another iOS app (mail attachment, web link) was tapped with a file or link associated ... 26627511/simple-app-delegate-method-to-show-an-uialertcontroller-in-swift...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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411 views

1 answer

sublimetext - Sublime Text 2 - Auto-complete/suggest from other files

Say I have 2 files: foo bar baz and 123 456 f[want autocomplete here] If I type 1 in the 2nd file, ... .com/questions/9081846/sublime-text-2-auto-complete-suggest-from-other-files...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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474 views

1 answer

jodatime - Get first day of a particular week in Joda-Time? java

In Joda-Time, is there a way to get the date of the first day of the week(monday). for instance i want to ... questions/4760147/get-first-day-of-a-particular-week-in-joda-time-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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663 views

1 answer

Android percent screen width in RecyclerView item

How would I get a RecyclerView's item height to be, say, 30% of the screen's height? I ... stackoverflow.com/questions/51201482/android-percent-screen-width-in-recyclerview-item...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

1 answer

linux - Invalid command ‘Order’, perhaps misspelled or defined by a module not included in the server configuration failed

when i try to start or restart my apache server , i get bellow message : Syntax error on line 162 of / ... -command-order-perhaps-misspelled-or-defined-by-a-module-not-included...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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91 views

1 answer

c# - Are structs 'pass-by-value'?

I've recently tried to create a property for a Vector2 field, just to realize that it doesn't work as ... :https://stackoverflow.com/questions/9251608/are-structs-pass-by-value...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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138 views

1 answer

javascript - How to use nestjs Logging service

I tried to use the internal Logger of nestjs (described on https://docs.nestjs.com/techniques/logger -> ... /stackoverflow.com/questions/52650895/how-to-use-nestjs-logging-service...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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370 views

1 answer

text rendering - font-weight:700 or font-weight:bold which one we should follow in CSS?

I have seen some websites, which mentioned in CSS - font-weight: 700 or font-weight: bold. But both results are ... -weight700-or-font-weightbold-which-one-we-should-follow-in-css...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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185 views

1 answer

Does Scala have a library method to build Option-s that takes into account empty strings?

I want to filter out empty strings to put them into an Option. So I quickly built this now: def StrictOption(s: ... a-library-method-to-build-option-s-that-takes-into-account-empty...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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422 views

1 answer

java - Could not transfer artifact (https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version -> [Help 1]

I am new to Maven and trying to setup my first project in Maven but receiving the below error message when ... not-transfer-artifact-https-repo-maven-apache-org-maven2-received-fat...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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243 views

1 answer

scripting - What does the ampersand indicate in this bash command 1>&2

Quick one, 2>&1 redirects stderr to stdout, but what does the ampersand mean? I know if we had 2 > 1 ... questions/2341023/what-does-the-ampersand-indicate-in-this-bash-command-12...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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167 views

1 answer

How to add class, id, placeholder attributes to a field in django model forms

I have a django model like below models.py class Product(models.Model): name = models.CharField(max_length = 300 ... -id-placeholder-attributes-to-a-field-in-django-model-forms...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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120 views

1 answer

html - background: fixed no repeat not working on mobile

I am building a webpage where I want the background image to scale to fit the whole screen, maintain aspect ... /questions/26372127/background-fixed-no-repeat-not-working-on-mobile...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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128 views

1 answer

Awk/Unix group by

have this text file: name, age joe,42 jim,20 bob,15 mike,24 mike,15 mike,54 bob,21 Trying to get ... question from:https://stackoverflow.com/questions/14916826/awk-unix-group-by...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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203 views

1 answer

php - Laravel Eloquent display query log

use AppOrder; public function show(Order $order){ $data = $order->all(); return dd($order->getQueryLog ... //stackoverflow.com/questions/41140975/laravel-eloquent-display-query-log...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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170 views

1 answer

jquery - Is there a version of $getJSON that doesn't use a call back?

I am implementing a callback for a 3rdParty javascript library and I need to return the value, but I need to get the ... /is-there-a-version-of-getjson-that-doesnt-use-a-call-back...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

100 views

1 answer

android - Save bitmap to file function

I'm trying to save a bitmap to file and a specific directly using a function I've created. It's not ... :https://stackoverflow.com/questions/11274715/save-bitmap-to-file-function...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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119 views

1 answer

php - How can I count the numbers of rows that a MySQL query returned?

How can I count the number of rows that a MySQL query returned? question from:https://stackoverflow.com/questions/607264 ... i-count-the-numbers-of-rows-that-a-mysql-query-returned...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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381 views

1 answer

objective c - Play music in the background using AVAudioplayer

I want to play music even if the app goes in background. I checked all stackoverflow links but none of ... .com/questions/7619794/play-music-in-the-background-using-avaudioplayer...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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448 views

1 answer

swift - Strings in Switch Statements: 'String' does not conform to protocol 'IntervalType'

I am having problems using strings in switch statements in Swift. I have a dictionary called opts which is ... in-switch-statements-string-does-not-conform-to-protocol-intervaltyp...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

349 views

1 answer

Add mysqldump to MAMP (MySQL /w Apache PHP on MacOS X)

I wonder how I can add mysqldump to my MAMP environment. I googled a bit and found only the community MySQL server ... 3268789/add-mysqldump-to-mamp-mysql-w-apache-php-on-macos-x...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

394 views

1 answer

Manage empty list/invalid input when finding max/min value of list (Python)

I'm finding max value and min value of a list by using max(list) and min(list) in Python. However, I wonder ... -empty-list-invalid-input-when-finding-max-min-value-of-list-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

269 views

1 answer

Check if a String is ALL CAPS in PHP

What's the best way to see if a string contains all capital letters? I still want the function to return true if the ... .com/questions/4211875/check-if-a-string-is-all-caps-in-php...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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