378 solutions found in general-dev
Page 19 of 19votes
When we run this command (ionic lab) then it show this error. how we solve it.. <!-- begin snippet: js hide: false console: true babel: false -->...
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I would like to know more about the `attachments` option in `\exextra`. Does this option allow the attachment(s) from students when they are submitting their an...
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i have 2 Apache servers and 2 Loadbalance servers and one File server(centos 7)and i am using maria db cluster. i want to download som file from students i f...
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If I have a YouTube video URL, is there any way to use PHP and cURL to get the associated thumbnail from the YouTube API?
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In PHP 5, what is the difference between using `self` and `$this`? When is each appropriate?
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I have an HTML (not XHTML) document that renders fine in Firefox 3 and IE 7. It uses fairly basic CSS to style it and renders fine in HTML. I'm now afte...
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In PHP: - When should I use `require` vs. `include`? - When should I use `require_once` vs. `include_once`?
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When and why should I use `public`, `private`, and `protected` functions and variables inside a class? What is the difference between them? Examples:...
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I am trying to install version 1.2.2 of `MySQL_python`, using a fresh virtualenv created with the `--no-site-packages` option. The current version shown in PyPi...
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Between `utf8_general_ci` and `utf8_unicode_ci`, are there any differences in terms of performance?
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For simplicity, assume all relevant fields are `NOT NULL`. You can do: SELECT table1.this, table2.that, table2.somethingelse FROM...
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Per [the MySQL docs][1], there are four TEXT types: 1. TINYTEXT 2. TEXT 3. MEDIUMTEXT 4. LONGTEXT What is the maximum length that I can store in a...
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While executing an `INSERT` statement with many rows, I want to skip duplicate entries that would otherwise cause failure. After some research, my options appea...
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I was able to clone a copy of this repo over HTTPS authenticated. I've made some commits and want to push back out to the GitHub server. Using Cygwin on Win...
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I am stuck with this CORS problem, even though I set the server (nginx/node.js) with the appropriate headers. I can see in Chrome Network pane -> Response...
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I think I know the answer but just checking in case I missed something.The code that generates "Documentation for this page" link in the footer. Is there any wa...
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How challenging would it be to develop a plugin which would update a course completion date each time a user uploads a new submission for an assignment activity...