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Download File to server from URL
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Since PHP 5.1.0, file_put_contents() supports writing piece-by-piece by passing a stream-handle as the $data parameter:
file_put_contents("Tmpfile.zip", fopen("http://someurl/file.zip", 'r'));
From the manual:
If data [that is the second argument] is a stream resource, the rema...
What is the best way to clear a session variable in rails?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
django MultiValueDictKeyError error, how do I deal with it
... That wouldn't prevent the error he is getting checking the POST by hand for the value.
– Apollo Data
Sep 2 '16 at 4:30
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How to make a background 20% transparent on Android
... opaque percentage into the alpha range, that is, multiply the range (255) by the percentage. In this example 255 * 0.8 = 204. Round to the nearest integer if needed.
Convert the value obtained in 3., which is in base 10, to hexadecimal (base 16). You can use Google for this or any calculator. Using...
Android: upgrading DB version and adding new table
...est that you loop over from oldVersion to newVersion, incrementing version by 1 at a time and then upgrade the database step by step. This is very helpful when someone with database version 1 upgrades the app after a long time, to a version using database version 7 and the app starts crashing becaus...
Merging dictionaries in C#
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Now I'm wondering that GroupBy would be better suited than ToLookup ? I think ILookup just adds an indexer, size property and contains method on top of IGrouping - so it got to be a tiny little bit faster ?
– toong
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Check if PHP session has already started
...ta is written to the session cookie and the session is unlocked for access by another script that also calls 'session_start'. CLOSING does NOT mean that the session is DESTROYED, therefore. You can close a session by exiting the current script or calling session_write_close(), and you can open it a...
How to get JSON from URL in JavaScript?
...ated 'The JSON is in the data variable'
– Nathan Hornby
Mar 2 '17 at 14:18
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The pure JavaScript ...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...s the first time code is executed or when the history table is overwritten by a different branch with the same index into the branching table. In a tight loop, and assuming a branch goes one way most of the time, the branch predictor will likely begin guessing the correct branch very quickly. - yo...
How do I add a tool tip to a span element?
... does this work?
You can display the custom tooltips with pseudo elements by retrieving the custom attribute values using the attr() function.
[data-tooltip]:before {
content: attr(data-tooltip);
}
In terms of positioning the tooltip, just use the attribute selector and change the placement ...