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Getting image dimensions without reading the entire file
Is there a cheap way to get the dimensions of an image (jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something...
How to set Java environment path in Ubuntu
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edited Feb 25 '18 at 8:13
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Does python have a sorted list?
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The standard Python list is not sorted in any form. The standard heapq module can be used to append in O(log n) to an existing list and remove the smallest one in O(log n), but isn't a sorted list in your definition.
There are various implementa...
How to manually expand a special variable (ex: ~ tilde) in bash
I have a variable in my bash script whose value is something like this:
15 Answers
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How can I convert an image into a Base64 string?
What is the code to transform an image (maximum of 200 KB) into a Base64 String?
14 Answers
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Any good, visual HTML5 Editor or IDE? [closed]
...thing for a few more years (weeks actually). Seems like the next rung down is right to Notepad!
19 Answers
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Install a .NET windows service without InstallUtil.exe
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Yes, that is fully possible (i.e. I do exactly this); you just need to reference the right dll (System.ServiceProcess.dll) and add an installer class...
Here's an example:
[RunInstaller(true)]
public sealed class MyServiceInstallerPr...
Measuring the distance between two coordinates in PHP
Hi I have the need to calculate the distance between two points having the lat and long.
12 Answers
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Overriding !important style
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I believe the only way to do this it to add the style as a new CSS declaration with the '!important' suffix. The easiest way to do this is to append a new <style> element to the head of document:
function addNewStyle(newStyle) {
var styleElement...
ETag vs Header Expires
...ether or not to make a request for that file again in the future. If ETag is all it has, it will always have to make a request. However, when the server reads the ETag from the client request, the server can then determine whether to send the file (HTTP 200) or tell the client to just use their lo...