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What are the minimum margins most printers can handle?
...2 inch or more (like "24 24 588 768" for Letter format). I remember having hacked HP PPDs and tuned them down to "6 6 606 786" (1/12 inch) before the physical boundaries of the device kicked in and enforced a real clipping of the page image.
Now, PCL and other language printers are not that much di...
CSS content property: is it possible to insert HTML instead of Text?
...t=utf8, + encodeURIComponent(yourSvgMarkup))
But note that it is mostly a hack and that there are a lot of limitations :
You can not load any external resources from this markup (no CSS, no images, no media etc.).
You can not execute script.
Since this won't be part of the DOM, the only way to a...
How do I check if a string is valid JSON in Python?
...fy images, and assume you have JSON if it's not an image.
Another simple hack to identify a graphic, rather than a text string, in the case you're looking for a graphic, is just to test for non-ASCII characters in the first couple of dozen characters of the string (assuming the JSON is ASCII).
...
Start / Stop a Windows Service from a non-Administrator user account
... This is the best answer. It uses the right tool for the job without hacking around in the registry, translating SIDs, or depending on obscure ACL formatting. Provides all that is needed to get the job done quickly and easily with enough detail to extrapolate it to any reasonable scenario.
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Targeting position:sticky elements that are currently in a 'stuck' state
...
Not really a fan of using js hacks for styling stuff (ie getBoudingClientRect, scroll listening, resize listening), but this is how I'm currently solving the problem. This solution will have issues with pages that have minimizable/maximizable content (&...
Using node.js as a simple web server
...ooth) which is a bad idea on any public network as you may potentially get hacked. It's not so bad if you just wanted to demo your app inside a safe fire walled network to show others or connect it to your mobile device on the same network.
– Tony O'Hagan
Jun ...
Is there a way to crack the password on an Excel VBA Project?
...I make my VBA project protected stronger to prevent others from using this hack on it :)
– EranG
Jan 25 '16 at 12:01
6
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What is the best way to prevent session hijacking?
...ding the session and forcing the user to re-authenticate. This thwarts the hack attempt, the attacker is also forced to login instead of gaining access to the session. Notify the user of the attempt (ajax it up a bit), and vola, Slightly annoyed+informed user and their session/information is protect...
How to detect when cancel is clicked on file input?
... to get ahold of one outside of an <input /> element is to utilize a hack which copy-pastes data to fake a clipboard event which can contain a FileList object (you're basically faking a drag-and-drop-a-file-on-your-website event). This is possible in Firefox, but not for iOS Safari, so it was ...
Abort makefile if variable not set
...es can't be listed as prerequisites of .PHONY,
# we use the old-school and hackish FORCE workaround.
# You could go without this, but otherwise a check can be missed
# in case a file named like `check-defined-...` exists in the root
# directory, e.g. left by an accidental `make -t` invocation.
.PHO...