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Python truncate a long string
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info = (data[:75] + '..') if len(data) > 75 else data
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jQuery: keyPress Backspace won't fire?
...s backspace, keypress doesn't -> weird. is there a chance to also check if two keys are pressed like cmd-c, or cmd-v, or cmd-a
– matt
Jan 14 '11 at 11:28
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Check if a program exists from a Makefile
How can I check if a program is callable from a Makefile?
12 Answers
12
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Event listener for when element becomes visible?
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Javascript events deal with User Interaction, if your code is organised enough you should be able to call the initialising function in the same place where the visibility changes (i.e. you shouldn't change myElement.style.display on many places, instead, call a function/...
How to iterate over a JavaScript object?
...et key in yourobject) {
console.log(key, yourobject[key]);
}
With ES6, if you need both keys and values simultaneously, do
for (let [key, value] of Object.entries(yourobject)) {
console.log(key, value);
}
To avoid logging inherited properties, check with hasOwnProperty :
for (let key in ...
iphone ios running in separate thread
...tch_get_main_queue(), ^{
// Add code here to update the UI/send notifications based on the
// results of the background processing
});
});
If you haven't done so already, check out the videos from WWDC 2010 on libdispatch/GCD/blocks.
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Android - Activity vs FragmentActivity? [duplicate]
...tivity you can easily build tab and swap format. For each tab you can use different Fragment (Fragments are reusable). So for any FragmentActivity you can reuse the same Fragment.
Still you can use Activity for single pages like list down something and edit element of the list in next page.
Also rem...
Local Storage vs Cookies
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Cookies and local storage serve different purposes. Cookies are primarily for reading server-side, local storage can only be read by the client-side. So the question is, in your app, who needs this data — the client or the server?
If it's your client (you...
How to convert the background to transparent? [closed]
...background and the border is not part of the image]
File menu/Save Image
GIF/PNG/ICO image file formats support transparency, JPG doesn't!
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Determining Referer in PHP
...nly come from requests originating on my site.
Edit: I am looking to verify that a script that preforms a series of actions is being called from a page on my website.
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