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What is std::string::c_str() lifetime?
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The const char* returned from c_str() is only valid until the next non-const call to the std::string object. In this case you're fine because your std::string is still in scope for the lifetime of Foo and you aren't doing any other operations that wo...
Android - Set fragment id
... @GuilhE Activity provides an addFragment() method which you can reference from the viewpager. Keeping the tag before that could be accomplished with a hashmap.
– Thomas Dignan
Feb 11 '15 at 4:56
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How to validate an email address in JavaScript
...essions is probably the best way. You can see a bunch of tests here (taken from chromium)
function validateEmail(email) {
const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})...
Using lambda expressions for event handlers
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I see. So is there also no drawback from having these handlers inside of Page_Load versus having them outside of it?
– Christopher Garcia
Mar 17 '10 at 20:15
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Creating a URL in the controller .NET MVC
...ntellisense will give you the meaning of each of the parameters.
Update from comments: controller already has a UrlHelper:
string url = this.Url.Action("About", "Home", null);
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Image comparison - fast algorithm
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My company has about 24million images come in from manufacturers every month. I was looking for a fast solution to ensure that the images we upload to our catalog are new images.
I want to say that I have searched the internet far and wide to attempt to find an ideal s...
Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...gBuffer);
// convert ArrayBuffer to Array
const hashArray = Array.from(new Uint8Array(hashBuffer));
// convert bytes to hex string
const hashHex = hashArray.map(b => ('00' + b.toString(16)).slice(-2)).join('');
return hashHex;
}
Note that crypto.subtle in...
Completely cancel a rebase
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Use git rebase --abort. From the official Linux kernel documentation for git rebase:
git rebase --continue | --skip | --abort | --edit-todo
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JavaScript + Unicode regexes
...s into a set of code points. Since it's Unicode's website, the information from it should be accurate.
Note that you will need to exclude the high-end characters, as JavaScript can only handle characters less than FFFF (hex). I suggest checking the Abbreviate Collate, and Escape check boxes, whi...
text flowing out of div
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Use
white-space: pre-line;
It will prevent text from flowing out of the div. It will break the text as it reaches the end of the div.
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