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Is it safe to ignore the possibility of SHA collisions in practice?
... on Earth within the next second, obliterating civilization-as-we-know-it, and killing off a few billion people? It can be argued that any unlucky event with a probability lower than that is not actually very important.
If we have a "perfect" hash function with output size n, and we have p messages...
Delete specific line number(s) from a text file using sed?
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If you want to delete lines 5 through 10 and 12:
sed -e '5,10d;12d' file
This will print the results to the screen. If you want to save the results to the same file:
sed -i.bak -e '5,10d;12d' file
This will back the file up to file.bak, and delete the given li...
Load HTML file into WebView
...ocal html page along with several other resources pointed by it (css files and Javascript libraries) that I would like to load into a WebView . How could this be achieved ?
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What is “function*” in JavaScript?
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It's a Generator function.
Generators are functions which can be exited and later re-entered. Their context (variable bindings) will be saved across re-entrances.
Calling a generator function does not execute its body immediately; an iterator object for the function is returned instead. When the ...
How do I wrap text in a UITableViewCell without a custom cell
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Here is a simpler way, and it works for me:
Inside your cellForRowAtIndexPath: function. The first time you create your cell:
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil)
{
cell = [[[U...
Generating Random Passwords
When a user on our site loses his password and heads off to the Lost Password page we need to give him a new temporary password. I don't really mind how random this is, or if it matches all the "needed" strong password rules, all I want to do is give them a password that they can change later.
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Rollback to last git commit
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Caveat Emptor - Destructive commands ahead.
Mitigation - git reflog can save you if you need it.
1) UNDO local file changes and KEEP your last commit
git reset --hard
2) UNDO local file changes and REMOVE your last commit
git reset --hard HEAD^
3)...
Verify a method call using Moq
I am fairly new to unit testing in C# and learning to use Moq. Below is the class that I am trying to test.
1 Answer
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How to force a html5 form validation without submitting it via jQuery
I have this form in my app and I will submit it via AJAX, but I want to use HTML5 for client-side validation. So I want to be able to force the form validation, perhaps via jQuery.
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Most common way of writing a HTML table with vertical headers?
...ould use the colspan attribute to fix that.
Reference: "The THEAD, TFOOT, and TBODY sections must contain the same number of columns." - Last paragraph of section 11.2.3.
With that being said, the first option is the better approach in my opinion because it's readable regardless of whether or not ...