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Calculate age given the birth date in the format YYYYMMDD
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This returns 0 years for dates like 2000-02-29 to 2001-02-28 when it probably should return 1.
– RobG
Mar 21 '14 at 14:13
16
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How does password salt help against a rainbow table attack?
...s you describe), but rainbow tables require a reducing function which transforms a hash back to plaintext, to then be rehashed thousands of times, storing only the initial plaintext and final hash. Searching is computationally longer than hash tables, but 'captures' many plaintexts per hash.
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How to use underscore.js as a template engine?
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In it's simplest form you would use it like:
var html = _.template('<li><%= name %></li>', { name: 'John Smith' });
//html is now '<li>John Smith</li>'
If you're going to be using a template a few times you...
Select every Nth element in CSS
...xpression using the n variable in addition to constant numbers. You can perform addition (+), subtraction (-) and coefficient multiplication (an where a is an integer, including positive numbers, negative numbers and zero).
Here's how you would rewrite the above selector list:
div:nth-child(4n)
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Unit testing of private methods [duplicate]
... code.
– quant_dev
Aug 19 '17 at 18:01
add a comment
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Adding and removing style attribute from div with jquery
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answered Mar 22 '11 at 17:01
Peter OlsonPeter Olson
115k4545 gold badges183183 silver badges234234 bronze badges
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When would I use Task.Yield()?
...terations. For example:
async Task DoDialogAsync()
{
var dialog = new Form();
Func<Task> showAsync = async () =>
{
await Task.Yield();
dialog.ShowDialog();
}
var dialogTask = showAsync();
await Task.Yield();
// now we're on the dialog's neste...
Install a .NET windows service without InstallUtil.exe
...l)
{
controller = new System.ServiceProcess.ServiceController(String.Format("MySvc_{0}", _InstanceID), ".");
}
if (controller.Status == System.ServiceProcess.ServiceControllerStatus.Running)
{
Start_Stop.Text = "Stop Service";...
moving changed files to another branch for check-in
... here"
From git docs:
git reset [<mode>] [<commit>] This form resets the current branch head
to and possibly updates the index (resetting it to the tree
of ) and the working tree depending on . If is
omitted, defaults to --mixed. The must be one of the following:
--so...
Create a pointer to two-dimensional array
...ay are contiguously stored
uint8_t *matrix_ptr = l_matrix[0];
Now, that formally only allows you to access the elements of the first element of the two dimensional array. That is, the following condition hold
matrix_ptr[0] = ...; // valid
matrix_ptr[19] = ...; // valid
matrix_ptr[20] = ...; // ...