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Printing leading 0's in C?
...padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one number in the ones column and pad 1 zero for a number in the ten...
Do you have to put Task.Run in a method to make it async?
...n async method, those "yield" points are await expressions.
This is very different than the term "asynchronous", as (mis)used by the MSDN documentation for years to mean "executes on a background thread".
To futher confuse the issue, async is very different than "awaitable"; there are some async m...
How to escape text for regular expression in Java
...rary text so that it can be included in a regular expression? For example, if my users enter "$5", I'd like to match that exactly rather than a "5" after the end of input.
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What is the Objective-C equivalent for “toString()”, for use with NSLog?
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Note if you're using CoreData, the description property is reserved ...and will provide useful debugging information! In that case you'll need to come up with your own unique method name.
– Nuthatch
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Java - sending HTTP parameters via POST method easily
... : 'url.openconnection()' does not open connection. In case you do not specify a connect() statement the connection is opened when you write to to the http request body /heared and send it. I have tried this with certificates. The ssl handshake takes place only after you call connect or when you sen...
validation custom message for rails 3
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Actually, I did this in a better way. If you want to remove the field title from the message you should use this on your _form.htmk.erb view:
As you can see inside this view:
<ul>
<% @article.errors.full_messages.each do |msg| %>
<li><%...
git add . vs git commit -a
What's the difference between:
3 Answers
3
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Meaning of “[: too many arguments” error from if [] (square brackets)
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If your $VARIABLE is a string containing spaces or other special characters, and single square brackets are used (which is a shortcut for the test command), then the string may be split out into multiple words. Each of these ...
What does the WPF star do (Width=“100*”)
...;RowDefinition Height="7*" />
The numbers do not have to be integers.
If the Width for RowDefinition (Height for ColumnDefinition) is omitted, 1* is implied.
In this example, column 1 is 1.5 times wider than column 2 -
<ColumnDefinition Width="1.5*" />
<ColumnDefinition />
You ...
Add swipe to delete UITableViewCell
...TableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
if (editingStyle == UITableViewCellEditingStyle.Delete) {
// handle delete (by removing the data from your array and updating the tableview)
}
}
Swift 3.0:
override func tableView(_ tableView: UITableView, canE...