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Ruby, Difference between exec, system and %x() or Backticks
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system
The system method calls a system program. You have to provide the command as a string argument to this method. For example:
>> system("date")
Wed Sep 4 22:03:44 CEST 2013
=> true
The invoked program will use the current STDIN, STDO...
Colspan/Rowspan for elements whose display is set to table-cell
...SS, I'll be stubborn and throw in my workaround I figured out today, especially since it's much more elegant than having a table inside a table.
Example equals to <table> with two cells per row and two rows, where the cell in the second row is a td with colspan="2".
I have tested this with I...
Static table view outside UITableViewController
...ntainer view to your ViewController and size it about the size you want (smaller than the view) -> when you drag the container view it will create a segue and another view. Remove that segue and view.
Then finally ctrl click in your container and drag to your new TableViewContoller. Select Embed....
How to get a vertical geom_vline to an x-axis of class date?
...th ggplot and qplot syntax, but still I either see no vertical line at all or the vertical line is drawn at the very first vertical grid and the whole series is shifted somewhat strangely to the right.
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Bootstrap table without stripe / borders
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I didn't put the 'borderless' for the td element.
Tested and it worked!
All the borders and paddings are completely stripped off.
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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
...ur UIColor method requires a float from 0-1, not 0-255. You need to divide all your RGB values by 255.0, as follows:
self.tableView.seperatorColor = [UIColor colorWithRed:127.0f/255.0f green:127.0f/255.0f blue:127.0f/255.0f alpha:1.0f];
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How to disable breadcrumbs in Eclipse
...ow focussed, look for this icon in your toolbar:
And click on it. That's all. The icon is present by default, but can be deactivated, in which case you have to activated as in MvanGeest's answer.
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iOS: Modal ViewController with transparent background
I'm trying to present a view controller modally, with a transparent background. My goal is to let both the presenting and presented view controllers's view to be displayed at the same time. The problem is, when the presenting animation finishes, the presenting view controller's view disappears.
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Generate .pem file used to set up Apple Push Notifications
...r file) you've created just now. - Double click the downloaded file to install the certificate into Keychain Access on your Mac.
Step 7: On your Mac, go to "Keychain", look for the certificate you have just installed. If unsure which certificate is the correct one, it should start with "Apple Produ...
How to get IP address of the device from code?
...aos.toByteArray(), "UTF-8") : new String(baos.toByteArray());
} finally {
try{ is.close(); } catch(Exception ignored){}
}
}
/**
* Returns MAC address of the given interface name.
* @param interfaceName eth0, wlan0 or NULL=use first interface
* @r...