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NSDictionary - Need to check whether dictionary contains key-value pair or not
...ing app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSSingleObjectArrayI objectForKey:]: unrecognized selector sent to instance 0x60000133a1c0'
– Amr Angry
Jan 11 '19 at 16:20
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How to change the port of Tomcat from 8080 to 80?
...lt/tomcat7, uncomment the #AUTHBIND=no line and set its value to 'yes', in order to let the server bind on a privileged port.
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Color Tint UIButton Image
...must set the image rendering mode to UIImageRenderingModeAlwaysTemplate in order to have the tintColor affect the UIImage. Here is the solution in Swift:
let image = UIImage(named: "image-name")
let button = UIButton()
button.setImage(image?.imageWithRenderingMode(UIImageRenderingMode.AlwaysTemplat...
How to apply shell command to each line of a command output?
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Quote the "$line" in the while loop, in order to avoid word splitting.
– ignis
Dec 10 '12 at 16:12
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How to resize a VirtualBox vmdk file
...he symlink path VBoxManage clonehd "~/path/to/symlink/packer-centos-6.5-x86_64-disk1.vmdk" "/media/k0pernikus/thatFatSlowDisk/cloned_packer-centos-6.5-x86_64-disk1.vdi" If you specfiy the real path, the command will crash due to VBoxManage: error: Cannot register the hard disk, as VBox thinks it's a...
https URL with token parameter : how secure is it?
...Actually, with the kind of key space we're talking about, putting a if(this_ip_number_has_requested_an_invalid_token_today()) sleep(5); in your load_simulation script would be perfectly sufficient protection. (Rate limiting is one of those features of good authentication mechanisms.)
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Replace multiple whitespaces with single whitespace in JavaScript string
... use code like this (the parenthesis on the first regexp are there just in order to make the code a bit more readable ... regexps can be a pain unless you are familiar with them):
s = s.replace(/^(\s*)|(\s*)$/g, '').replace(/\s+/g, ' ');
The reason this works is that the methods on String-object ...
scrollIntoView Scrolls just too far
... there a way to directly inject a pixel's corrector into scrollIntoView in order to make the application move directly to the relevant place? Like scrollIntoView({adjustment:y}), I think it should be possible with a custom code at the end
– Webwoman
May 15 '19 ...
Naming conventions: “State” versus “Status” [closed]
...rs.
So I would use state for a set of states that don't have any implicit ordering or position relative to one another, and status for those that do (perhaps off-standby-on ?). But it's a fine distinction.
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Amazon products API - Looking for basic overview and information
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