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Is there a way to iterate over a dictionary?
I know NSDictionaries as something where you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there som...
Invalid postback or callback argument. Event validation is enabled using '
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The problem is that ASP.NET does not get to know about this extra or removed listitem.
You got an number of options (listed below):
Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Use ASP.NET Ajax UpdatePanel....
How to get disk capacity and free space of remote computer
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If you want to round the display to only show whole numbers, use [Math]::Round($Disk.Freespace / 1GB)
– user4317867
Sep 24 '16 at 19:50
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is not JSON serializable
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Now getting error --> 'NoneType' object has no attribute 'concrete_model' ... And using Django 1.4+
– tuna
May 28 '13 at 11:42
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Any way to make a WPF textblock selectable?
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-1 The Question specifically asks how to make a textblock selectable. Because he doesn't want to lose the "Inlines" property (which textBoxes do not have). This 'answer' is just suggesting to make a textbox look like a textblock.
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Reference - What does this error mean in PHP?
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Warning: Cannot modify header information - headers already sent
Happens when your script tries to send an HTTP header to the client but there already was output before, which resulted in headers to be already sent to the client.
This is an E...
(-2147483648> 0) returns true in C++?
... It is actually the equivalent of this pseudocode: operator -(2147483648)
Now, assuming your compiler has sizeof(int) equal to 4 and CHAR_BIT is defined as 8, that would make 2147483648 overflow the maximum signed value of an integer (2147483647). So what is the maximum plus one? Lets work that out...
Weak and strong property setter attributes in Objective-C
What is the difference between weak and strong property setter attributes in Objective-C?
5 Answers
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Getting a better understanding of callback functions in JavaScript
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You can just say
callback();
Alternately you can use the call method if you want to adjust the value of this within the callback.
callback.call( newValueForThis);
Inside the function this would be whatever newValueForThis is.
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
..._INIT
debug1: expecting SSH2_MSG_KEXDH_REPLY
debug1: Host 'heroku.com' is known and matches the RSA host key.
debug1: Found key in /c/Wrong/Directory/.ssh/known_hosts:1
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS...