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Is file append atomic in UNIX?
...he size of 'PIPE_BUF' is supposed to be atomic. That should be at least 512 bytes, though it could easily be larger (linux seems to have it set to 4096).
This assume that you're talking all fully POSIX-compliant components. For instance, this isn't true on NFS.
But assuming you write to a log fi...
What does dot (.) mean in a struct initializer?
... second;
int third;
};
...you can use
struct demo_s demo = { 1, 2, 3 };
...or:
struct demo_s demo = { .first = 1, .second = 2, .third = 3 };
...or even:
struct demo_s demo = { .first = 1, .third = 3, .second = 2 };
...though the last two are for C99 only.
...
How to access cookies in AngularJS?
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200
This answer has been updated to reflect latest stable angularjs version. One important note is...
Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
...
20 Answers
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How to switch a user per task or set of tasks?
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244
With Ansible 1.9 or later
Ansible uses the become, become_user, and become_method directives ...
Using property() on classmethods
...foo(object):
... _var = 5
... class __metaclass__(type): # Python 2 syntax for metaclasses
... pass
... @classmethod
... def getvar(cls):
... return cls._var
... @classmethod
... def setvar(cls, value):
... cls._var = value
...
>>> foo._...
Single controller with multiple GET methods in ASP.NET Web API
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252
This is the best way I have found to support extra GET methods and support the normal REST met...
Get the creation date of a stash
... stash list --date=local
It should print something like:
stash@{Thu Mar 21 10:30:17 2013}: WIP on master: 2ffc05b Adding resource
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How do I convert array of Objects into one Object in JavaScript?
...r arr = [
{key : '11', value : '1100', $$hashKey : '00X' },
{key : '22', value : '2200', $$hashKey : '018' }
];
//convert
var result = {};
for (var i = 0; i < arr.length; i++) {
result[arr[i].key] = arr[i].value;
}
console.log(result);
...
How can I find the last element in a List?
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212
If you just want to access the last item in the list you can do
if(integerList.Count>0)
{
...