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Skip callbacks on Factory Girl and Rspec
...ly achieved this using:
FactoryGirl.define do
factory :user do
first_name "Luiz"
last_name "Branco"
#...
after(:build) { |user| user.class.skip_callback(:create, :after, :run_something) }
factory :user_with_run_something do
after(:create) { |user| user.send(:run_someth...
How to study design patterns? [closed]
... edited Jul 1 '18 at 11:35
AZ_
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answered Apr 19 '13 at 16:34
...
Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
...answered Apr 4 '10 at 21:16
marc_smarc_s
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How do I resolve a HTTP 414 “Request URI too long” error?
...e the sanitize posted data remark) and
http://www.openjs.com/articles/ajax_xmlhttp_using_post.php
Basically, the difference is that the GET request has the url and parameters in one string and then sends null:
http.open("GET", url+"?"+params, true);
http.send(null);
whereas the POST request sen...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...e like this so that you can specify your own identity values.
SET IDENTITY_INSERT Table1 ON
INSERT INTO Table1
/*Note the column list is REQUIRED here, not optional*/
(OperationID,
OpDescription,
FilterID)
VALUES (20,
'Hierachy Update',
...
Copy a file in a sane, safe and efficient way
...<copyfile.h>
int
copyfile(const char *from, const char *to, copyfile_state_t state, copyfile_flags_t flags);
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...序本身的程序特性进行优化， 比如使用引用计数std::shared_ptr，apache的内存池方式等等。
当然应用程序也可以直接使用系统调用从内核分配内存，自己根据程序特性来维护内存，但是会大大增加开发成本。
本文主要介绍了glibc...
Is CSS Turing complete?
...ully on the tape which is exactly like the clicking in this case. More formally, a model of computation can be viewed as a set of rules somebody needs to follow to do the computation. In that sense, I think CSS is Turing-Complete.
– John
Jun 11 '18 at 21:32
...
What does void mean in C, C++, and C#?
... to be run and a pointer to the data to be passed to the function:
struct _deferred_work {
sruct list_head mylist;
.worker_func = bar;
.data = somedata;
} deferred_work;
Then a kernel thread goes over a list of deferred work and when it get's to this node it effectively executes:
bar(some...
How do I copy an entire directory of files into an existing directory using Python?
...ith a pre-existing dir. This needs to be changed. At least provide an exist_ok=False parameter to the call
– cfi
Sep 26 '12 at 16:05
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