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Python's “in” set operator
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Yes, but it also means hash(b) == hash(x), so equality of the items isn't enough to make them the same.
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htaccess redirect to https://www
...RewriteRule .* https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
About proxying
When behind some forms of proxying, whereby the client is connecting via HTTPS to a proxy, load balancer, Passenger application, etc., the %{HTTPS} variable may never be on and cause a rewrite loop. This is because you...
Git file permissions on Windows
...tp://blog.lesc.se/2011/11/how-to-change-file-premissions-in-git.html
For example following command adds user execute permission to an arbitrary file:
git update-index --chmod=+x <file>
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How to copy directories in OS X 10.7.3?
... my home directory there in Favorites or anywhere else. Very new to Mac OS X and Rails.
– hjaved
Mar 21 '12 at 0:46
cp...
Export Data from mysql Workbench 6.0
I'm trying to export my database, using MySQL Workbench 6.0 on Windows, to send to my db instance in Amazon RDS, but i'm getting this error:
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How to write a Python module/package?
...definitions and statements. The file name is the module name with the suffix .py
create hello.py then write the following function as its content:
def helloworld():
print "hello"
Then you can import hello:
>>> import hello
>>> hello.helloworld()
'hello'
>>>
To gr...
Logic to test that 3 of 4 are True
...+: the standard (§4.7/4) indicates that converting bool to int gives the expected values 0 or 1.
In Java and C#, you can use the following construct:
if ((a?1:0) + (b?1:0) + (c?1:0) + (d?1:0) == 3)
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how to “reimport” module to python then code be changed after import
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For Python 2.x
reload(foo)
For Python 3.x
import importlib
import foo #import the module here, so that it can be reloaded.
importlib.reload(foo)
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typedef struct vs struct definitions [duplicate]
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The common idiom is using both:
typedef struct S {
int x;
} S;
They are different definitions. To make the discussion clearer I will split the sentence:
struct S {
int x;
};
typedef struct S S;
In the first line you are defining the identifier S within the struct nam...
How to track down a “double free or corruption” error
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Setting MALLOC_CHECK_2 actually fixed my double free problem (although it's not fixing if it's in debug mode only)
– puk
Jan 18 '19 at 6:30
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