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SQL standard to escape column names?
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According to SQLite,
'foo' is an SQL string
"foo" is an SQL identifier (column/table/etc)
[foo] is an identifier in MS SQL
`foo` is an identifier in MySQL
For qualified names, the syntax is: "t"."foo" or [t].[foo], etc.
MySQL supports the standard "foo" when ...
Rails 3 datatypes?
...an I find a list of data types that can be used in rails 3? (such as text, string, integer, float, date, etc.?) I keep randomly learning about new ones, but I'd love to have a list I could easily refer to.
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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
...lds. In GHCi you can do --
> data Foo = Foo { a :: Int, b :: Int, c :: String } -- define a Foo
> let foo = Foo { a = 1, b = 2, c = "Hello" } -- create a Foo
> let updateFoo x = x { c = "Goodbye" } -- function to update Foos
> updateFoo foo ...
I am getting Failed to load resource: net::ERR_BLOCKED_BY_CLIENT with Google chrome
... the page you were viewing.
If problem still persist, cek if the character string "-300x600" is in the file name, that particular text pattern matches an expression list pattern in the AdBlock Plus.
Firefox Tracking Protection
In Firefox “Tracking Protection” may activate our adblock notice...
Difference between two dates in Python
... return abs((d2 - d1).days)
This will convert your datetime objects to strings but, two things
1) Trying to do d2 - d1 will fail as you cannot use the minus operator on strings and
2) If you read the first line of the above answer it stated, you want to use the - operator on two datetime object...
Recommendations of Python REST (web services) framework? [closed]
... expression is written once. Replace your someUsefulThing call with a long string, like paginate(request, Post.objects.filter(deleted=False, owner=request.user).order_by('comment_count')) and look at the code. I hope it will illustrate my point.
– temoto
Jul 13...
how to get the cookies from a php curl into a variable
...each response header line. The function will receive the curl object and a string with the header line.
You can use a code like this (adapted from TML response):
$cookies = Array();
$ch = curl_init('http://www.google.com/');
// Ask for the callback.
curl_setopt($ch, CURLOPT_HEADERFUNCTION, "curlRe...
Print Var in JsFiddle
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And to pritty print objects... out(JSON.stringify(myObject, null, 2));
– Andrew Lank
Mar 17 '14 at 14:52
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Why is volatile not considered useful in multithreaded C or C++ programming?
...ic operations necessary to implement a mutex; it only has volatile to make extra guarantees about ordinary operations.
Now you have something like this:
pthread_mutex_lock( &flag_guard_mutex );
my_local_state = my_shared_flag; // critical section
pthread_mutex_unlock( &flag_guard_mutex );
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Why can't I have “public static const string S = ”stuff"; in my Class?
When trying to compile my class I get an error:
6 Answers
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