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Converting from IEnumerable to List [duplicate]
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It is important to note that your solution works for the generic version of IEnumerable. The answer from user pickles below handles the non-generic version.
– mkmurray
Mar 20 '13 at 19:49
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Oracle TNS names not showing when adding new connection to SQL Developer
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SQL Developer will look in the following location in this order for a tnsnames.ora file
$HOME/.tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
... as a boolean test (including, e.g. pointers). Note that you should do the former, not the latter.
Note that there is a difference if you assign obtuse values to a so-called BOOL variable and test for specific values, so always use them as booleans and only assign them from their #define values.
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Parameterize an SQL IN clause
...rs.AddWithValue("@tags", string.Join("|", tags);
}
Two caveats:
The performance is terrible. LIKE "%...%" queries are not indexed.
Make sure you don't have any |, blank, or null tags or this won't work
There are other ways to accomplish this that some people may consider cleaner, so please kee...
Is there a recommended format for multi-line imports?
I have read there are three ways for coding multi-line imports in python
4 Answers
4
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In a django model custom save() method, how should you identify a new object?
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You should use is not rather than != when checking for identity with the None object
– Ben James
Dec 4 '09 at 10:38
3
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Where are static variables stored in C and C++?
...e file are static variables stored so that they don't have name collision?
For example:
16 Answers
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Python - When to use file vs open
...voking this
constructor directly. file is more
suited to type testing (for example,
writing "isinstance(f, file)").
Also, file() has been removed since Python 3.0.
share
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improve this answe...
How to define hash tables in Bash?
...u can fill it up with elements using the normal array assignment operator. For example, if you want to have a map of animal[sound(key)] = animal(value):
animals=( ["moo"]="cow" ["woof"]="dog")
Or merge them:
declare -A animals=( ["moo"]="cow" ["woof"]="dog")
Then use them just like normal arra...
PHP: How to send HTTP response code?
...one
header("HTTP/1.1 200 OK");
However, this requires special treatment for (Fast)CGI PHP:
$sapi_type = php_sapi_name();
if (substr($sapi_type, 0, 3) == 'cgi')
header("Status: 404 Not Found");
else
header("HTTP/1.1 404 Not Found");
Note: According to the HTTP RFC, the reason phrase can...
