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Oracle query to fetch column names
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– Chris Magnuson
Apr 13 '18 at 18:05
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How to “perfectly” override a dict?
...or out the difference between Python 2 and 3, create a singleton (_RaiseKeyError) to make sure we know if we actually get an argument to dict.pop, and create a function to ensure our string keys are lowercase:
from itertools import chain
try: # Python 2
str_base = basestring
it...
How to automatically convert strongly typed enum into int?
...automatic or 'silent' as Iammilind puts it. That prevents dificult to find errors. You can still do a cast but you are forced to think about it. That way you know what you're doing. To me it is part of a 'safe coding' habit. I prefer that no conversions are not done automatic is there is a sliver o...
How do I declare class-level properties in Objective-C?
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As seen in WWDC 2016/XCode 8 (what's new in LLVM session @5:05). Class properties can be declared as follows
@interface MyType : NSObject
@property (class) NSString *someString;
@end
NSLog(@"format string %@", MyType.someString);
Note that class properties are never synthesized
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Sort array of objects by string property value
...canEge Özcan
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Refresh a page using PHP
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This causes "Headers already sent” error in my code... is there another way?
– DBS
Apr 28 '17 at 0:35
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Calculating a directory's size using Python?
...ipting. Such code should not come with functional limitations, lengthy and error-prone passages, or uncommon results in edge cases, just for the sake of a portability beyond any need. It's, as always, a trade-off, and it's in the responsibility of the developer to choose wisely ;)
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How do I insert NULL values using PDO?
...t->bindParam(':v1', $myNull, PDO::PARAM_NULL);
You would get the same error message if you tried:
$stmt->bindParam(':v1', 5, PDO::PARAM_NULL);
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Why does cURL return error “(23) Failed writing body”?
...am from curl. cURL doesn't expect this and emits the "Failed writing body" error.
A workaround is to pipe the stream through an intermediary program that always reads the whole page before feeding it to the next program.
E.g.
curl "url" | tac | tac | grep -qs foo
tac is a simple Unix program th...
UITextView that expands to text using auto layout
...only required. The UItextView has some insets, that's why autolayout gives errors as UItextview will need atleast 32 height, even if no content is in it, when scrolling is disabled.
– nr5
Sep 2 '17 at 8:02
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