大约有 15,640 项符合查询结果（耗时：0.0330秒） [XML]
Objective-C : BOOL vs bool
...
the compiler will raise an error if you use bool as a parameter of a block that is defined to get a BOOL (UIView animation blocks, e.g.), when you compile for iOS 32 bits (iPhone 5C...). I use C++ bool everywhere in my code, and BOOL in the APIs that a...
Dynamically generating a QR code with PHP [closed]
...
I cannot reproduce the error. It is working fine with QRcode::png('www.example.com/some/view/aUdv4rP4BXXLQdpXZC6Gs5C6AfyJM4uB6ntVttIr1B0='); maybe it has something to do with the headers
– RafaSashi
...
How to build for armv6 and armv7 architectures with iOS 5
...tstart=15 . Disabling building for Thumb on armv6 prevents these kinds of errors.
– Brad Larson♦
Oct 21 '11 at 18:45
...
What is the best (idiomatic) way to check the type of a Python variable? [duplicate]
...m Novice to Professional) is to try <value> + '' and check for a TypeError. If TypeError is not raised, then it is string-like. Only downside is that I don't know the performance cost if the string is large. Maybe the interpreter is smart enough that there is essentially zero cost? I don't kno...
How to create a zip archive of a directory in Python?
...
For me this code throwing below error TypeError: invalid file: <zipfile.ZipFile [closed]>
– Nishad Up
Aug 23 '17 at 12:41
...
Android TextView Justify Text
...asses. one of them didnt have any packagename, the other gives some yellow error. Actually I can not trust.
– mehmet
Apr 22 '14 at 20:35
...
MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
...ld must be in the select, because otherwise the having clause will give an error, but I'm not 100% sure
Never use IN with a subquery; this is notoriously slow.
Only ever use IN with a fixed list of values.
More tips
If you want to make queries faster,
don't do a SELECT * only select
the field...
Formatting a float to 2 decimal places
...rpolated strings. I'm actually posting this because I'm tired of trial and error and eventually scrolling through tons of docs every time I need to format some scalar.
$"{1234.5678:0.00}" "1234.57" 2 decimal places, notice that value is rounded
$"{1234.5678,10:0.00}" " 1234.57" ...
Triggering HTML5 Form Validation
...uite annoying, I assume you have a better solution for notifying about the errors. Here's a working example of my code above.
share
|
improve this answer
|
follow
...
How to remove \xa0 from string in Python?
...
When I try this, I get UnicodeDecodeError: 'ascii' codec can't decode byte 0xa0 in position 397: ordinal not in range(128).
– gwg
May 28 '15 at 22:15
...