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Why is === faster than == in PHP?
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202
Because the equality operator == coerces, or converts, the data type temporarily to see if it...
Xcode doesn't show the line that causes a crash
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301
You should also ensure that you have breakpoints set for all exceptions. This will cause Xcode...
Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
Ora-00257 错误处理一列sqlplus assysdba报错ORA-12162切回系统确认系统当前的ORACLE_HOME和ORACLE_SID环境变量[oracle@asdlabdb01~]$echo$ORACLE_HOME空的[oracle...sqlplus /as sysdba
报错ORA-12162
切回系统
确认系统当前的ORACLE_HOME和ORACLE_SID环境变量
[oracle...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
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100
A range is just that: something defined by its start and end, not by its contents. "Iterating" ...
How do I get the path and name of the file that is currently executing?
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Krzysztof Janiszewski
3,40422 gold badges1313 silver badges3232 bronze badges
answered Sep 8 '08 at 23:02
Pat NotzPat Notz
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Is it possible to modify variable in python that is in outer, but not global, scope?
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Python 3.x has the nonlocal keyword. I think this does what you want, but I'm not sure if you ...
Getting one value from a tuple
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207
You can write
i = 5 + tup()[0]
Tuples can be indexed just like lists.
The main difference b...
Ruby: What is the easiest way to remove the first element from an array?
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answered Sep 1 '10 at 7:05
SjoerdSjoerd
66.5k1414 gold badges111111 silver badges162162 bronze badges
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Can I change the viewport meta tag in mobile safari on the fly?
...]");
viewport.setAttribute('content', 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0');
Just change the parts you need and Mobile Safari will respect the new settings.
Update:
If you don't already have the meta viewport tag in the source, you can append it directly wi...
Decimal separator comma (',') with numberDecimal inputType in EditText
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105
A workaround (until Google fix this bug) is to use an EditText with android:inputType="numberDe...