大约有 30,000 项符合查询结果（耗时：0.0816秒） [XML]
Is recursion a feature in and of itself?
... Overflows
The more obvious one is that you risk getting a stack overflow error. Realistically, the method you wrote is very unlikely to actually lead to one, since a user would have to give incorrect input many many times to actually trigger a stack overflow.
However, one thing to keep in mind i...
python pandas remove duplicate columns
... This solution give me problems on large dataframes: RecursionError: maximum recursion depth exceeded
– Scott
Jul 17 '18 at 17:22
...
How to set Oracle's Java as the default Java in Ubuntu?
...o set your JAVA_HOME environment variable:
$ JAVA_HOME=/usr/java/jdk1.8.0_05/
$ sudo update-alternatives --install /usr/bin/java java ${JAVA_HOME%*/}/bin/java 20000
$ sudo update-alternatives --install /usr/bin/javac javac ${JAVA_HOME%*/}/bin/javac 20000
make sure the Oracle's java is set as defa...
How do you add a timer to a C# console application
...e reason why while(1) will not work is it is not valid c#: test.cs(21,20): error CS0031: Constant value '1' cannot be converted to a 'bool'
– Blake7
Feb 17 '14 at 14:07
1
...
Authenticate with GitHub using a token
...
Insecure approach. Key easily cat'd to logs on error. Use a tightly scoped deploy key instead.
– Joseph Lust
Jan 7 '18 at 3:34
...
CSS file not opening in Visual Studio 2010 SP1?
...
I got this error after installed ASP.NET 4 RC last week and now it's fixed. Thanks very much.
– Tien Do
Jun 26 '12 at 4:31
...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...from a nvarchar(X) column to a varchar(X) column to fail with a truncation error (where X denotes a number that is the same in both instances).
SQL Server 2012 adds SC (Supplementary Character) collations that support UTF-16. In these collations a single nvarchar character may take 2 or 4 bytes.
...
Accessing the logged-in user in a template
...n default('') should be nice when user is NOT login by just avoid annoying error message.
share
|
improve this answer
|
follow
|
...
Use of “global” keyword in Python
... call last):
File "file.py", line 9, in <module>
print(me)
NameError: name 'me' is not defined
While if you use the global statement, the variable will become available "outside" the scope of the function, effectively becoming a global variable.
def bob():
global me
me = "loca...
Single Page Application: advantages and disadvantages [closed]
...l), then the number of requests to the server (read "possibilities for 503 errors that wreck your user experience") is dramatically reduced. In fact, a SPA makes it possible to do entirely offline processing, which is huge in some situations.
Performance is certainly better with client-side renderin...