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Python: finding an element in a list [duplicate]
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But this code gives error when element is not in the list.In current example context if I search for 'three' (i.e: li.index('three')) gives error.
– Kedar.Aitawdekar
May 28 '14 at 7:31
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What is the difference between String.Empty and “” (empty string)?
... C# 4.0 or higher
void SomeMethod(int ID, string value = string.Empty)
// Error: Default parameter value for 'value' must be a compile-time constant
{
//... implementation
}
Case expression in switch statement
string str = "";
switch(str)
{
case string.Empty: // Error: A constant value i...
Match multiple cases classes in scala
...ern)
– Erik Kaplun
Jun 28 '14 at 10:05
2
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Determining 32 vs 64 bit in C++
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#if _WIN32 || _WIN64 … #elif __GNUC__ … #else # error "Missing feature-test macro for 32/64-bit on this compiler."?
– Davislor
Nov 29 '15 at 20:24
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Change R default library path using .libPaths in Rprofile.site fails to work
...up help page and there is RStudio material at: https://support.rstudio.com/hc/en-us/articles/200549016-Customizing-RStudio
In your case it appears that RStudio is not respecting the Rprofile.site settings or perhaps is overriding them by reading an .Rprofile setting from one of the RStudio defaults...
Undefined reference to `pow' and `floor'
...ts symbols from object file. You can see that this was compiled without an error, but pow, floor, and printf functions have undefined references, now if I will try to link this to executable:
$ gcc fib.o
fib.o: In function `fibo':
fib.c:(.text+0x57): undefined reference to `pow'
fib.c:(.text+0x84):...
accepting HTTPS connections with self-signed certificates
... return sf;
} catch (Exception e) {
throw new AssertionError(e);
}
}
}
We have created our custom HttpClient, now we can use it for secure connections. For example when we make a GET call to a REST resource:
// Instantiate the custom HttpClient
DefaultHttpClient clie...
Finding the index of an item in a list
...ure should be used if the list is very long?
– izhang05
Feb 22 at 20:36
@izhang: Some auxillary index, like an {elemen...
PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
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Example 4.
REQUEST_URI is different from SCRIPT_NAME when handling HTTP errors with scripts.
Using apache directive ErrorDocument 404 /404error.php
http://example.com/test.php
[REQUEST_URI] => /test.php
[SCRIPT_NAME] => /404error.php
On IIS server using custom error pages
http://example....
Should you always favor xrange() over range()?
...cent call last):
File "<stdin>", line 1, in <module>
OverflowError: Python int too large to convert to C long
Python 3 does not have this problem:
Python 3.2.3 (default, Jul 14 2012, 01:01:48)
[GCC 4.7.1] on linux2
Type "help", "copyright", "credits" or "license" for more informati...