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Put content in HttpResponseMessage object?
...onseMessage response = Request.CreateResponse(HttpStatusCode.BadRequest, "Error message");
You can pass objects not just strings to CreateResponse and it will serialize them based on the request's Accept header. This saves you from manually choosing a formatter.
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How to delete a certain row from mysql table with same column values?
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This is not working for me in 5.5.40, it throws a syntax error. As mentioned here: stackoverflow.com/a/578926/1076075, it seems like we can't use a subquery to specify the value of a LIMIT clause. For anyone trying to do stuff this way, check this out: stackoverflow.com/q/578867/10...
Ternary operator (?:) in Bash
...ug: if op1 has a nonzero exit status, op2 silently becomes the result; the error will also not be caught in -e mode. So, that expression is only safe to use if op1 can never fail (e.g., :, true if a builtin, or variable assignment without any operations that can fail (like division and OS calls)).
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Effects of the extern keyword on C functions
...fine a file scope variable. For example,
extern int i = 4;
will give an error or warning, depending on the compiler.
Usage of extern is useful if you explicitly want to avoid definition of a variable.
Let me explain:
Let's say the file a.c contains:
#include "a.h"
int i = 2;
int f() { i++; ...
Pretty Printing a pandas dataframe
...as:
pd.DataFrame({'A': [1, 2], 'B': ['a,', 'b']})
Prettytable raises an error of the form:
Error: Could not determine delimiter
The following function handles this case:
def format_for_print(df):
table = PrettyTable([''] + list(df.columns))
for row in df.itertuples():
tabl...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...ts using twitter4j library for my java project. On my first run I got an error about certificate sun.security.validator.ValidatorException and sun.security.provider.certpath.SunCertPathBuilderException . Then I added twitter certificate by:
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Windows batch: sleep [duplicate]
...ts that the switch port was down, the network connection was lost and ping errored out with a hardware error message, and ran through the supposedly 1-second long pings in a fraction of the expected time.
– Wes Larson
Jan 28 '16 at 23:16
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What does principal end of an association means in 1:1 relationship in Entity framework
I was trying to do this in Entity Framework when I got the error:
3 Answers
3
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Calling JavaScript Function From CodeBehind
...m, but NOT after the </form> ending tag (otherwise a Object expected error will occur)
– BornToCode
Aug 22 '13 at 14:53
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Determine project root from a running node.js application
...the directory doesn't contain your application then it should exit with an error prompting the user to create the variable. It could be set as a part of an install process.
You can read environment variables in node with something like process.env.MY_ENV_VARIABLE.
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