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Drawing a line/path on Google Maps
...a123 I am trying the same code which your explain here. But I am getting error at this line String pairs[] = getDirectionData("ahmedabad", "vadodara"); and app will going to force close. Plz can you help in this issue .
– KAREEM MAHAMMED
...
Detect encoding and make everything UTF-8
...TPHEADER, $header);
$response = curl_exec($curl);
if (!$response) {
// error fetching the response
} else {
$offset = strpos($response, "\r\n\r\n");
$header = substr($response, 0, $offset);
if (!$header || !preg_match('/^Content-Type:\s+([^;]+)(?:;\s*charset=(.*))?/im', $header, $mat...
How to delete a certain row from mysql table with same column values?
...
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...
Lua string to int
...local function ToInteger(number)
return math.floor(tonumber(number) or error("Could not cast '" .. tostring(number) .. "' to number.'"))
end
In which case you explicitly convert the string (or really, whatever it is) into a number, and then truncate the number like an (int) cast would do in Ja...
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.
...
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...
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)).
...
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
...
“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:
...
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++; ...