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const char * const versus const char *?
...lf however is not const.
Example.
const char *p = "Nawaz";
p[2] = 'S'; //error, changing the const data!
p="Sarfaraz"; //okay, changing the non-const pointer.
const char * const p = "Nawaz";
p[2] = 'S'; //error, changing the const data!
p="Sarfaraz"; //error, changing the const pointer.
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How do I convert seconds to hours, minutes and seconds?
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In python 3.5.2, I get a TypeError. I'm formatting a time.time()-start variable. Any insight? TypeError: non-empty format string passed to object.__format__
– medley56
Sep 25 '17 at 16:40
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How to update only one field using Entity Framework?
...are updating: if (db.Entry(user).Property(x => x.Password).GetValidationErrors().Count == 0)
– Ziul
Aug 27 '15 at 23:28
2
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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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Print PHP Call Stack
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To log the trace
$e = new Exception;
error_log(var_export($e->getTraceAsString(), true));
Thanks @Tobiasz
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Converting 'ArrayList to 'String[]' in Java
... I would prefer that syntax, but IntelliJ displays a compiler error with that, complains "T[] is not a functional interface."
– Glen Mazza
Jul 25 '16 at 16:11
3
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RuntimeWarning: invalid value encountered in divide
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it is better to set this before the line that causes the error then reset after the line to the normal state of 'warn' by the command np.seterr(divide='warn', invalid='warn')
– Mohammad ElNesr
Apr 14 '19 at 14:23
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ?
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Git submodule add: “a git directory is found locally” issue
... was no reason for the cache. Turns out in .git/modules that is where this error was lying.
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Is there a foreach loop in Go?
...mplement a foreach loop.
func PrintXml (out io.Writer, value interface{}) error {
var data []byte
var err error
for _, action := range []func() {
func () { data, err = xml.MarshalIndent(value, "", " ") },
func () { _, err = out.Write([]byte(xml.Header)) },
func...