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How to avoid 'cannot read property of undefined' errors?
... edited Jan 21 at 17:29
Brandon Dyer
99088 silver badges1717 bronze badges
answered Feb 20 '17 at 16:23
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How to know what the 'errno' means?
...s useful if you're formatting the error message for something other than standard error output.
For example:
#include <errno.h>
#include <string.h>
/* ... */
if(read(fd, buf, 1)==-1) {
printf("Oh dear, something went wrong with read()! %s\n", strerror(errno));
}
Linux also supp...
Automapper - how to map to constructor parameters instead of property setters
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Looks like CreateMap<> should be PersonViewModel and not PersonProfile. As well as in the second code block PersonModel should be PersonViewModel.
– Ben Sampica
Aug 7 '19 at 19:30
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Change color of UISwitch in “off” state
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@Felipe Gringo No problem. Depend on your UI. Standard UISwitch is 31pt.
– Long Pham
Dec 13 '15 at 13:11
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Web colors in an Android color xml resource file
What do all of the X11/w3c color codes look like in the format of an Android XML resource file?
11 Answers
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Java: function for arrays like PHP's join()?
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If you were looking for what to use in android, it is:
String android.text.TextUtils.join(CharSequence delimiter, Object[] tokens)
for example:
String joined = TextUtils.join(";", MyStringArray);
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PHP cURL custom headers
...a cURL HTTP request in PHP. I'm trying to emulate how iTunes grabs artwork and it uses these non-standard headers:
4 Answer...
jQuery counting elements by class - what is the best way to implement this?
...do is to count all of the elements in the current page with the same class and then I'm going to use it to be added onto a name for an input form. Basically I'm allowing users to click on a <span> and then by doing so add another one for more of the same type of items. But I can't think of a...
C# Create New T()
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And what exactly is that context? Please add it to the original question.
– James
Jun 30 '11 at 11:38
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How can I format a nullable DateTime with ToString()?
... format)
=> dt == null ? "n/a" : ((DateTime)dt).ToString(format);
And starting in C# 6, you can use the null-conditional operator to simplify the code even more. The expression below will return null if the DateTime? is null.
dt2?.ToString("yyyy-MM-dd hh:mm:ss")
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