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cannot convert data (type interface {}) to type string: need type assertion
I am pretty new to go and I was playing with this notify package.
4 Answers
4
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RegEx for matching UK Postcodes
...ts better to loosely match with a simplified regex to weed out the obvious errors and then apply further checks such as an address lookup (or confirmation email in the case of email regex) to confirm the validity.
– James Coyle
Mar 22 '19 at 9:20
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Generate MD5 hash string with T-SQL
... 'OK'
,SUBSTRING(sys.fn_sqlvarbasetostr(HASHBYTES('MD5', @hash)),3,32) as 'ERROR_01'
,SUBSTRING(sys.fn_sqlvarbasetostr(HASHBYTES('MD5',convert(varbinary(max),@hash))),3,32) as 'ERROR_02'
,SUBSTRING(sys.fn_sqlvarbasetostr(sys.fn_repl_hash_binary(convert(varbinary(max),@hash))),3,32)
,SUBSTRING(sys.fn...
How to create a file in a directory in java?
...n't forget to check the called method (mkdirs and createNewFile) calls for errors
– Alessandro S.
Jul 28 '15 at 12:26
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Simulate delayed and dropped packets on Linux
...empting to use tc qdisc change on an interface with no rules will give the error RTNETLINK answers: No such file or directory.
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How to install CocoaPods?
...ed to install but always failed because of the starting steps. I found one error whereby I can't install gems first. Can anyone give me the steps one by one? How to install or demo.
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Mockito: Inject real objects into private @Autowired fields
...se is a terrible advise. It makes the test class brittle, not straight and error prone : What is really mocked ? What is really tested ?
@InjectMocks and @Spy also hurts the overall design since it encourages bloated classes and mixed responsibilities in the classes.
Please read the spy() javadoc be...
How can I add an item to a IEnumerable collection?
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The first Prepend method is giving me an error. "'object[]' does not contain a definition for 'Concat' and the best extension method overload 'System.Linq.Enumerable.Concat<TSource>(System.Collections.Generic.IEnumerable<TSource>, System.Collections.Gene...
Android Fragment lifecycle over orientation changes
...reated. This is a massive pain in the rear most of the time.
You can stop errors occurring by using the same Fragment rather than recreating a new one. Simply add this code:
if (savedInstanceState == null) {
// only create fragment if activity is started for the first time
mFragmentManager...
@Basic(optional = false) vs @Column(nullable = false) in JPA
What's the difference between @Basic(optional = false) and @Column(nullable = false) in JPA persistence?
2 Answers
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