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What's “requestCode” used for on PendingIntent?
...oto correct screen, I dont know whether is this the correct way and for me error was happening only when multiple FCMs were there in tray
– JSONParser
Dec 15 '18 at 9:06
...
To Workflow or Not to Workflow?
...use it at the time and we should have waited for .NET 4.5. If you make an error in the workflow and bugs arise, after addressing the bug in the WF design, you can't easily correlate back to persisted long running workflows. You essentially have to start again. 3.5 had DynamicUpdates, although the...
How dangerous is it to access an array out of bounds?
...hings happen on computers I've used (corrupted files, unrecoverable system errors, etc.), and I have no idea how many of them might have been caused by some C program exhibiting the dreaded undefined behavior. (So far no actual demons have flown out of my nose.)
– Keith Thompso...
Python (and Python C API): __new__ versus __init__
...re creating. I can't actually change it into an int as you did... I get an error about heap types or something... but my example of assigning it to a dynamically created class works.
– ArtOfWarfare
Jan 21 '16 at 18:52
...
MyISAM versus InnoDB [closed]
...as in CHECK TABLE will return success and all queries will proceed without errors. MyISAM will abort the update without updating all the records, but the table will maintain internal structural integrity. Killing mysqld with SIGTERM will have the same effect. However if you give it SIGKILL (kill -9)...
Can we define implicit conversions of enums in c#?
...
Corrected a little offguard error in the post :-) It's public static implicit operator AccountStatus(byte value) { return Convert(value); } NOT return Convert(byte);
– Mehdi LAMRANI
F...
Is there a naming convention for MySQL?
...ase_table_names is not correctly configured and your server start throwing errors just by simply unrecognizing your camelCase or PascalCase standard (case sensitivity problem).
Short names. Simple and clear. The most easy and fast is identify your table or columns, the better. Trust me, when you mak...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...write many queries, for example when you try to debug something)
it's more error prone because you can suddenly get too many or too few results when something goes wrong in the code which manages the connection table.
That's why I rarely recommend this approach.
...
What's the difference between Ruby's dup and clone methods?
...does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMethodError
o.clone.foo # returns 42
Second, clone preserves the frozen state, while dup does not.
class Foo
attr_accessor :bar
end
o = Foo.new
o.freeze
o.dup.bar = 10 # succeeds
o.clone.bar = 10 # raises RuntimeError
The...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...onding Unix commands. Differences are described with each of the commands. Error information is
sent to stderr and the output is sent to stdout.
If HDFS is being used,
hdfs dfs
is a synonym.
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