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ViewParam vs @ManagedProperty(value = “#{param.id}”)
... could use <f:viewAction> for that instead.
Allows for nested <f:converter> and <f:validator> for more fine-grained conversion/validation. Even a <h:message> can be attached.
Can be included as GET query string using includeViewParams attribute of <h:link> or includeV...
The maximum value for an int type in Go
...omplement arithmetic, you can infer the
min/max constant values for int and uint. For example,
const MaxUint = ^uint(0)
const MinUint = 0
const MaxInt = int(MaxUint >> 1)
const MinInt = -MaxInt - 1
As per @CarelZA's comment:
uint8 : 0 to 255
uint16 : 0 to 65535
uint32 : 0 to 4294...
Are typedef and #define the same in c?
I wonder if typedef and #define are the same in c ?
10 Answers
10
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How to dynamically build a JSON object with Python?
...and I'm intentionally using this to demonstrate how you can store null and convert it to json null)
import json
print('serialization')
myDictObj = { "name":"John", "age":30, "car":None }
##convert object to json
serialized= json.dumps(myDictObj, sort_keys=True, indent=3)
print(serialized)
## now we...
How can I calculate the time between 2 Dates in typescript
...culate the difference you have to put the + operator,
that way typescript converts the dates to numbers.
+new Date()- +new Date("2013-02-20T12:01:04.753Z")
From there you can make a formula to convert the difference to minutes or hours.
...
How do I escape a reserved word in Oracle?
... it graciously allows omitting the double-quotes, in which case it quietly converts the identifier to uppercase:
SELECT MyColumn AS MyColAlias
FROM MyTable Alias
WHERE ThisCol = 'That Value';
gets internally converted to something like:
SELECT "ALIAS" . "MYCOLUMN" AS "MYCOLALIAS"
FROM "THEUSER" ...
How to set a bitmap from resource
...
I got the issue. I was trying to convert vector drawable into bitmap. So here is the cod to convert vector drawable into bitmap.
– Er.Rohit Sharma
Mar 20 '18 at 12:12
...
Python serialization - Why pickle?
...
Pickling is a way to convert a python object (list, dict, etc.) into a character stream. The idea is that this character stream contains all the information necessary to reconstruct the object in another python script.
As for where the pickled i...
What is the difference between “def” and “val” to define a function
...
Method def even evaluates on call and creates new function every time (new instance of Function1).
def even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = false
val even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = true
With def you ...
java.util.Date vs java.sql.Date
...What I am saying that save the milliseconds/nanoseconds as plain longs and convert them to whatever objects you are using (obligatory joda-time plug). One hacky way which can be done is to store the date component as one long and time component as another, for example right now would be 20100221 and...