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What is the difference between varchar and varchar2 in Oracle?
...here rownum=1;
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> create table test (my_char varchar(20));
Table created.
SQL> desc test
Name Null? Type
MY_CHAR VARCHAR2(20)
There are also some implications of VARC...
Oracle TNS names not showing when adding new connection to SQL Developer
...force it to clear this list? If so, please respond to stackoverflow.com/q/6412559/168646
– David Oneill
Jun 20 '11 at 14:14
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How to nicely format floating numbers to String without unnecessary decimal 0?
An 64-bit double can represent integer +/- 2 53 exactly
26 Answers
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Multiple line code example in Javadoc comment
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64
I would have thought so too, but unfortunately it doesn't, you still need to add the <pre> tag to get line breaks.
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Check if a row exists, otherwise insert
...Is MERGE an atomic statement in SQL2008?] (stackoverflow.com/questions/9871644/…)
– James
Feb 3 '15 at 22:41
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Matplotlib tight_layout() doesn't take into account figure suptitle
... )
plt.show()
The result:
[Using Python 2.7.3 (64-bit) and matplotlib 1.2.0]
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StringIO in Python3
...ld be applied instead. Tested myself on python 3.5 @ eclipse pyDev + win7 x64. Please let me know if I were wrong thanks.
– Bill Huang
Mar 5 '16 at 17:16
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In Python, what is the difference between “.append()” and “+= []”?
...a local function.
time results are different on different python versions: 64 and 32 bit
e.g.
timeit.Timer('for i in xrange(100): app(i)', 's = [] ; app = s.append').timeit()
good tests can be found here: http://markandclick.com/1/post/2012/01/python-list-append-vs.htm...
Disable same origin policy in Chrome
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Dagg NabbitDagg Nabbit
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How do you create a Swift Date object?
...reating a Date and Time in Swift
In Swift, dates and times are stored in a 64-bit floating point number measuring the number of seconds since the reference date of January 1, 2001 at 00:00:00 UTC. This is expressed in the Date structure. The following would give you the current date and time:
let cu...