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What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
...iver.
It doesn't "do" anything in terms of connecting to a database, aside from ensure that the specified class is loaded by the current classloader. There is no fundamental difference between writing
Class<?> driverClass = Class.forName("oracle.jdbc.driver.OracleDriver");
// and
Class<?>...
Add column with constant value to pandas dataframe [duplicate]
...ere's how DataFrame.align() works with partially aligned indices:
In [7]: from pandas import DataFrame
In [8]: from numpy.random import randint
In [9]: df = DataFrame({'a': randint(3, size=10)})
In [10]:
In [10]: df
Out[10]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
In [11]: s = d...
In Python, when should I use a function instead of a method?
...eption("NYAN "*9001)
else:
print "can't kill it."
Moving away from this analogy, why do we use methods and classes? Because we want to contain data and hopefully structure our code in a manner such that it will be reusable and extensible in the future. This brings us to the notion of en...
Oracle JDBC ojdbc6 Jar as a Maven Dependency
...e jar is present. Here is what you need to do -
Go to your project folder from where you can run maven commands (When you do an ls -ltr in this folder, you should see pom.xml)
Do this -
mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0.3 -Dpackaging=jar -Dfile=<...
Is there any way to do HTTP PUT in python
I need to upload some data to a server using HTTP PUT in python. From my brief reading of the urllib2 docs, it only does HTTP POST . Is there any way to do an HTTP PUT in python?
...
Catch browser's “zoom” event in JavaScript
...
Better news would be an actual zoom event, distinct from the resize event.
– Vincent
Feb 15 '17 at 3:41
4
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Which characters need to be escaped when using Bash?
... not sure what you mean. With those sed commands the input string is taken from stdin.
– Jo So
Aug 16 '17 at 16:12
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Difference between add(), replace(), and addToBackStack()
...t finds a fragment by its tag that you defined before either when inflated from XML or as supplied when added in a transaction.
References: FragmentTransaction
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Profiling Vim startup time
...there's the --startuptime option you can use.
vim --startuptime vim.log
from the help (vim -h):
--startuptime <file> Write startup timing messages to <file>
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I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
...-01');
$end = new DateTime('2010-05-10');
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($begin, $interval, $end);
foreach ($period as $dt) {
echo $dt->format("l Y-m-d H:i:s\n");
}
This will output all days in the defined period between $start and $end. ...