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What's the use of session.flush() in Hibernate
... of the finer use cases where this comes in handy?
– java_geek
May 11 at 11:03
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Python List vs. Array - when to use?
...internally as an array and has the same time complexity characteristics as Java's ArrayList. Thus, getting and setting the i'th element of a Python list takes constant time. Appending an element to a Python list takes amortized constant time because the array size is doubled when it runs out of spac...
How to get CRON to call in the correct PATHs
... the file /etc/profile.d/myenvvars.sh and set variables like this:
export JAVA_HOME=/usr/lib/jvm/jdk1.7.0
export PATH=$PATH:$JAVA_HOME/bin
Execute crontab with login option!
CRONTAB run script or command with Environment Variables
0 9 * * * cd /var/www/vhosts/foo/crons/; bash -l -c 'php -f ./d...
Android LocationClient class is deprecated but used in documentation
...el.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import java.io.IOException;
import java.util.List;
public class MapWithMapViewActivity extends AppCompatActivity implements OnMapReadyCallback,
GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener...
30岁之后，程序员该向什么方向发展？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...，国外的大公司都是在用开源的方式做技术，尤其是基于Java和Go语言的牛逼项目。
我们小公司创业公司，或者大公司都可以直接拿来使用。
我觉得做开源有2个好处：集思广益和精雕细琢。让大家来贡献并且促使对自己的代码...
HashMap with multiple values under the same key
...s.
3. Using a tuple
// you'll have to write or download a Tuple class in Java, (.NET ships with one)
// create our map
Map<String, Tuple2<Person, Person> peopleByForename = new HashMap<>();
// populate it
peopleByForename.put("Bob", new Tuple2(new Person("Bob Smith",
...
Go > operators
... i int32 = -2;
u >> 1; // Is 0x40000000 similar to >>> in Java
i >> 1; // Is -1 similar to >> in Java
So when applied to an unsigned integer, the bits at the left are filled with zero, whereas when applied to a signed integer, the bits at the left are filled with the ...
Is JavaScript a pass-by-reference or pass-by-value language?
...
It's interesting in JavaScript. Consider this example:
function changeStuff(a, b, c)
{
a = a * 10;
b.item = "changed";
c = {item: "changed"};
}
var num = 10;
var obj1 = {item: "unchanged"};
var obj2 = {item: "unchanged"};
...
Selenium WebDriver: Wait for complex page with JavaScript to load
I have a web application to test with Selenium. There is a lot of JavaScript running on page load.
This JavaScript code is not so well written but I can't change anything.
So waiting for an element to appear in the DOM with findElement() method is not an option.
I want to create a generic func...
Difference between BeautifulSoup and Scrapy crawler?
...ed data from their pages.
But it has some limitations when data comes from java script or
loading dynamicaly, we can over come it by using packages like splash,
selenium etc.
BeautifulSoup:
Beautiful Soup is a Python library for pulling data out of HTML and
XML files.
we can use this package fo...