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Java: How to test methods that call System.exit()?
...w ExitException(status);
}
}
@Override
protected void setUp() throws Exception
{
super.setUp();
System.setSecurityManager(new NoExitSecurityManager());
}
@Override
protected void tearDown() throws Exception
{
System.setSecurityManag...
How to import CSV file data into a PostgreSQL table?
..._sql("my_table_name", engine)
And here's some code that shows you how to set various options:
# Set it so the raw sql output is logged
import logging
logging.basicConfig()
logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)
df.to_sql("my_table_name2",
engine,
if_e...
Android: Scale a Drawable or background image?
... way will be to just create an layout, where you will use an ImageView and set the scaleType to fitCenter.
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How to define a two-dimensional array?
...comprehension".
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Matrix = [[0 for x in range(w)] for y in range(h)]
You can now add items to the list:
Matrix[0][0] = 1
Matrix[6][0] = 3 # error! range...
Matrix[0][6] = 3 # valid
Note that the matrix is "y" addre...
Java HTTPS client certificate authentication
...ged to solve all the issues, so I'll answer my own question. These are the settings/files I've used to manage to get my particular problem(s) solved;
The client's keystore is a PKCS#12 format file containing
The client's public certificate (in this instance signed by a self-signed CA)
The client'...
count vs length vs size in a collection
...ms, the size of a string doesn't seem very obvious, whilst the length of a set is equally confusing even though they might be used to refer to the same thing (number of elements) in a collection of data.
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what is the difference between sendStickyBroadcast and sendBroadcast in Android
...
sendbroadcast() - normal broadcast, but we can set priority as well.
sendstickybroadcast() - intent passed with this will be stick for future users who are registering through code (dynamic receivers).
The broadcast that will stick with android, and will be re-delivered ...
What is the difference between Serializable and Externalizable in Java?
...o i am not serializing it in writeExternal(ObjectOutput oo) method and not setting the value of same in readExternal(ObjectInput oi). That's the flexibility that is provided by Externalizable.
The output of the above code is as per below:
userName: nikki passWord: student001 roll: 20
**********...
How to disable visual “dots” in Visual Studio Editor
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
What's the difference between text/xml vs application/xml for webservice response
...the encoding, so there should not be any more any differences in character set handling between application/xml and text/xml. In addition, I consider this part of the abstract: "This specification standardizes ... application/xml ... while defining text/xml ... as alias..." to mean that application/...