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Java: Difference between the setPreferredSize() and setSize() methods in components
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Usage depends on whether the component's parent has a layout manager or not.
setSize() -- use when a parent layout manager does not exist;
setPreferredSize() (also its related setMinimumSize and setMaximumSize) -- use when a parent layout manager exists.
The setSize() method prob...
Linux: is there a read or recv from socket with timeout?
How can I try to read data from socket with timeout?
I know, select, pselect, poll, has a timeout field, but using of them disables "tcp fast-path" in tcp reno stack.
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Difference between Bridge pattern and Adapter pattern
...is useful when you have existing code, be it third party, or in-house, but out of your control, or otherwise not changeable to quite meet the interface you need it to. For instance, we have a SuperWeaponsArray which can control a fine array of doomsday devices.
public class SuperWeaponsArray {
...
What is meaning of boolean value returned from an event-handling method in Android
...t is if the View is clickable or not clickable
Example, I have a LinearLayout contains 1 Button and 1 TextView like this
<LinearLayout
android:id="@+id/linearlayout_root"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layou...
get list from pandas dataframe column
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Pandas DataFrame columns are Pandas Series when you pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast it with list(x).
import pandas as pd
data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']),
'two': pd....
Authenticating in PHP using LDAP through Active Directory
...ions of AD will bind successfully if the password provided is empty. Watch out for this! You may need to ensure a non-empty password before trying to authenticate.
– diolemo
Oct 20 '11 at 16:32
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Understanding spring @Configuration class
...XMLs altogether but they are not in the scope of this answer. You can find out one of these options in my blog post on which I'm basing my answer.
The advantages and disadvantages of using this method
Basically I find this method of declaring beans much more comfortable than using XMLs due to a...
Difference between decimal, float and double in .NET?
...e decimal point far enough to the right that you've got an integer to work out the significand and the scale. For float/double you'd start with a number written in binary.
– Jon Skeet
Nov 26 '15 at 7:20
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How to import existing Git repository into another?
...ster:
In YYY:
git remote add other /path/to/XXX
git fetch other
git checkout -b ZZZ other/master
mkdir ZZZ
git mv stuff ZZZ/stuff # repeat as necessary for each file/dir
git commit -m "Moved stuff to ZZZ"
git checkout master
git merge ZZZ --allow-unrelated-hist...
How to handle click event in Button Column in Datagridview?
... is clicked on the DataGrid. You can't add it to the DataGrid itself, without getting messy with inheritance etc., but you can add a custom event to your form and fire it when appropriate. It's a little more code, but the upside is that you've separated out what you want to do when a button is cli...