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Conditional import of modules in Python
...ad of relying on the user; here's pySerial doing it as an example.
serial/__init__.py
import sys
if sys.platform == 'cli':
from serial.serialcli import Serial
else:
import os
# chose an implementation, depending on os
if os.name == 'nt': # sys.platform == 'win32':
from se...
How to set username and password for SmtpClient object in .NET?
...
Since not all of my clients use authenticated SMTP accounts, I resorted to using the SMTP account only if app key values are supplied in web.config file.
Here is the VB code:
sSMTPUser = ConfigurationManager.AppSettings("SMTPUser")
s...
When should I use File.separator and when File.pathSeparator?
...ystem
pathSeparatorChar: Same as pathSeparator but it’s char
Note that all of these are final variables and system dependent.
Here is the java program to print these separator variables.
FileSeparator.java
import java.io.File;
public class FileSeparator {
public static void main(String[]...
What is the difference between decodeURIComponent and decodeURI?
... URI parts.
encodeURI in less common, and misleadingly named: it should really be called fixBrokenURI. It takes something that's nearly a URI, but has invalid characters such as spaces in it, and turns it into a real URI. It has a valid use in fixing up invalid URIs from user input, and it can also...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
... : Launch Operation" setting to:
Always launch the previously launched application
As Thorbjørn Ravn Andersen mentions in the comment, launching the last app used to be (3.2 or before) the default behavior.
Since 3.3M6 (March 2007), As illustrated by this thread:
By default, running an...
Disable Rails SQL logging in console
...
Works great in my Rails 3.1 app. Seemsl ike the nicest solution. +1
– Martijn
Mar 22 '12 at 10:41
...
How to make an Android Spinner with initial text “Select One”?
I want to use a Spinner that initially (when the user has not made a selection yet) displays the text "Select One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spi...
How do I convert a String to an InputStream in Java?
...ream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8));
Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8".
...
jQuery `.is(“:visible”)` not working in Chrome
...n appended to a
document since it depends on the applicable styles.
All option elements are considered hidden, regardless of their
selected state.
During animations that hide an element, the element is considered
visible until the end of the animation. During animations to show an
...
How to implement the activity stream in a social network
...stream for any user and then grab the related data from the db as needed. Fall back to querying the db by time if the user needs to browse far back in time (if you even offer this)
I use a plain old MySQL table for dealing with about 15 million activities.
It looks something like this:
id ...
