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How to urlencode a querystring in Python?
...urlencode() as either a mapping (dict), or a sequence of 2-tuples, like:
>>> import urllib
>>> f = { 'eventName' : 'myEvent', 'eventDescription' : 'cool event'}
>>> urllib.urlencode(f)
'eventName=myEvent&eventDescription=cool+event'
Python 3 or above
Use:
>>...
Downloading MySQL dump from command line
...ample:
If it's an entire DB, then:
$ mysqldump -u [uname] -p db_name > db_backup.sql
If it's all DBs, then:
$ mysqldump -u [uname] -p --all-databases > all_db_backup.sql
If it's specific tables within a DB, then:
$ mysqldump -u [uname] -p db_name table1 table2 > table_backu...
How many threads can a Java VM support?
...release you're using, and other factors. I've seen a Windows server have > 6500 Threads before bringing the machine down. Most of the threads were not doing anything, of course. Once the machine hit around 6500 Threads (in Java), the whole machine started to have problems and become unstable.
...
Android: How to handle right to left swipe gestures
... float diffX = e2.getX() - e1.getX();
if (Math.abs(diffX) > Math.abs(diffY)) {
if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
if (diffX > 0) {
onSwi...
Add a new item to a dictionary in Python [duplicate]
... implement the + operator for dictionaries, the following seems to work:
>>> class Dict(dict):
... def __add__(self, other):
... copy = self.copy()
... copy.update(other)
... return copy
... def __radd__(self, other):
... copy = other.copy()
... ...
How to reset a single table in rails?
...
To reset the index/primary key in SQLite just type:
$ rails console
> ActiveRecord::Base.connection.execute("DELETE from sqlite_sequence where name = 'yourtablename'")
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Regular expression matching a multiline block of text
...
This will work:
>>> import re
>>> rx_sequence=re.compile(r"^(.+?)\n\n((?:[A-Z]+\n)+)",re.MULTILINE)
>>> rx_blanks=re.compile(r"\W+") # to remove blanks and newlines
>>> text="""Some varying text1
...
... AA...
What does “@@ -1 +1 @@” mean in Git's diff output?
...ou can change the header's content with the --label=label option; see See Alternate Names.
Next come one or more hunks of differences; each hunk shows one area where the files differ. Unified format hunks look like this:
@@ from-file-line-numbers to-file-line-numbers @@
line-from-either-file...
Where is the “Create Unit Tests” selection?
...lable
To add directly from Visual Studio 2012/2013 IDE:
Menu: Tools -> Extensions and Updates
Click: Online -> Visual Studio Gallery
Search for: "Unit Test Generator"
MSDN Video Demonstration
Note: MSTest in VS 2012/2013 still sucks
...
How do I find the location of Python module sources?
... imported and from where. This works for me on Windows and Mac OS X.
C:\>python -v
# installing zipimport hook
import zipimport # builtin
# installed zipimport hook
# C:\Python24\lib\site.pyc has bad mtime
import site # from C:\Python24\lib\site.py
# wrote C:\Python24\lib\site.pyc
# C:\Python24...