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Search and replace a line in a file in Python
...ess something like this should do it. It basically writes the content to a new file and replaces the old file with the new file:
from tempfile import mkstemp
from shutil import move, copymode
from os import fdopen, remove
def replace(file_path, pattern, subst):
#Create temp file
fh, abs_pa...
Pandas - How to flatten a hierarchical index in columns
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pd.DataFrame(df.to_records()) # multiindex become columns and new index is integers only
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Check if all elements in a list are identical
...-----|----------------|
| s1 | 1.19 msec | 348 usec | 183 usec | 51.6 usec | 121 usec |
| s2 | 1.17 msec | 376 usec | 185 usec | 50.9 usec | 118 usec |
| s3 | 4.17 usec | 348 usec | 120 usec | 264 usec | 61.3 usec |
| | | ...
HTTP headers in Websockets client API
... from the optional second argument to the WebSocket constructor:
var ws = new WebSocket("ws://example.com/path", "protocol");
var ws = new WebSocket("ws://example.com/path", ["protocol1", "protocol2"]);
The above results in the following headers:
Sec-WebSocket-Protocol: protocol
and
Sec-WebSo...
What is the fastest substring search algorithm?
... to illustrate a possible strategy.
The multiple algorithm approach not a new idea. I believe it has been employed by a few
commercial Sort/Search packages (e.g. SYNCSORT commonly used on mainframes implements
several sort algorithms and uses heuristics to choose the "best" one for the given inputs...
Why should I use IHttpActionResult instead of HttpResponseMessage?
... with WebApi and have moved on to WebApi2 where Microsoft has introduced a new IHttpActionResult Interface that seems to recommended to be used over returning a HttpResponseMessage . I am confused on the advantages of this new Interface. It seems to mainly just provide a SLIGHTLY easier way to ...
Building a notification system [closed]
...ID in the notification_object table? In other words when will you create a new entry in notification and when will you just add an object and change to an existing notification with this structure?
– Bas Goossen
Feb 27 '14 at 18:48
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Illegal pattern character 'T' when parsing a date string to java.util.Date
...eZone("UTC");
TimeZone.setDefault(UTC);
final Calendar c = new GregorianCalendar(UTC);
c.set(1, 0, 1, 0, 0, 0);
c.set(Calendar.MILLISECOND, 0);
BEGINNING_OF_TIME = c.getTime();
c.setTime(new Date(Long.MAX_VALUE));
END_OF_TIME = c.getTime();
...
Android: Vertical ViewPager [closed]
...// The majority of the magic happens here
setPageTransformer(true, new VerticalPageTransformer());
// The easiest way to get rid of the overscroll drawing that happens on the left and right
setOverScrollMode(OVER_SCROLL_NEVER);
}
private class VerticalPageTransformer...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
...n or your custom function. Then it gets evaluated every time you request a new default value.
def get_deadline():
return datetime.today() + timedelta(days=20)
class Bill(models.Model):
name = models.CharField(max_length=50)
customer = models.ForeignKey(User, related_name='bills')
d...