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Filter by process/PID in Wireshark
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I don't see how. The PID doesn't make it onto the wire (generally speaking), plus Wireshark allows you to look at what's on the wire - potentially all machines which are communicating over the wire. Process IDs aren't unique across different machines, anyway.
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Rails create or update magic?
I have a class called CachedObject that stores generic serialised objects indexed by key. I want this class to implement a create_or_update method. If an object is found it will update it, otherwise it will create a new one.
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What is the correct XPath for choosing attributes that contain “foo”?
Given this XML, what XPath returns all elements whose prop attribute contains Foo (the first three nodes):
9 Answers
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Would it be beneficial to begin using instancetype instead of id?
...stancetype that, as far as I can see, replaces id as a return type in -alloc and init .
4 Answers
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Cannot set content-type to 'application/json' in jQuery.ajax
...S header is used to find out if the request from the originating domain is allowed. Using fiddler, I added the following to the response headers from my server.
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Content-Type
Access-Control-Allow-Methods: POST, GET, OPTIONS
Once the b...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
...error is determined. The distribution with the least error is returned.
All Distributions
Best Fit Distribution
Example Code
%matplotlib inline
import warnings
import numpy as np
import pandas as pd
import scipy.stats as st
import statsmodels as sm
import matplotlib
import matplotlib.pypl...
What does the smiley face “:)” mean in CSS?
...wsers.
Also there's a hack for <= IE 8:
div {
color: blue; /* All browsers */
color: purple\9; /* IE8 and earlier */
*color: pink; /* IE7 and earlier */
}
However that's not a good idea, they don't validate. You always feel free to work with Conditional comments for targeting...
Automatically deleting related rows in Laravel (Eloquent ORM)
...();
static::deleting(function($user) { // before delete() method call this
$user->photos()->delete();
// do the rest of the cleanup...
});
}
}
You should probably also put the whole thing inside a transaction, to ensure the referential integrity...
Explain the “setUp” and “tearDown” Python methods used in test cases
...nd tearDown methods while writing test cases apart from that setUp is called immediately before calling the test method and tearDown is called immediately after it has been called?
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Read Excel File in Python
...value))
except ValueError:
pass
finally:
values.append(value)
item = Arm(*values)
items.append(item)
for item in items:
print item
print("Accessing one single value (eg. DSPName): {0}".format(item.dsp_name))
print
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