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What is the behavior difference between return-path, reply-to and from?
...rcompany.com>
Subject: Super simple email
Reply-To: <coolstuff-threadId=123@mymailinglist.com>
This is a very simple body.
Now, let's say you are going to send it from a mailing list, that implements VERP (or some other bounce tracking mechanism that uses a different return-path). Lets...
Explain ExtJS 4 event handling
...e are equivalent) were created. So, for example, if we have html:
<div id="test_node"></div>
and we want add click event handler.
Let's retrieve Element:
var el = Ext.get('test_node');
Now let's check docs for click event. It's handler may have three parameters:
click( Ext.Even...
How can mixed data types (int, float, char, etc) be stored in an array?
...re. But consider that this definition is likely to be isolated to a single file. But we've eliminated the noise of specifiying the intermediate .val. before you get to the data.
record i;
i.tag = INT;
i.int_.val = 12;
record r;
r.tag = REAL;
r.real_.val = 57.0;
Instead, it goes at the end, where...
When is TCP option SO_LINGER (0) required?
...n has the flavor of a „client“ and has to fetch a huge amount of small files from the same server, you should not initiate a new TCP connection per file and end up in a huge amount of client connections in TIME_WAIT, but keep the connection open and fetch all data over the same connection. Linge...
Simple argparse example wanted: 1 argument, 3 results
... you want it to be, whatever 'a' represents. If you expect one argument, a file name for example, it is what was entered as the file name on the command line. You could then do your own processing to determine whether it exists in the filesystem, but that is another Q&A.
– ...
Why don't self-closing script elements work?
...n. Another point worth noticing is that Firefox will also have local .html files rendered as a tag-soup regardless of meta tags, for similar reasons. For XHTML files, Firefox will only render them accordingly if they're named .xhtml.
– alecov
Jan 8 '15 at 14:19...
Is there a typical state machine implementation pattern?
...his can be modified to suit the specific case. For example, you may have a file FSMFILE that you want to drive your FSM, so you could incorporate the action of reading next char into the the macro itself:
#define FSM
#define STATE(x) s_##x : FSMCHR = fgetc(FSMFILE); sn_##x :
#define NEXTSTA...
Is there a better way to express nested namespaces in C++ within the header
...espaces the same way but the required syntax is horrible within the header file.
11 Answers
...
surface plots in matplotlib
...
You can read data direct from some file and plot
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
from matplotlib import cm
import numpy as np
from sys import argv
x,y,z = np.loadtxt('your_file', unpack=True)
fig = plt.figure()
ax = A...
Troubleshooting “Illegal mix of collations” error in mysql
...eral_ci which causes another error: COLLATION 'utf8_general_ci' is not valid for CHARACTER SET 'latin1'' - even if you do not have a column with CHARACTER SET 'latin1'! The solution is to use the BINARY cast. See also this question
– Mel_T
Oct 22 '19 at 9:15
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