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Shell script while read line loop stops after the first line
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The problem is that do_work.sh runs ssh commands and by default ssh reads from stdin which is your input file. As a result, you only see the first line processed, because ssh consumes the rest of the file and your while loop terminates.
To preve...
How to print SQL statement in codeigniter model
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To display the query string:
print_r($this->db->last_query());
To display the query result:
print_r($query);
The Profiler Class will display benchmark results, queries you have run, and $_POST data at the bottom of your pages.
To enable the p...
Basic http file downloading and saving to disk in python?
...URLopener is deprecated.
And when used you will get error as below:
url_opener = urllib.URLopener() AttributeError: module 'urllib' has no
attribute 'URLopener'
So, try:
import urllib.request
urllib.request.urlretrieve(url, filename)
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Print current call stack from a method in Python code
...port traceback
def f():
g()
def g():
for line in traceback.format_stack():
print(line.strip())
f()
# Prints:
# File "so-stack.py", line 10, in <module>
# f()
# File "so-stack.py", line 4, in f
# g()
# File "so-stack.py", line 7, in g
# for line in traceback.form...
UITableViewCell with UITextView height in iOS 7?
...l cover the following:
Of course: setting the height of a UITableViewCell based on the size needed to display the full contents of a contained UITextView
Respond to text changes (and animate the height changes of the row)
Keeping the cursor inside the visible area and keeping first responder on the...
What is the use of having destructor as private?
...e connection being open or a file being written. You could have a "request_delete" method in the class or the manager that will check that condition and it will either delete or decline, and return a status telling you what it did. That's far more flexible that just calling "delete".
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Throw HttpResponseException or return Request.CreateErrorResponse?
... /// </summary>
public UnhandledExceptionFilterAttribute() : base()
{
}
#endregion
#region DefaultHandler
/// <summary>
/// Gets a delegate method that returns an <see cref="HttpResponseMessage"/>
/// that describes...
Is there a method to generate a UUID with go language
...andom UUIDs from ones generated via other algorithms (e.g. version 1 UUIDs based on your MAC address and time).
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Is there a built in function for string natural sort?
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I wrote a function based on http://www.codinghorror.com/blog/2007/12/sorting-for-humans-natural-sort-order.html which adds the ability to still pass in your own 'key' parameter. I need this in order to perform a natural sort of lists that conta...
Python exit commands - why so many and when should each be used?
...ution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
4 Answers
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