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How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...hods or attributes available on standard file handles.
read_data is a string for the read method of the file handle to
return. This is an empty string by default.
>>> from mock import mock_open, patch
>>> m = mock_open()
>>> with patch('{}.open'.format(__name__), ...
jQuery: Count number of list elements?
...'ve got a list that is generated from some server side code, before adding extra stuff to it with jQuery I need to figure out how many items are already in it.
...
GIT commit as different user without email / or only email
... the existing commits and use the first commit that contains your provided string.
Examples:
Only user name
Omit the email address explicitly:
git commit --author="John Doe <>" -m "Impersonation is evil."
Only email
Technically this isn't possible. You can however enter the email addres...
Microsoft Roslyn vs. CodeDom
...uch finer control of the whole process - for example you could analyse the string and even generate additional code (on-the-fly within the compile process based on the analysis), etc.
CodeDom is "just using the compiler" while Roslyn is "compiler as a service with full access to (sub-) parts"... wi...
SortedList, SortedDictionary and Dictionary
...on the Key values (defined in an IComparer). For example, if your Keys are Strings, then your Collection will by default be processed per the alphabetical order of your Keys, but you could always define a custom sorting rule.
– Ama
Feb 20 '19 at 14:44
...
How to use ScrollView in Android?
...on one of the views in the LinearLayout makes that view expand to fill any extra space.
Here is the XML
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match...
ctypes - Beginner
...endl;
}
which is compiled as before and the imported in the same way. The extra Python code to use this function would then be,
import numpy as np
py_print_array = lib.print_array
py_print_array.argtypes = [ctl.ndpointer(np.float64,
flags='aligned, c_conti...
How to delete duplicates on a MySQL table?
...o = b.foo and
a.bar = b.bar
where b.myindex IS NULL;
#drop the extra column on the copied table
alter table penguins_copy drop moo;
select * from penguins_copy;
#drop the first table and put the copy table back:
drop table penguins;
create table penguins select * from penguins_copy...
Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... not sure exactly what's happening behind the scenes, but I don't have any extra code of my own that is modifying the tables. Is there a way to change this concurrency setting?
– strongopinions
Dec 4 '09 at 0:16
...