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How to comment in Vim's config files: “.vimrc”?
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add a pipe before the double qoute if there is a command on the left of the comment
– Hartmut P.
Sep 23 '19 at 20:04
add a comment
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Write a program to find 100 largest numbers out of an array of 1 billion numbers
...et billionlog2(100) which is better than billionlog2(billion)
In general, if you need the largest K numbers from a set of N numbers, the complexity is O(NlogK) rather than O(NlogN), this can be very significant when K is very small comparing to N.
EDIT2:
The expected time of this algorithm is pre...
How to include a child object's child object in Entity Framework 5
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If you include the library System.Data.Entity you can use an overload of the Include() method which takes a lambda expression instead of a string. You can then Select() over children with Linq expressions rather than string p...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
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If you are doing UserManager operations in your seed method then this change won't include the validation errors in the output, you would need to override the DBContext SaveChanges, SaveChangesAsync and SaveChangesAsync(CT) m...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
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Instead of modifying the XML document itself, it's best to parse it and then modify the tags in the result. This way you can handle multiple namespaces and namespace aliases:
from io import StringIO # for Python 2 import from StringIO in...
How to define multiple CSS attributes in jQuery?
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Better to just use .addClass() and .removeClass() even if you have 1 or more styles to change. It's more maintainable and readable.
If you really have the urge to do multiple CSS properties, then use the following:
.css({
'font-size' : '10px',
'width' : '30px',
'height' ...
Android ListView headers
...er = null;
int rowType = getItemViewType(position);
View View;
if (convertView == null) {
holder = new ViewHolder();
switch (rowType) {
case TYPE_ITEM:
convertView = mInflater.inflate(R.layout.task_details_row, null);
holder.Vie...
What is Prefix.pch file in Xcode?
...ix Header so they get precompiled. But the idea behind a prefix header is different from precompiling.
A prefix header is implicitly included at the start of every source file. It’s like each source file adds
#import "Prefix.pch"
at the top of the file, before anything else.
Removing it.
You can ...
Better way to check if a Path is a File or a Directory?
...en do something with it. This requires me to have a method which performs different actions based on the user's selection.
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How to insert in XSLT
...ing with this technique, and started showing a strange character. However, if I use WaterSoul's CDATA technique it works.
– user4903
Feb 10 '12 at 22:36
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