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Best way to check if a Data Table has a null value in it
...reate an "Extensions" folder in some common library or in my DAL. Create a file called "DataTableExtensions.cs" and add that method. Next you would just add "using Name.Space.Extensions" to your cs files and have access to all extension methods defined.
– hunter
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WPF: How to display an image at its original size?
... monitors resolution you should be able to set the Width and Height to the file's original dimensions and use Stretch="Fill". This worked for me.
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How to show git log history for a sub directory of a git repo?
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The other answers only show the changed files.
git log -p DIR is very useful, if you need the full diff of all changed files in a specific subdirectory.
Example: Show all detailed changes in a specific version range
git log -p 8a5fb..HEAD -- A B
commit 62ad8c5d...
Difference between TCP and UDP?
...for streaming audio and video. Streaming media such as Windows Media audio files (.WMA) , Real Player (.RM), and others use UDP because it offers speed! The reason UDP is faster than TCP is because there is no form of flow control or error correction. The data sent over the Internet is affected by c...
API Versioning for Rails Routes
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It's worth noting that in the routes file 301 has been made the default redirect and for good reason. From the guides: Please note that this redirection is a 301 “Moved Permanently” redirect. Keep in mind that some web browsers or proxy servers will cache ...
mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
... to display all errors. You can do this by placing this at the top of your files or in your config file: error_reporting(-1);. If you have any syntax errors this will point them out to you.
Use mysql_error(). mysql_error() will report any errors MySQL encountered while performing your query.
Sample...
In Python, how can you load YAML mappings as OrderedDicts?
...he ordering is not guaranteed, but of course there is ordering in the YAML file and the appropriate parser can just hold on to that and transparently generate an object that keeps the ordering. You just need to choose the right parser, loader and dumper¹:
import sys
from ruamel.yaml import YAML
y...
How can I change the color of pagination dots of UIPageControl?
... = 5;
pageControl.delegate = self;
[self addSubview:pageControl];
Header file:
//
// PageControl.h
//
// Replacement for UIPageControl because that one only supports white dots.
//
// Created by Morten Heiberg <morten@heiberg.net> on November 1, 2010.
//
#import <UIKit/UIKit.h>
@...
Inline code in org-mode
...ted in org-mode (or during export) and their results get inserted into the file. I use this for UML diagrams with plant-uml and sometimes with Clojure code blocks.
– user73774
Oct 10 '16 at 17:55
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In Python script, how do I set PYTHONPATH?
I know how to set it in my /etc/profile and in my environment variables.
6 Answers
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