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C# elegant way to check if a property's property is null
...rom b in a.PropertyB
from c in b.PropertyC
select c.Value;
This returns null, if any of the nullable properties are null; otherwise, the value of Value.
class A { public B PropertyB { get; set; } }
class B { public C PropertyC { get; set; } }
class C { public strin...
How to pick a new color for each plotted line within a figure in matplotlib?
...sure that you have a list big enough and then use the index of the loop to select the color
colors = ['r', 'b', ...., 'w']
for i in range(20):
ax1.plot(x, y, color = colors[i])
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UINavigationBar custom back button without title
...se that you have a navigation controller going to ViewA from ViewB. In IB, select ViewA's navigation bar, you should see these options: Title, Prompt and Back Button.
ViewA navigate bar options
The trick is choose your destiny view controller back button title (ViewB) in the options of previous ...
How do I set the default locale in the JVM?
...rative privileges.)
Under the Language for non-Unicode programs section, select the desired language from the drop down menu.
Click OK.
The system displays a dialog box asking whether to use existing
files or to install from the operating system CD. Ensure that you have
the CD ready.
...
Git Remote: Error: fatal: protocol error: bad line length character: Unab
...o 2.19.0
Solution:
Tools > Settings > Git Extensions > SSH
Select [OpenSSH] instead of [PuTTY]
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Options, Settings, Properties, Configuration, Preferences — when and why?
...
Settings: Thinking of a slider to select a value from 1 to 10 for example
Options: Thinking of an on/off button
Preferences: Thinking of a choice from multiple choices, like morning, afternoon or evening
Configuration: Technical settings probably end users...
How to check if an activity is the last one in the activity stack for an application?
...
H9kDroid has made a correct suggestion. The selected answer is a hack. One should do it the right way using the isTaskRoot() method.
– Sufian
Apr 2 '14 at 6:17
...
Executing injected by innerHTML after AJAX call
...
you can select all loaded scripts and execute them by eval() function: $('#audit-view script').each(function (index, element) { eval(element.innerHTML); })
– Jerzy Gebler
Aug 19 '15 at 16:01
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nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
...at I would future readers of your question to do. That's why I suggest you select @Nathan's answer as the correct answer.
– Oliver
Mar 18 '13 at 11:23
4
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How to easily truncate an array with JavaScript?
...
If you want to selectively pull elements out of an array, you can use the jQuery.grep method.
(from the jQuery docs)
var arr = [ 1, 9, 3, 8, 6, 1, 5, 9, 4, 7, 3, 8, 6, 9, 1 ];
$("div").text(arr.join(", "));
arr = jQuery.grep(arr, functi...