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How do you print out a stack trace to the console/log in Cocoa?
...his question was originally asked. For pre-Snow-Leopard, use the backtrace and backtrace_symbols functions; see the backtrace(3) manpage.
– Peter Hosey
Feb 25 '10 at 13:32
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How to make a vertical line in HTML
...a <div> around the markup where you want the line to appear to next, and use CSS to style it:
.verticalLine {
border-left: thick solid #ff0000;
}
<div class="verticalLine">
some other content
</div>
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What does .class mean in Java?
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And how does Android handle new Intent(this, Activity.class? Will it try to find out class Activity by comparing each class?
– Zhipeng YANG
Sep 21 '16 at 13:28
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What does the arrow operator, '->', do in Java?
...ssions is
(Parameters) -> { Body } where the -> separates parameters and lambda expression body.
The parameters are enclosed in parentheses which is the same way as for methods and the lambda expression body is a block of code enclosed in braces.
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belongs_to through associations
...ave a :through option. You're better off caching the question_id on Choice and adding a unique index to the table (especially because validates_uniqueness_of is prone to race conditions).
If you're paranoid, add a custom validation to Choice that confirms that the answer's question_id matches, but ...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
...
Just an update to what @Arun made, since I tried it today and it didn't work because it was actualized to
+ scale_x_continuous(labels = scales::comma)
share
|
improve this answer
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Upload file to FTP using C#
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The existing answers are valid, but why re-invent the wheel and bother with lower level WebRequest types while WebClient already implements FTP uploading neatly:
using (var client = new WebClient())
{
client.Credentials = new NetworkCredential(ftpUsername, ftpPassword);
clien...
Programmatically set height on LayoutParams as density-independent pixels
...? It looks like the height/width, when set programmatically, are in pixels and not dp.
5 Answers
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JavaScript equivalent of PHP’s die
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this is absolutely the answer and works just like die(); however one should not care for the red "1 Error" of firebug!
– Alexar
Dec 21 '10 at 23:52
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A good solution for await in try/catch/finally?
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You can move the logic outside of the catch block and rethrow the exception after, if needed, by using ExceptionDispatchInfo.
static async Task f()
{
ExceptionDispatchInfo capturedException = null;
try
{
await TaskThatFails();
}
catch (MyExceptio...