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Catch an exception thrown by an async void method
...hod begins waiting for the async result. It's insightful to use tracing in order to investigate how the code is actually behaving.
The code below does the following:
Create 4 tasks
Each task will asynchronously increment a number and return the incremented number
When the async result has arrived...
Design patterns to avoid [closed]
...es come naturally in practice as you need to follow them to some degree in order to create isolated and repeatable unit tests.
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Append class if condition is true in Haml
...s ` {class: [('class1' unless condition1), ('class2' if condition2)]} ` .. etc
– Mohammad AbuShady
Jan 28 '14 at 11:21
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Add custom headers to WebView resource requests - android
...are multiple resource requests like 'http://static.fb.com/images/logo.png' etc that are sent from the webiew. For these requests, the extra headers are not added. And shouldOverrideUrlLoading is not called during such resource requests. The callback 'OnLoadResource' is called, but there is no way to...
Thou shalt not inherit from std::vector
...of different types of iterators: const iterators, random access iterators, etc.
Therefore I recommend you to accept this convention and design your algorithms in such way that they won't care about what is the container they're working on - and they would only require a specific type of iterator wh...
Responsive font size in CSS
...scalable in nature, so 2 em would equal 24 pt, .5 em would equal 6 pt, etc..
Percent (%): The percent unit is much like the “em” unit, save for a few fundamental differences. First and foremost, the current font-size is equal to 100% (i.e. 12 pt = 100%). While using the percent unit, your t...
Rails 3 datatypes?
... that can be used in rails 3? (such as text, string, integer, float, date, etc.?) I keep randomly learning about new ones, but I'd love to have a list I could easily refer to.
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Why not use Double or Float to represent currency?
... of counting money, at least for countries whose money is valued within an order of magnitude of the US dollar, usually all you need is to be able to store multiples of 10-2, so it doesn't really matter that 1/3 can't be represented.
The problem with floats and doubles is that the vast majority of ...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...8601 standard format style (YYYYMMDDHHMM). For example, 201606070620. That order of year-month-date-hour-minute renders an ever-increasing number, always the same length due to padding zero, that when sorted alphabetically is also chronological.
I have successfully used this style of version number...
Detect Click into Iframe using JavaScript
... the iframe, you need to take focus out of it once the user has clicked in order to monitor further clicks. This should be added to the $(window).blur() section: setTimeout(function(){ window.focus(); }, 0);. Now, the user clicks, puts focus in the iframe, the script pulls that focus back, and can n...