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C# Events and Thread Safety
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The JIT isn't allowed to perform the optimization you're talking about in the first part, because of the condition. I know this was raised as a spectre a while ago, but it's not valid. (I checked it with either Joe Duffy or Vance Morrison a while ago; I can't remember which.)
Without ...
is_null($x) vs $x === null in PHP [duplicate]
...as two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically designed fo...
How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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How to check if Receiver is registered in Android?
...API provides directly an API, if you consider this thread:
I was wondering the same thing.
In my case I have a BroadcastReceiver implementation that calls
Context#unregisterReceiver(BroadcastReceiver) passing itself as the argument after handling the Intent that it receives.
There is a sma...
How do you fade in/out a background color using jquery?
How do I fade in text content with jQuery?
9 Answers
9
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How can I find the current OS in Python? [duplicate]
As the title says, how can I find the current operating system in python?
5 Answers
5
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Find size of an array in Perl
I seem to have come across several different ways to find the size of an array. What is the difference between these three methods?
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
I'm looking to do this:
10 Answers
10
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Android: how to hide ActionBar on certain activities
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Apply the following in your Theme for the Activity in AndroidManifest.xml:
<activity android:name=".Activity"
android:label="@string/app_name"
android:theme="@android:style/Theme.NoTitleBar">
<intent-filter>
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Naming Classes - How to avoid calling everything a “Manager”? [closed]
...n article (I believe a blog entry) which put me on the "right" track on naming objects: Be very very scrupulous about naming things in your program.
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