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Why is volatile needed in C?
Why is volatile needed in C? What is it used for? What will it do?
18 Answers
18
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How do I increase the number of displayed lines of a Java stack trace dump?
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You don't need to; that information is present elsewhere in the stack trace. From the docs of printStackTrace():
Note the presence of lines containing the characters "...". These lines indicate that the remainder of the stack tr...
Should switch statements always contain a default clause?
...o something different. Here the default needs to initialize it too so that down the line code that accesses the variable doesn't raise an error.
3. To show someone reading your code that you've covered that case.
variable = (variable == "value") ? 1 : 2;
switch(variable)
{
case 1:
// s...
How do iOS Push Notifications work?
How do iOS "push" notifications get delivered to a particular device without that device needing to poll a server?
6 Answer...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
Why do I get the following error?
6 Answers
6
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START_STICKY and START_NOT_STICKY
...e Hackborn explained the background of this a lot better than the official documentation.
Source: http://android-developers.blogspot.com.au/2010/02/service-api-changes-starting-with.html
The key part here is a new result code returned by the function,
telling the system what it should do with the s...
How to prevent rm from reporting that a file was not found?
...y files. Sometimes the files are not present, so it reports many errors. I do not need this message. I have searched the man page for a command to make rm quiet, but the only option I found is -f , which from the description, "ignore nonexistent files, never prompt", seems to be the right choice,...
How to do a scatter plot with empty circles in Python?
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From the documentation for scatter:
Optional kwargs control the Collection properties; in particular:
edgecolors:
The string ‘none’ to plot faces with no outlines
facecolors:
The string ‘none’ to plot...
Trigger 404 in Spring-MVC controller?
How do I get a Spring 3.0 controller to trigger a 404?
14 Answers
14
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Why is using the JavaScript eval function a bad idea?
...st use whatever developer tool to change the JavaScript in the client, why do you say Eval() opens up your code to injection attacks? Isn't already opened? (I'm talking about client JavaScript of course)
– Eduardo Molteni
Oct 24 '12 at 1:52
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