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Usage of forceLayout(), requestLayout() and invalidate()
I'm a bit confused about the roles of forceLayout() , requestLayout() and invalidate() methods of the View class.
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What is the difference between 'git pull' and 'git fetch'?
What are the differences between git pull and git fetch ?
36 Answers
36
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How expensive is the lock statement?
I've been experimenting with multi threading and parallel processing and I needed a counter to do some basic counting and statistic analysis of the speed of the processing. To avoid problems with concurrent use of my class I've used a lock statement on a private variable in my class:
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Simple explanation of MapReduce?
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Going all the way down to the basics for Map and Reduce.
Map is a function which "transforms" items in some kind of list to another kind of item and put them back in the same kind of list.
suppose I have a list of numbers: [1,2,3] and I want to double every number, ...
What's the difference between “static” and “static inline” function?
...at can make a big performance difference.
However, this is only a "hint", and the compiler may ignore it, and most compilers will try to "inline" even when the keyword is not used, as part of the optimizations, where its possible.
for example:
static int Inc(int i) {return i+1};
.... // some code...
What are the Android SDK build-tools, platform-tools and tools? And which version should be used?
...imentary question, but to my surprise, I could not find any document about Android SDK Build-tools.
Besides Android SDK Tools and Android SDK Platform-tools, there are a bunch of Android SDK Build-tools as shown in the appended screenshot. Could anyone point to a source explaining all of them and he...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
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[[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a ...
What are the pros and cons of the leading Java HTML parsers? [closed]
Searching SO and Google, I've found that there are a few Java HTML parsers which are consistently recommended by various parties. Unfortunately it's hard to find any information on the strengths and weaknesses of the various libraries. I'm hoping that some people have spent some comparing these libr...
Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
...l1=0");
//...
if (conditions.Any())
Query += " WHERE " + string.Join(" AND ", conditions.ToArray());
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Best branching strategy when doing continuous integration?
...Since I'm familiar with Cruise Control, I also blogged about task branches and CI here. It's an step by step tutorial explaning how to do it with Plastic SCM.
Finally, I found some of the topics about CI (and potentially talking about branching) at Duvall's book on CI very interesting too.
Hope yo...