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How does the Java 'for each' loop work?
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This answer is now a blog post and was created from two related answers that I've written: here and here. It also includes a generically useful class for comparing the speed of two functions (at the bottom).
– aliteral...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
...en made to any of those files, Perforce will tell you that those files are now out of date. You will have to sync to the head revision and then resolve the differences. This way you don't inadvertently clobber any changes that you actually want to keep.
Both operations work by essentially submitt...
MySQL Results as comma separated list
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Now only I came across this situation and found some more interesting features around GROUP_CONCAT. I hope these details will make you feel interesting.
simple GROUP_CONCAT
SELECT GROUP_CONCAT(TaskName)
FROM Tasks;
Resul...
Combining C++ and C - how does #ifdef __cplusplus work?
...C" regions, but it isn't such a good idea from a cleanliness perspective.
Now, specifically regarding your numbered questions:
Regarding #1: __cplusplus will stay defined inside of extern "C" blocks. This doesn't matter, though, since the blocks should nest neatly.
Regarding #2: __cplusplus will...
How do browsers pause/change Javascript when tab or window is not active?
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Great answer. Any other possible known differences for functions other than setInterval and requestAnimationFrame?
– Andrew Mao
Apr 16 '13 at 20:11
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Why does jQuery or a DOM method such as getElementById not find the element?
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It's now 2020 — is "Placing scripts at the bottom" still "considered a best practice" ? I (nowdays) put all my resources in the <head> and use defer on scripts (I don't have to support bad-old incompatible browsers)
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Can you explain the concept of streams?
...ata, just like water continuously flows in a river. You don't necessarily know where the data is coming from, and most often you don't need to; be it from a file, a socket, or any other source, it doesn't (shouldn't) really matter. This is very similar to receiving a stream of water, whereby you don...
Use of var keyword in C#
...e having the explicit type in front of me when I'm reading code. How do I know what "cust.Orders" is here without the type? Yes, I could hover my mouse over to find out, but why should I have to? :)
– Jon Tackabury
Oct 21 '08 at 18:30
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Difference between author and committer in Git?
...author the "person who wrote the code" doesn't make sense. How would git know who wrote it? When you set git config user and then git add and git commit, then git would know who added and who committed, but it still would not know who wrote it.
– cowlinator
F...
在 App Inventor 2 中使用图像 · App Inventor 2 中文网
...makes Android application development more complicated than before because now the application developer has to design their application to deal with different screen sizes and densities. The approach taken by Google is to design several UI versions for your application, complete with each version...