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Why must wait() always be in synchronized block
... order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the monitor by making part...
Why is this inline-block element pushed downward?
...l we have to establish that what's the real question?
Its that why "inline-block" element is pushed downward.
Now we start to understand it and remove the clutter first.
1 -
Why not give all three divs same border width?
Let's give it.
2 - Does floating element has any connection with inline-blo...
Markdown: continue numbered list
... code I want item 3 to start with list number 3. But because of the code block in between markdown starts this list item as a new list. Is there any way to prevent that behaviour?
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Is it expensive to use try-catch blocks even if an exception is never thrown?
...xpensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown?
...
What is normalized UTF-8 all about?
...ng up because the "compatibility" version is the one that's in the Latin 1 block)
– Random832
Oct 28 '11 at 15:42
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Setting up FTP on Amazon Cloud Server [closed]
...ar/www
sudo chmod 775 /var/www/html
sudo chown root:www /var/www/html
6- Block shell access
If you want restrict access to not access to shell to make it more secure then just change the default shell to bin/false as follow:
sudo usermod -s /bin/false username
...
How to search a Git repository by commit message?
...hmentViewable() methods. (references #33)
M library/Dbs/Db/Row/Login.php
a1bccdcd29ed29573d2fb799e2a564b5419af2e2 Add permissions checks for attachments of custom strategies. (references #33).
M application/controllers/AttachmentController.php
38c8db557e5ec0963a7292aef0220ad1088f518d F...
How do you do block comments in YAML?
How do I comment a block of lines in YAML?
11 Answers
11
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Need a simple explanation of the inject method
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You can think of the first block argument as an accumulator: the result of each run of the block is stored in the accumulator and then passed to the next execution of the block. In the case of the code shown above, you are defaulting the accumulator, r...
How do I wait for an asynchronously dispatched block to finish?
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That’s probably because your completion block is dispatched to the main queue? The queue is blocked waiting for the semaphore and therefore never executes the block. See this question about dispatching on the main queue without blocking.
– zou...