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Differences between action and actionListener
...uld still expect a method with ActionEvent argument.
If you're on EL 2.2+, then you can declare multiple action listener methods via <f:actionListener binding>.
<h:commandXxx ... actionListener="#{bean.actionListener1}">
<f:actionListener binding="#{bean.actionListener2()}" />
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...e the images in the my_website/my_images folder with the rest of your app. Then your img tags would reference "my_website/image.php?img_id=55" instead of "my_website/avatar.png", and your image.php script would, after verifying your credentials and parsing the id you hand it, return the actual image...
Why don't structs support inheritance?
.... But if Base and Derived are value types, and arrays store values inline, then we have a problem.
We have a problem because Square() doesn't know anything about Derived, it'll use only pointer arithmetic to access each element of the array, incrementing by a constant amount (sizeof(A)). The assem...
How does grep run so fast?
...ar (like ., [], or *) I don't want it to be interpreted as such. And even then the more portable/standard form of grep -F is preferred over fgrep.
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Measuring elapsed time with the Time module
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Usage:
@profile
def your_function(...):
...
You can profile more then one function simultaneously. Then to print measurements just call the print_prof_data():
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Why is subtracting these two times (in 1927) giving a strange result?
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When incrementing time you should convert back to UTC and then add or subtract. Use the local time only for display.
This way you will be able to walk through any periods where hours or minutes happen twice.
If you converted to UTC, add each second, and convert to local time for d...
Can't connect to local MySQL server through socket homebrew
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The problem gets resolved when you re-install MySQL but then you have the so long backup-restore routine. Then, it also breaks again because my computer closes itself unexpectedly. I don't if this is an out of memory issue but everytime my computer closes, mysql gets broken with 2...
Running multiple AsyncTasks at the same time — not possible?
.... Queue size is 10 by default. If you start 15 your custom tasks in a row, then first 5 will enter their doInBackground(), but the rest will wait in a queue for a free worker thread. As soon as any of the first 5 finishes, and thus releases a worker thread, a task from the queue will start execution...
Wait until file is unlocked in .NET
...re is a second process using the same strategy as this (retry repeatedly), then after exit of WaitForFile(), there is a race condition regarding whether the file will be openable or not. No?
– Cheeso
Jun 13 '09 at 21:11
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Passing additional variables from command line to make
...part of his command line, mingled with targets:
make target FOO=bar
But then all assignments to FOO variable within the makefile will be ignored unless you use the override directive in assignment. (The effect is the same as with -e option for environment variables).
Exporting from the parent Mak...