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Why should Java ThreadLocal variables be static
...that it would be better to use a ThreadLocal to hold a reference to a hash-set that maps objects to per-thread instances.
– supercat
Mar 17 '14 at 23:03
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Optimise PostgreSQL for fast testing
...ster operation.
This is one of the only acceptable uses for the fsync=off setting in PostgreSQL. This setting pretty much tells PostgreSQL not to bother with ordered writes or any of that other nasty data-integrity-protection and crash-safety stuff, giving it permission to totally trash your data i...
Rails ActionMailer - format sender and recipient name/email address
...x: "john@example.com"
address.display_name = name.dup # ex: "John Doe"
# Set the From or Reply-To header to the following:
address.format # returns "John Doe <john@example.com>"
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How do I change the figure size with subplots?
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If you already have the figure object use:
f.set_figheight(15)
f.set_figwidth(15)
But if you use the .subplots() command (as in the examples you're showing) to create a new figure you can also use:
f, axs = plt.subplots(2,2,figsize=(15,15))
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Run an Application in GDB Until an Exception Occurs
...ing excerpt From the gdb manual describes the catchpoint feature.
5.1.3 Setting catchpoints
You can use catchpoints to cause the debugger to stop for certain kinds of program events, such as C++ exceptions or the loading of a shared library. Use the catch command to set a catchpoint.
catch eve...
Warning as error - How to rid these
...nings as errors" option. Go through each of your projects and change that setting:
Right-click on your project, select "Properties".
Click "Build".
Switch "Treat warnings as errors" from "All" to "Specific warnings" or "None".
The location of this switch varies, depending on the type of project...
Why is git prompting me for a post-pull merge commit message?
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@SeanCoetzee: It depends on your $EDITOR setting, but if you're using git out of the box on OSX it's probably a program called 'vi'. Type i to enter "INSERT" mode; type your message. You can then save and quit by hitting ESC and then typing :wq.
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How to do error logging in CodeIgniter (PHP)
... your /application/logs folder writable
In /application/config/config.php set $config['log_threshold'] = 1; or use a higher number, depending on how much detail you want in your logs
Use log_message('error', 'Some variable did not contain a value.');
To send an email you need to extend the core CI_...
.NET Process.Start default directory?
...cessStartInfo();
startInfo.WorkingDirectory = // working directory
// set additional properties
Process proc = Process.Start(startInfo);
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Colored logcat in android studio by colorpid
...with a white background you should modify a light (e.g. Default) theme and set the background for the Android Logcat settings (Background=#393939).
– Maurice Gavin
Jun 26 '15 at 9:57
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