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What is the real overhead of try/catch in C#?
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When an exception is thrown in addition to the stack unwinding operations etc that take place which others have mentioned you should be aware that a whole bunch of runtime/reflection related stuff happens in order to populate the members of the exception class such as the stack trace object and the...
What is the Linux equivalent to DOS pause?
...s that are potentially dangerous like ESCAPE, CTRL, CMD, the power button, etc. This isn't so relevant anymore today, because nowadays the console is usually only used by advanced computer users that will interpret "ANY key" correctly. The Apple 2 Design Manual, tough quite old, has an interesting s...
ssh: connect to host github.com port 22: Connection timed out
...guration data /home/ubuntu/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug1: Connecting to github.com [13.234.176.102] port 22.
So I tried using an SSH connection made over the HTTPS port by editing the config fil...
Regular expression to match URLs in Java
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@indivisible luckily, Android is open source and you can fetch the code from github.com/android/platform_frameworks_base/blob/master/core/… :)
– EpicPandaForce
Jan 14 '15 at 17:32
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What is a Windows Handle?
...at is managed by the Windows kernel. A handle can be to a window, a file, etc.
Handles are simply a way of identifying a particulate resource that you want to work with using the Win32 APIs.
So for instance, if you want to create a Window, and show it on the screen you could do the following:
//...
How to assign name for a screen? [closed]
... putty with putty connection manager and name my screens - "tab1", "tab2", etc. - as for me the overall picture of the 8-10 tabs is more important than each individual tab name. I use the 8th tab for connecting to db, the 7th for viewing logs, etc. So when I want to reattach my screens I have writte...
Is using a lot of static methods a bad thing?
...ons this isn't possible (e.g., regular class code generation from XSD/WSDL/etc), or it will make the class very long, and transformation methods can often be a real pain for complex objects and you just want them in their own separate class. So yeah, I have static methods in utility classes.
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
...re lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL.
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...ibrary is contained in various JARs, such as rt.jar, deploy.jar, jsse.jar, etc. When the JRE is packaged, these critical JAR files are compressed with Pack200 and stored as rt.pack, deploy.pack, jsse.pack, etc. The Java installer is supposed to uncompress them. If you are experiencing this error, ap...
Do you use source control for your database items? [closed]
...incremental migration scripts that are carefully crafted to be re-runnable etc so state tolerant.
– Shiv
Sep 26 '18 at 2:16
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