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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
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this is a crying shame - mobile browsers provide an OS specific scrolling list, and I need that to pop up automatically.
– Michael
Sep 25 '17 at 1:22
ad...
How to detect Windows 64-bit platform with .NET?
...-bit .NET Framework 2.0 on 64-bit Windows (it would return 32-bit).
As Microsoft's Raymond Chen describes, you have to first check if running in a 64-bit process (I think in .NET you can do so by checking IntPtr.Size), and if you are running in a 32-bit process, you still have to call the Win API fu...
NullPointerException in Java with no StackTrace
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You are probably using the HotSpot JVM (originally by Sun Microsystems, later bought by Oracle, part of the OpenJDK), which performs a lot of optimization. To get the stack traces back, you need to pass the option -XX:-OmitStackTraceInFastThrow to the JVM.
The optimization is that when...
Should URL be case sensitive?
...you are submitting. It is up to the server how to handle the request URL. Most of web servers are unix/linux and that means most of web servers are case sensitive.
– oᴉɹǝɥɔ
Apr 30 '13 at 16:37
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Access denied for user 'root@localhost' (using password:NO)
... / customise my mysql errors? **Update "Access denied for user 'root@localhost' (using password:NO)" to "Access denied for user 'myname@localhost' (using password:NO)" **
– Hitesh
Nov 17 '16 at 9:57
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Multiple line code example in Javadoc comment
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@jpdaigle I just tried this in Eclipse Galileo and Helios and the formatter does not replace anything for me (on Mac OS, but I have never seen the formatter do anything like that on other platforms either).
– Fabian Steeg
May 13 '10 at 22:40...
Garbage collector in Android
... then improves things, performance-wise. This is because it is not really possible to implement a "perfect" GC which will manage memory optimally in all cases. Such situations are hard to predict and depend on many subtle implementation details. The "good practice" is to let the GC run by itself; a ...
Where is Vagrant saving changes to the VM?
... configurable location but typically defaults to ~/VirtualBox\ VMS for Mac OS X and Linux. In Windows the boxes are kept in %userprofile%\.vagrant.d\boxes
It is easy to find the place where they are getting created, regardless of what platform you happen to be using.
1. Start VirtualBox.
2. Go to...
Perform commands over ssh with Python
...= paramiko.DSSKey.from_private_key_file(keyfilename) THEN ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) and finally ssh..connect(hostname=host, username=user, pkey=k).
– Scott Prive
Apr 20 '17 at 14:21
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How can I measure the actual memory usage of an application or process?
...ou insights about the amount of memory used, and, more importantly, about possible memory leaks in your program. The heap profiler tool of Valgrind is called 'massif':
Massif is a heap profiler. It performs detailed heap profiling by taking regular snapshots of a program's heap. It produces a grap...