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Printing a variable memory address in swift
Is there anyway to simulate the [NSString stringWithFormat:@"%p", myVar] , from Objective-C, in the new Swift language?
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How to calculate the CPU usage of a process by PID in Linux from C?
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You need to parse out the data from /proc/<PID>/stat. These are the first few fields (from Documentation/filesystems/proc.txt in your kernel source):
Table 1-3: Contents of the stat files (as of 2.6.22-rc3)
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
I am seeing the following (truncated) stacktrace in the server.log file of JBoss 7.1.1 Final:
20 Answers
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How to generate a Dockerfile from an image?
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How to generate or reverse a Dockerfile from an image?
You can.
alias dfimage="docker run -v /var/run/docker.sock:/var/run/docker.sock --rm alpine/dfimage"
dfimage -sV=1.36 nginx:latest
It will pull the target docker image ...
How to save/restore serializable object to/from file?
I have a list of objects and I need to save that somewhere in my computer. I have read some forums and I know that the object has to be Serializable . But it would be nice if I can get an example. For example if I have the following:
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Warning as error - How to rid these
I cannot figure out how to get rid of errors that basically should not be halting my compile in Visual Studio 2010 and should not be show stoppers, or at least I will fix them later, but I don't want the compile to just error and halt on these kinds of problems.
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Elegant Python function to convert CamelCase to snake_case?
...)(?=[A-Z])', '_', name).lower()
print(name) # camel_case_name
If you do this many times and the above is slow, compile the regex beforehand:
pattern = re.compile(r'(?<!^)(?=[A-Z])')
name = pattern.sub('_', name).lower()
To handle more advanced cases specially (this is not reversible anymore):
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How to force the browser to reload cached CSS/JS files?
I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even between browser sessions. This leads to a problem when you update one of these files but the user's browser keeps on using the cached copy.
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Quick easy way to migrate SQLite3 to MySQL? [closed]
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Here is a list of converters (not updated since 2011):
https://www2.sqlite.org/cvstrac/wiki?p=ConverterTools (or snapshot at archive.org)
An alternative method that would work nicely but is rarely mentioned is: use an OR...
What is SaaS, PaaS and IaaS? With examples
What do the following terms mean?
15 Answers
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