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Command-line Tool to find Java Heap Size and Memory Used (Linux)?
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Each Java process has a pid, which you first need to find with the jps command.
Once you have the pid, you can use jstat -gc [insert-pid-here] to find statistics of the behavior of the garbage collected heap.
jstat -gccapacity [insert-pid-here] will present information about memo...
Git push requires username and password
I cloned a Git repository from my GitHub account to my PC.
24 Answers
24
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Convert Python dict into a dataframe
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The error here, is since calling the DataFrame constructor with scalar values (where it expects values to be a list/dict/... i.e. have multiple columns):
pd.DataFrame(d)
ValueError: If using all scalar values, you must must pass an index
You could take the items from the dictionary...
invalid byte sequence for encoding “UTF8”
...s some invalid UTF8 data in your source file. That means that the copy utility has detected or guessed that you're feeding it a UTF8 file.
If you're running under some variant of Unix, you can check the encoding (more or less) with the file utility.
$ file yourfilename
yourfilename: UTF-8 Unicode ...
How do I adb pull ALL files of a folder present in SD Card
... directory, finish. The quotation marks around $line are required to work with filenames containing spaces.
The scripts will start in the top folder and recursively go down and find all the "*.jpg" files and pull them from your phone to the current directory.
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Debug code-first Entity Framework migration codes
I'm using Entity Framework code first in my website and I'm just wondering if there is any way to debug the migration codes. You know, like setting breakpoints and stuff like this.
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Why is Java Vector (and Stack) class considered obsolete or deprecated?
... operations. Synchronizing individual operations is both less safe (if you iterate over a Vector, for instance, you still need to take out a lock to avoid anyone else changing the collection at the same time, which would cause a ConcurrentModificationException in the iterating thread) but also slowe...
Named placeholders in string formatting
... when formatting string, I can fill placeholders by name rather than by position, like that:
19 Answers
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Error in exception handler. - Laravel
It's a Laravel-install related question. I have a public-facing Unix server setup:
6 Answers
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How do you get the length of a list in the JSF expression language?
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Yes, since some genius in the Java API creation committee decided that, even though certain classes have size() members or length attributes, they won't implement getSize() or getLength() which JSF and most other standards require, you can't do what you want.
There's a couple...