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Import pandas dataframe column as string not int
...import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
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How do I check CPU and Memory Usage in Java?
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If you are looking specifically for memory in JVM:
Runtime runtime = Runtime.getRuntime();
NumberFormat format = NumberFormat.getInstance();
StringBuilder sb = new StringBuilder();
long maxMemory = runtime.maxMemory();
long allocatedMemory = runtime...
Direct casting vs 'as' operator?
... tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed libraries which use error codes (e.g. return null = error, instead of using exceptions).
3 is not a ca...
What is an anti-pattern?
...mmon approaches to common problems which have been formalized and are generally considered a good development practice, anti-patterns are the opposite and are undesirable.
For example, in object-oriented programming, the idea is to separate the software into small pieces called objects. An anti-pat...
NSDictionary - Need to check whether dictionary contains key-value pair or not
...uldn't we mistakenly think that the key isn't present in the dictionary at all?
– jbx72487
Feb 1 '13 at 18:51
13
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Vim: How do you open another [No Name] buffer like the one on startup?
...user can save to a file of her/his choosing, just like the initial buffer called [No Name] . How can I do this?
3 Answers
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Pythonic way to create a long multi-line string
...tor (I know, maybe it's not the most efficient way to do it, but I'm not really concerned about performance in this stage, just code readability). Example:
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What is Model in ModelAndView from Spring MVC?
... The second argument represents the logical name of your model. You can call it whatever name you want, but this is the name you will use when referencing your model in your JSP. In my first example, I called it WelcomeMessage, in the second example, I called it model. Use a name that makes sense ...
How many String objects will be created when using a plus sign?
...ther optimizations at runtime. I'm just going by what IL is produced.
Finally, as regards interning, constants and literals are interned, but the value which is interned is the resulting constant value in the IL, not the literal. This means that you might get even fewer string objects than you ex...
How do I create a pylintrc file
...n here, we can use the following command to generate a pylint rc file with all its options present:
pylint --generate-rcfile > $HOME/.pylintrc
The above command will create the file .pylintrc under your home directory. Then you can tweak the rc file to fit your needs.
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