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Python memory leaks [closed]
...ug(mem_top())", while its explanation of results is the author's real life error tracking experience without context... that's not a technical specification that tells a dev exactly what they are looking at... I'm not knocking your answer... it shows high level suspects as billed... it doesn't gi...
What's the difference between isset() and array_key_exists()? [duplicate]
...lls if the expression (array) is defined, and the key is set
no warning or error if the var is not defined, not an array ...
but returns false if the value for that key is null
and array_key_exists
tells if a key exists in an array as the name implies
but gives a warning if the array parameter i...
How do I round to the nearest 0.5?
...not correct. Since arithmetic with doubles usually has some small rounding errors, an operation such as 4.8 - 4.0 could give for example 0.799999... . In this case the code above would round to 4.5. Also better would to use Math.Floor instead of Math.Truncate, because right now negative numbers are...
Renaming columns in pandas
...x x
1 x x x x x
2 x x x x x
From v0.25, you can also specify errors='raise' to raise errors if an invalid column-to-rename is specified. See v0.25 rename() docs.
REASSIGN COLUMN HEADERS
Use df.set_axis() with axis=1 and inplace=False (to return a copy).
df2 = df.set_axis(['V', 'W', 'X...
How to add minutes to my Date
...
There's an error in the pattern of your SimpleDateFormat. it should be
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm");
share
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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
I am getting the following error when I try to connect to mysql:
34 Answers
34
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Add UIPickerView & a Button in Action sheet - How?
... the contents of an ActionSheet, as it can lead to serious invalid context errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tablevi...
Could not load file or assembly or one of its dependencies
...dll (in my case NativeInterfaces.dll)
You can see one or more dll with the error in red Error opening file...
It means that this dll is missing in your system; in my case the dll name is MSVCR71.DLL
You can download missings dll from google and copy in right path (in my case c:\windows\system32)
A...
filename and line number of python script
...
NameError: global name '__file__' is not defined on my Python interpreter: Python 2.7.6 (default, Sep 26 2014, 15:59:23). See stackoverflow.com/questions/9271464/…
– bgoodr
May 5 '17 at 17...
How to save an activity state using save instance state?
I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. So given this minor re-tooling of the 'Hello, Android' example:
...