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Use tnsnames.ora in Oracle SQL Developer
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I downloaded and installed the Oracle SQL Developer to connect to an already existing Oracle 11g database. But it seems that I will need to download and install Oracle client software also, which one do I use if I am on Windows 10?
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Python: Get the first character of the first string in a list?
...ist char for the first one string(item):
myList[0][0]
>>> b
If all first chars:
[x[0] for x in myList]
>>> ['b', 's', 't']
If you have a text:
text = 'base sample test'
text.split()[0][0]
>>> b
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How to get a specific “commit” of a gem from github?
...it://github.com/rails/rails.git', :tag => 'v2.3.5'
Source: How to install gems from git repositories
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Read-only list or unmodifiable list in .NET 4.0
...that's not a List, it's a Collection. So if you use it, you need to modify all your code to use Collection instead of List.
– Roman Zabicki
May 25 '16 at 13:50
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SQL query for today's date minus two months
I want to select all the records in a table where their date of entry is older then 2 months.
5 Answers
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Check if one list contains element from the other
...ked, it works perfect as long as you have right equals implemented. that's all matters!
– Syed Siraj Uddin
Feb 8 '19 at 12:51
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
...on. It removes the error, but you only get build for the current arch, not all on the market...
– esbenr
Mar 21 '13 at 9:57
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Member initialization while using delegated constructor
...out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
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SQL Server IIF vs CASE
...e query plan will be the same. It is, perhaps, "syntactical sugar" as initially implemented.
CASE is portable across all SQL platforms whereas IIF is SQL SERVER 2012+ specific.
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How to pick a new color for each plotted line within a figure in matplotlib?
...at the bottom of this answer: stackoverflow.com/questions/4805048/… Basically you just do this: [colormap(i) for i in np.linspace(0, 0.9, num_plots)], where colormap is one of the colormaps in matplotlib.pyplot.cm and numplots is the number of unique colors that you want. Beware that this can res...