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How can I get column names from a table in Oracle?
...:
describe EVENT_LOG
or
desc EVENT_LOG
Note: only applicable if you know the table name and specifically for Oracle.
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Efficient way to determine number of digits in an integer
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Well, the most efficient way, presuming you know the size of the integer, would be a lookup. Should be faster than the much shorter logarithm based approach. If you don't care about counting the '-', remove the + 1.
// generic solution
template <class T>
int nu...
How do I determine the target architecture of static library (.a) on Mac OS X?
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Now in 2015 you should use lipo. See the answer below.
– derFunk
Feb 12 '15 at 11:10
1
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Track a new remote branch created on GitHub
...local master branch tracking the remote master branch of a github project. Now, a collaborator of mine has created a new branch in the same project, and I want to do the following accordingly:
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Combining two Series into a DataFrame in pandas
...Column_name#1'] = series_1
df['Column_name#2'] = series_2
Check results now
df.head(5)
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Can I add extension methods to an existing static class?
... Console).WriteBlueLine(...); // as oppose to Console.WriteBlueLine(...)
Now WHY did I pick calling the default constructor as an example, and AND why don't I just return new T() in the first code snippet without doing all of that Expression garbage?
Well todays your lucky day because you get a 2f...
How can I default a parameter to Guid.Empty in C#?
...defined as static readonly not as const). Compiler can only have compiler-known values as method parameters default values (not runtime-only-known).
The root cause is that you cannot have a const of any struct, unlike enum for example. If you try it, it will not compile.
The reason once more is th...
Is That REST API Really RPC? Roy Fielding Seems to Think So
...pec straight into the code, preventing the server from letting the client know about how it can do things. If the client thinks it knows due to that contract, you're not in hypermedia, you're into the modern day openapi soap model, with the same issues you'd have encountered with that 18 years ago.
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How to unset a JavaScript variable?
...123 };
var foo = new Foo();
// foo.bar is 123
foo.bar = 456;
// foo.bar is now 456
delete foo.bar;
// foo.bar is 123 again.
So be careful.
EDIT: My answer is somewhat inaccurate (see "Misconceptions" at the end). The link explains all the gory details, but the summary is that there can be big dif...
How to make PyCharm always show line numbers
...x):
File -> Settings -> Editor -> General -> Appearance -> now check 'Show line numbers', confirm w. OK an voila :)
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