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What are some uses of decltype(auto)?
... The example that always prompts this disgust is the one-liner file-to-string syntax (also mentioned in that link). Every part of it seems backward. You might not expect ambiguity at all, and remove redundant parentheses from a sample compulsively; you would expect ambiguity to resolve by proces...
How to find a table having a specific column in postgresql
...
Wildcard Support
Find the table schema and table name that contains the string you want to find.
select t.table_schema,
t.table_name
from information_schema.tables t
inner join information_schema.columns c on c.table_name = t.table_name
and c.table_schema =...
Does C# have extension properties?
...t syntactic sugar adding a possibility to define an extended property like string Data(this MyClass instance) as an alias for extension method string GetData(this MyClass instance) as it stores data into the class.
I hope that C#7 will provide a full featured extension everything (properties and fi...
Understanding Apache's access log
...ny is present, and "-" otherwise.
User-agent is the browser identification string.
The complete(?) list of formatters can be found here. The same section of the documentation also lists other common log formats; readers whose logs don't look quite like this one may find the pattern their Apache co...
Pandas - How to flatten a hierarchical index in columns
...ant to combine/join your MultiIndex into one Index (assuming you have just string entries in your columns) you could:
df.columns = [' '.join(col).strip() for col in df.columns.values]
Note: we must strip the whitespace for when there is no second index.
In [11]: [' '.join(col).strip() for col in...
How can I check for Python version in a program that uses new language features?
...
Try
import platform
platform.python_version()
Should give you a string like "2.3.1". If this is not exactly waht you want there is a rich set of data available through the "platform" build-in. What you want should be in there somewhere.
...
Determine project root from a running node.js application
...re('path');
var globalRoot = __dirname; //(you may have to do some substring processing if the first script you run is not in the project root, since __dirname refers to the directory that the file is in for which __dirname is called in.)
//compare the last directory in the globalRoot path...
Does Go have “if x in” construct similar to Python?
...over the array. You can write your own function to do it, like this:
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
If you want to be able to check for membership without iterating over...
http HEAD vs GET performance
... answered Sep 3 '14 at 20:31
Charles ThomasCharles Thomas
8051010 silver badges1111 bronze badges
...
Hidden Features of VB.NET?
... When clause is largely unknown.
Consider this:
Public Sub Login(host as string, user as String, password as string, _
Optional bRetry as Boolean = False)
Try
ssh.Connect(host, user, password)
Catch ex as TimeoutException When Not bRetry
''//Try again, but only on...