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Increasing the maximum number of TCP/IP connections in Linux
... range, and decrease the tcp_fin_timeout
To find out the default values:
sysctl net.ipv4.ip_local_port_range
sysctl net.ipv4.tcp_fin_timeout
The ephermal port range defines the maximum number of outbound sockets a host can create from a particular I.P. address. The fin_timeout defines the minimu...
Setting up a deployment / build / CI cycle for PHP projects
...
I am mostly a sys admin but sometimes I code PHP as well. As a side project I created some scripts that will make it simple and painless to set up a full blown PHP CI environment using Jenkins. It also runs a sample project for you so you ...
python pandas remove duplicate columns
... Using double transposes could have unintended side effects like converting numeric types to objects in the case that you have a df with mixed types. See: stackoverflow.com/questions/24682396/…
– Petergavinkin
Apr 10 '18 at 19:57
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Adding n hours to a date in Java?
... .plusHours( 8 )
Or…
myJavaUtilDate.toInstant() // Convert from legacy class to modern class, an `Instant`, a point on the timeline in UTC with resolution of nanoseconds.
.plus( // Do the math, adding a span of time to our moment, our `Insta...
Convert array of strings to List
... 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix...
How can I check a C# variable is an empty string “” or null? [duplicate]
...
Cheap trick:
Convert.ToString((object)stringVar) == “”
This works because Convert.ToString(object) returns an empty string if object is null. Convert.ToString(string) returns null if string is null.
(Or, if you're using .NET 2.0 y...
How do you add a timer to a C# console application
...s not valid c#: test.cs(21,20): error CS0031: Constant value '1' cannot be converted to a 'bool'
– Blake7
Feb 17 '14 at 14:07
1
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NSRange to Range
How can I convert NSRange to Range<String.Index> in Swift?
13 Answers
13
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How to convert string to Title Case in Python?
Example:
9 Answers
9
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string.charAt(x) or string[x]?
...llo'.charAt(true) // 'e'
The charAt function depends on how the index is converted to a Number in the spec.
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