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Finding the average of a list
...It has other methods too like stdev, variance, mode, harmonic mean, median etc which are too useful.
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Regex Match all characters between two strings
... I found it useful to remove the beginning of log lines (timestamp etc). I used new line for the beginning string and "at" for the end string.
– Stan
Jan 18 '17 at 5:19
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Finding diff between current and last version
... Use git show HEAD~1 to show the last-but-one commit, and git show HEAD~2, etc. for older commits. Show just a single file via git show HEAD~2 my_file.
– Florian Brucker
Mar 3 '16 at 10:43
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php is null or empty?
...rovide an example of using simple comparison instead of these NULL empty() etc.
– Naeem Ul Wahhab
Jan 24 '18 at 19:15
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Where is Xcode's build folder?
...are the directories you'd expect (Debug-iphonesimulator, Release-iphoneos, etc, assuming you've done a build of that type) containing the object files and products.
Now, I suspect that if you start a new project in Xcode4, the default location is under DerivedData, but if you open an Xcode3 project...
JSON.Net Self referencing loop detected
...:134217728,"Attributes":0,"Position":-1,"IsIn":false,"IsLcid":false,. ... etc.
– Fernando Gonzalez Sanchez
Sep 8 '18 at 0:09
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...king about IOException, in that every other IO abstraction (Reader, Writer etc) declares that its methods throw IOException if something goes wrong - PrintWriter doesn't.
– Jon Skeet
May 27 '19 at 5:42
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Java RegEx meta character (.) and ordinary dot?
...ep it means "word boundary".
So write -?\d+\.\d+\$ to match 1.50$, -2.00$ etc. and [(){}[\]] for a character class that matches all kinds of brackets/braces/parentheses.
If you need to transform a user input string into a regex-safe form, use java.util.regex.Pattern.quote.
Further reading: Jan Go...
Removing numbers from string [closed]
...ex to accomplish this, but since you can only use lists, loops, functions, etc..
here's what I came up with:
stringWithNumbers="I have 10 bananas for my 5 monkeys!"
stringWithoutNumbers=''.join(c if c not in map(str,range(0,10)) else "" for c in stringWithNumbers)
print(stringWithoutNumbers) #I ha...
Server is already running in Rails
...l the running process
$ kill -9 5946
$ rm tmp/server.pids
foreman start etc start the service
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