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How to add leading zeros for for-loop in shell? [duplicate]
...e a basic number for loop which increments the variable num by 1 over each iteration...
7 Answers
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Go > operators
...please explain to me the usage of << and >> in Go? I guess it is similar to some other languages.
8 Answers...
How to force LINQ Sum() to return 0 while source collection is empty
...rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.Any() ?
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Pointer to pointer clarification
...ntains is a memory address. The & is the "address of" operator - i.e. it returns the address in memory of an object. The * operator gives you the object a pointer refers to, i.e. given a pointer containing an address, it returns the object at that memory address. So when you do *ipp = ip2, wh...
What is a “symbol” in Julia?
... to use Julia's DataFrames package, specifically the readtable() function with the names option, but that requires a vector of symbols.
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Can't push to GitHub because of large file which I already deleted
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You can use
git filter-branch --index-filter 'git rm -r --cached --ignore-unmatch <file/dir>' HEAD
This will delete everything in the history of that file. The problem is that the file is present in the history.
This command chan...
Comparing two java.util.Dates to see if they are in the same day
I need to compare two Date s (e.g. date1 and date2 ) and come up with a boolean sameDay which is true of the two Date s share the same day, and false if they are not.
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Batch equivalent of Bash backticks
When working with Bash, I can put the output of one command into another command like so:
5 Answers
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How to create hyperlink to call phone number on mobile devices?
...ble, so you might as well include them.
Since we never know where our website visitors are coming from, we need to make phone numbers callable from anywhere in the world. For this reason the + sign is always necessary. The + sign is automatically converted by your mobile carrier to your internation...
Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?
I just recently downloaded the Xcode 4.2 with iOS 5 SDK package and I immediately noticed that I am unable to use my iPhone 3Gs with iOS 4.2.1 for debugging. I am only able to debug and test on my iphone 4 with iOS 5 installed.
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