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How can I use a file in a command and redirect output to the same file without truncating it?
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14 Answers
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php: determine where function was called from
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129
You can use debug_backtrace().
Example:
<?php
function epic( $a, $b )
{
fail( $a . '...
Why do we use arrays instead of other data structures?
...an offset, the offset specifies how far in memory to look. This provides O(1) access time.
MyArray [5]
^ ^
Pointer Offset
All other data structures either build upon this, or do not use adjacent memory for storage, resulting in poor random access look up time (Though there are ...
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
...2 for iOS development. This morning I upgraded my iPhone and iPad to iOS 5.1.
15 Answers
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How to reverse a string in Go?
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In Go1 rune is a builtin type.
func Reverse(s string) string {
runes := []rune(s)
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
runes[i], runes[j] = runes[j], runes[i]
}
return string(runes)
}
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Python integer division yields float
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answered Aug 15 '09 at 21:51
Brandon E TaylorBrandon E Taylor
23.1k66 gold badges4343 silver badges6868 bronze badges
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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217
I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid servi...
In pure functional languages, is there an algorithm to get the inverse function?
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10 Answers
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Git: Merge a Remote branch locally
...r local branch:
git checkout master
git merge origin/aRemoteBranch
Note 1: For a large repo with a long history, you will want to add the --depth=1 option when you use git fetch.
Note 2: These commands also work with other remote repos so you can setup an origin and an upstream if you are workin...
How do I calculate the date six months from the current date using the datetime Python module?
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