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Where are the Properties.Settings.Default stored?
...d default it to true. Then when your app starts, check this. If it's true, call Properties.Settings.Default.Upgrade(), .Save() and .Reload(). Then reset UpgradeNeeded to false and save.
– jasonh
Nov 20 '11 at 22:11
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How to print matched regex pattern using awk?
... search for pattern using //, then print out the line, which by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
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Status bar won't disappear
...
Also, as stated in the Apple docs, you should call the [self setNeedsStatusBarAppearanceUpdate]; after calling this method with something other than the default value (the default value is NO).
– manderson
Sep 12 '13 at 13:51
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Split data frame string column into multiple columns
...o_and_bar_2'))
out <- strsplit(as.character(before$type),'_and_')
do.call(rbind, out)
[,1] [,2]
[1,] "foo" "bar"
[2,] "foo" "bar_2"
[3,] "foo" "bar"
[4,] "foo" "bar_2"
And to combine:
data.frame(before$attr, do.call(rbind, out))
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How to change bower's default components folder?
...with ".", simply create the file with a trailing ".". In other words, just call it ".bowerrc."
– PeteK68
Jan 4 '15 at 22:10
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Run a single migration file
... I had to create an instance of the migration object before I could call up. e.g. AddFoos.new.up
– Bentleyo
Oct 30 '12 at 5:43
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Include constant in string without concatenating
...constant() is an alternative way to get hold of a constant, but a function call can't be put into a string without concatenation either.
Manual on constants in PHP
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Beyond Stack Sampling: C++ Profilers
...as often insensible. I've used the random pause technique. I've examined call-trees. I've fired off function traces. But the sad painful fact of the matter is that the app I'm working with is over a million lines of code, with probably another million lines worth of third-party apps.
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In Java, is there a way to write a string literal without having to escape quotes?
...ke that for a static field. Since it's static the string-replace code gets called once, upon initialization of the class. So the runtime performance penalty is practically nonexistent, and it makes the code considerably more legible.
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C++ Returning reference to local variable
...ference) to an object with a lifetime limited to the scope of the function call. That means once func1() returns, int i dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist.
int main()
{
int& p = func1();
/* p is garbage *...
