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How to create directory automatically on SD card

...ollowing location FileOutputStream fos = new FileOutputStream("/sdcard/Wallpaper/"+fileName); but I'm getting the exception java.io.FileNotFoundException However, when I put the path as "/sdcard/" it works. ...
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CSS3 Transparency + Gradient

...radient Generator over at Colorzilla which has a bunch of nice presets and all the cross browser compatible variations to achieve your desired gradient – andrhamm Nov 23 '11 at 16:16 ...
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Moving and vanishing lines of code; trouble with Eclipse's XML Editor

... This bug is (finally) fixed in ADT 21. The fix is now available in ADT 21 Preview 9, posted a few minutes ago, here: https://android-review.googlesource.com/#/c/44936/1 The reason you get weird visual artifacts is that if a file contains br...
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Using a bitmask in C#

... flags = (T)(object)(flagsValue & (~flagValue)); } } This would allow me to rewrite the above code as: Names names = Names.Susan | Names.Bob; bool susanIsIncluded = FlagsHelper.IsSet(names, Names.Susan); bool karenIsIncluded = FlagsHelper.IsSet(names, Names.Karen); Note I could also ...
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pull out p-values and r-squared from a linear regression

...mmary object summary(fit)$r.squared. See names(summary(fit)) for a list of all the items you can extract directly. Model p-value: If you want to obtain the p-value of the overall regression model, this blog post outlines a function to return the p-value: lmp <- function (modelobject) { if ...
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Using jQuery to test if an input has focus

...filter out false positives like body. This way, we make sure to filter out all elements except form controls and hyperlinks. You're defining a new selector. See Plugins/Authoring. Then you can do: if ($("...").is(":focus")) { ... } or: $("input:focus").doStuff(); Any jQuery If you just wa...
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How does a Java HashMap handle different objects with the same hash code?

...ng bucket, and then it will compare the key that you gave with the keys of all pairs in the bucket, by comparing them with equals(). Now you can see how this is very efficient for looking up key-value pairs in a map: by the hash code of the key the hashmap immediately knows in which bucket to look,...
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Font Awesome not working, icons showing as squares

... the new Font Awesome file. The problem is that when I try to use an icon, all that gets rendered on the page is a big square. ...
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How to set the first option on a select box using jQuery?

...ic concept, and in this case it looks like he wants to reset it to "Select All", which is the first option. – Jack Sep 16 '11 at 14:08 ...
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Hidden features of Windows batch files

... Line continuation: call C:\WINDOWS\system32\ntbackup.exe ^ backup ^ /V:yes ^ /R:no ^ /RS:no ^ /HC:off ^ /M normal ^ /L:s ^ @daily.bks ^ /F daily.bkf ...