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byte[] to hex string [duplicate]
...sult: 010204081020
If you want a more compact representation, you can use Base64:
string base64 = Convert.ToBase64String(data);
Result: AQIECBAg
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NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
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James McNellisJames McNellis
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How can I replace a newline (\n) using sed?
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Use this solution with GNU sed:
sed ':a;N;$!ba;s/\n/ /g' file
This will read the whole file in a loop, then replaces the newline(s) with a space.
Explanation:
Create a label via :a.
Append the current and next line to the pattern space via N.
If we are before the ...
Convert file path to a file URI?
..., but if you give it the path C:\a b.txt then you end up with file:///C:/a%2520b.txt instead of file:///C:/a%20b.txt - somehow it decides that some sequences should be decoded but not others. Now we could just prefix with "file:///" ourselves, however this fails to take UNC paths like \\remote\share...
Git commits are duplicated in the same branch after doing a rebase
I understand the scenario presented in Pro Git about The Perils of Rebasing . The author basically tells you how to avoid duplicated commits:
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Calling startActivity() from outside of an Activity?
...rnal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2520)
at android.view.View.dispatchPointerEvent(View.java:9173)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4706)
at android.view.ViewRootImpl$ViewPostImeInput...
CMake link to external library
...ORIES(${CMAKE_BINARY_DIR}/res)
And then just do
TARGET_LINK_LIBRARIES(GLBall mylib)
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How to convert PascalCase to pascal_case?
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cletuscletus
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How to use sed to remove the last n lines of a file
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laalto
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answered Nov 14 '12 at 14:26
amsams
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