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How do you determine the ideal buffer size when using FileInputStream?
I have a method that creates a MessageDigest (a hash) from a file, and I need to do this to a lot of files (>= 100,000). How big should I make the buffer used to read from the files to maximize performance?
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Using npm behind corporate proxy .pac
...veral packages through npm but our corporate proxy configuration is a .pac file (i'm on windows)
25 Answers
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how can I add the aidl file to Android studio (from the in-app billing example)
...illing).
Within the src/main/aidl/ folder you already have, put the .aidl file in com/android/vending/billing/.
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Maven fails to find local artifact
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The local Maven repo tracks where artifacts originally came from using a file named "_maven.repositories" in the artifact directory. After removing it, the build worked. This answer fixed the problem for me.
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How to track down log4net problems
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First you have to set this value on the application configuration file:
<configuration>
<appSettings>
<add key="log4net.Internal.Debug" value="true"/>
</appSettings>
</configuration>
Then, to determine the file in which you want to save the outpu...
Check for null in foreach loop
...a nicer way of doing the following:
I need a check for null to happen on file.Headers before proceeding with the loop
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Rails filtering array of objects by attribute value
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This is fine :
@logos = @attachments.select { |attachment| attachment.file_type == 'logo' }
@images = @attachments.select { |attachment| attachment.file_type == 'image' }
but for performance wise you don't need to iterate @attachments twice :
@logos , @images = [], []
@attachments.each do |a...
CMake output/build directory
... defaults. You should definitely not modify CMAKE_BINARY_DIR or CMAKE_CACHEFILE_DIR. Treat these as read-only.
First remove the existing problematic cache file from the src directory:
cd src
rm CMakeCache.txt
cd ..
Then remove all the set() commands and do:
cd Compile
rm -rf *
cmake ../src
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Converting JSON String to Dictionary Not List
I am trying to pass in a JSON file and convert the data into a dictionary.
6 Answers
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How to undo another user’s checkout in TFS?
... am asked to undo a checkout (usually a lock) that a user has on a certain file checked into source control.
4 Answers
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