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select * vs select column
If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory?
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Why can't I forward-declare a class in a namespace using double colons?
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Send string to stdin
Is there a way to effectively do this in bash:
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How to keep the local file or the remote file during merge using Git and the command line?
...ge modification using vimdiff, but, assuming I just know that the entire file is good to keep or to throw away, how do I do that?
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How to rsync only a specific list of files?
I've about 50 or so files in various sub-directories that I'd like to push to a remote server. I figured rsync would be able to do this for me using the --include-from option. Without the --exclude="*" option, all the files in the directory are being synced, with the option, no files are.
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Android encryption / decryption using AES [closed]
Is there a good example of how to encrypt and decrypt image and other files with AES on Android?
11 Answers
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How to remove all debug logging calls before building the release version of an Android app?
According to Google, I must " deactivate any calls to Log methods in the source code " before publishing my Android app to Google Play. Extract from section 3 of the publication checklist :
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How to select different app.config for several build configurations
I have a dll-type project that contains MSTest integration tests. On my machine the tests pass, and I want the same to happen on a CI server (I use TeamCity). But the tests fail, because I need to tweak some settings in app.config. This is why I was thinking to have a separate second app.config fi...
Remote Connections Mysql Ubuntu
For some reason, I've been unable to connect remotely to my MySQL server. I've tried everything and I'm still getting errors.
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Example of Named Pipes
How do I write a simple--bare minimum needed for it to work--test application that illustrates how to use IPC/Named Pipes?
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