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Intersection of two lists in Bash
...are broken. Globs are much more simple AND correct: ''for file in *.txt''. Read mywiki.wooledge.org/ParsingLs
– Rany Albeg Wein
Jan 25 '16 at 3:49
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How to set size for local image using knitr for markdown?
I have a local image that I would like to include in an .Rmd file which I will then knit and convert to HTML slides with Pandoc . Per this post , this will insert the local image :
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What is the lifetime of a static variable in a C++ function?
...s can be avoided with a little policy. static/global objects (singletons, etc) shall not access other static objects in their method bodies. They shall only accessed in constructors where a reference/pointer can be stored for later access in methods. This is not perfect but should fix 99 of the c...
How to grep Git commit diffs or contents for a certain word?
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If you want to find all commits where "word" was added or removed in the file contents (to be more exact: where number of occurences of "word" changed), i.e. search the commit contents, use so called 'pickaxe' search with
$ git log -Sword
In modern git there is also
$ git log -Gword
to look ...
How to properly reuse connection to Mongodb across NodeJs application and modules
...between modules. My current idea of the best way is that server.js (main file where everything starts) connects to database and creates object variable that is passed to modules. Once connected this variable will be used by modules code as necessary and this connection stays open. E.g.:
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What does “program to interfaces, not implementations” mean?
...downside of the first approach?
There is the overhead of finding a company etc. Unless you are a rental car company, it may not be worth the effort.
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What is the javascript MIME type for the type attribute of a script tag? [duplicate]
... configure things like: - - ForceType (For non-suffixed or non-standard files), - Output Filters (Like minifiers, gzip, compress, and anything else that needs to ID data type by MIME). Also, Id give a -1 to anyone using server side javascript, and the advise: get serious and dont be afraid to...
ADB No Devices Found
...ting to install an Android app on my brand new Nexus 10 . I have a .apk file. I have downloaded the Android SDK, installed "Android SDK Tools", "Android SDK Platform-tools", and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources".
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How to overload functions in javascript?
...tion(first,second,third){ /* what we will do if 3 args passed? */});
//... etc :)
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Why git can't remember my passphrase under Windows
...everal other places in cyberspace.
Run PuTTY's pageant.exe, open your .ppk file ("Add Key"), and provide your passphrase for your key.
Access Windows' environment variables dialog (Right-click on "Computer", Click on "Properties", Click on "Advanced system settings" or the "Advanced" tab, click on "...