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Viewing unpushed Git commits

... All the other answers talk about "upstream" (the branch you pull from). But a local branch can push to a different branch than the one it pulls from. master might not push to the remote tracking branch "origin/master". The upstream branch for master might be
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Replace a string in shell script using a variable

... Maybe also point out that switching from single to double quotes requires any $ or ` in the sed script to be escaped with a backslash, to protect it from the shell's substitution mechanism for double-quoted strings. – tripleee ...
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Undefined, unspecified and implementation-defined behavior

...cts of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in a predictable way, even though many C++ compilers will not report any errors in the program!...
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How do I output text without a newline in PowerShell?

...r at the top of the PowerShell window with progress information, available from PowerShell 3.0 onward, see manual for details. # Total time to sleep $start_sleep = 120 # Time to sleep between each notification $sleep_iteration = 30 Write-Output ( "Sleeping {0} seconds ... " -f ($start_sleep) ) fo...
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Controlling a USB power supply (on/off) with Linux

Is it possible to turn on/off power supplies from USB manually with Linux? 10 Answers ...
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()

...s that have not been used for sixty seconds are terminated and removed from the cache. Thus, a pool that remains idle for long enough will not consume any resources. Note that pools with similar properties but different details (for example, timeout parameters) may be created using T...
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How/When does Execute Shell mark a build as failure in Jenkins?

...ctly that happens depends on your build script. I wrote something similar from another point-of-view but maybe it will help to read it anyway: Why does Jenkins think my build succeeded? share | imp...
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module.exports vs exports in Node.js

...: It just happens to be the name of the library the OP's example was taken from. In the module, it allows the author to write things like nano.version = '3.3' instead of module.exports.version = '3.3', which reads a little more clearly. (Note that nano is a local variable, declared a little before...
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How to get the current date/time in Java [duplicate]

...milliseconds after the UNIX epoch (as a Java long). This value is a delta from a UTC time-point, and is independent of the local time-zone ... assuming that the system clock has been set correctly. If you want the date / time in a form that allows you to access the components (year, month, etc) num...
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Traversing text in Insert mode

... and you'll get used to it soon. If you made a mistake ten characters back from your cursor, you'll find out that pressing the ← key 10 times is much slower than the iterative approach to moving the cursor. So you can instead quickly type the keys 12h (as a rough of guess how many characters back ...