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What is Bit Masking?
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the b to indicate binary literal is not supported by all compilers, correct?
– Ungeheuer
May 8 '17 at 23:37
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Getting the last argument passed to a shell script
$1 is the first argument.
$@ is all of them.
27 Answers
27
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How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
Not...
Detecting Unsaved Changes
...reunload methods as required.
From the comments, the following references all input fields, without duplicating code:
$(':input').change(function () {
Using $(":input") refers to all input, textarea, select, and button elements.
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Regex to validate password strength
...ex. This serves as a great learning example for those of us who've never really got on with the syntax.
– user673046
Nov 22 '13 at 6:11
4
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What should my Objective-C singleton look like? [closed]
My singleton accessor method is usually some variant of:
26 Answers
26
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How do I use vimdiff to resolve a git merge conflict?
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All four buffers provide a different view of the same file. The top left buffer (LOCAL) is how the file looked in your target branch (what you are merging into). The top right buffer (REMOTE) is how the file looked in your so...
PHP - how to best determine if the current invocation is from CLI or web server?
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A small caveat about this method: it will not return "cli" when run from a cron job. There's a number od differents keys to choose from inside of $_SERVER to determine more reliably whether the request came via HTTP or not.
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What does [:] mean?
...he type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line will do the same without [:]), and for a (say) NumPy array, it will create a new view to the same data.
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ADB No Devices Found
I am attempting 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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