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How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...ete it with:
git branch -D crazyexperiment
It's always nice when you're starting out with history-modifying git commands (reset, rebase) to create backup branches before you run them. Eventually once you're comfortable you won't find it necessary. If you do modify your history in a way that you d...
Can I use a hash sign (#) for commenting in PHP?
...rrectly. I noticed that in large PHP files: 2k lines or more. Sometimes it starts to fold code on multiple #.
– CoR
Apr 14 '14 at 13:47
1
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Hex transparency in colors [duplicate]
...o the 2.5 increment, add 2 to the first and 3 to the next
95% — F2 // start
96% — F4 // add 2 to F2
97% — F7 // add 3 . Or F2 + 5 = F7
98% — F9 // add 2
99% — FC // add 3. 9 + 3 = 12 in hexa : C
100% — FF // add 2
I prefer to teach how to find the solution rather than show...
Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
...g timestamp (because it will not represent the number of seconds since the start of unix-time) - and connecting with a client with other locale settings will display wrong times, without an easy way to correct.
– Falco
Aug 27 at 9:53
...
do {…} while(false)
...
When did it not allow for braces everywhere? I started programming like 15 years ago, and it was allowed then (both in my text book and in every compiler I tried).
– erikkallen
Feb 23 '10 at 11:59
...
Set style for TextView programmatically
...tView(wrappedContext, null, 0);
With four-argument constructor (available starting from LOLLIPOP):
TextView textView = new TextView(yourContext, null, 0, R.style.your_style);
Key thing for both solutions - defStyleAttr parameter should be 0 to apply our style to the view.
...
How to get the nvidia driver version from the command line?
...at runs the utility to get the true memory available on the GPU to get you started.
# get gpu metrics
$cmd = "& 'C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi' --query-gpu=name,utilization.memory,driver_version --format=csv"
$gpuinfo = invoke-expression $cmd | ConvertFrom-CSV
$gpuname = ...
Changing UIImage color
...
Starting from iOS 10 you can use UIGraphicsImageRenderer:
extension UIImage {
func colored(_ color: UIColor) -> UIImage {
let renderer = UIGraphicsImageRenderer(size: size)
return renderer.image { con...
Re-open *scratch* buffer in Emacs?
...to-buffer *scratch* RET
The *scratch* buffer is the buffer selected upon startup, and has the major mode Lisp Interaction. Note: the mode for the *scratch* buffer is controlled by the variable initial-major-mode.
In general you can create as many "scratch" buffers as you want, and name them howe...
Is there a “do … until” in Python? [duplicate]
...utes one leg, as desired, even though the predicate's already false at the start.
It's normally better to encapsulate more of the looping logic into your generator (or other iterator) -- for example, if you often have cases where one variable increases, one decreases, and you need a do/while loop c...