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How to unmount a busy device
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-l / --lazy won't corrupt open files, but on Linux it seems you can't know when the device is actually unmounted and can be removed
– Tom Hale
Aug 12 '17 at 6:14
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What is the difference between Trap and Interrupt?
... That makes sense. But then, what's a bit confusing is that why in earlier Linux kernels it was initialized as a software trap: set_trap_gate(0,&divide_error);
– Alex Kreimer
May 22 '12 at 9:56
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A semantics for Bash scripts?
...ell is implemented. Here's an implementation I did as an exercise. It's in Python, but I hope that's not a hangup for anyone. It's not terribly robust, but it is instructive:
#!/usr/bin/env python
from __future__ import print_function
import os, sys
'''Hacky barebones shell.'''
try:
input=raw_...
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
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You have to give %% to use it as % because % in python is use as string formatting so when you write single % its assume that you are going to replace some value with this.
So when you want to place single % in string with query allways place double %.
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Any reason to clean up unused imports in Java, other than reducing clutter?
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Ctrl+Shift+O on linux well. Probably the same on BSD.
– WhyNotHugo
Mar 23 '12 at 18:39
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close vs shutdown socket?
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I've also had success under linux using shutdown() from one pthread to force another pthread currently blocked in connect() to abort early.
Under other OSes (OSX at least), I found calling close() was enough to get connect() fail.
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Filter output in logcat by tagname
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Do not depend on ADB shell, just treat it (the adb logcat) a normal linux output and then pip it:
$ adb shell logcat | grep YouTag
# just like:
$ ps -ef | grep your_proc
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Specifying Maven's local repository location as a CLI parameter
...recedence. (At least I'm pretty sure it works that way on both windows and linux, but testing will tell.)
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Get Unix Epoch Time in Swift
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If you don't want to import Foundation, i.e. for Linux use etc, you can use the following from CoreFoundation:
import CoreFoundation
let timestamp = CFAbsoluteTimeGetCurrent() + kCFAbsoluteTimeIntervalSince1970
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Encrypt Password in Configuration Files? [closed]
...this would make it possible to extract the password using "ps fax" on (GNU/Linux)/UNIX.
– Ztyx
Apr 29 '13 at 6:31
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