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Get started with Latex on Linux [closed]
...D$. The function $f$ is said to be \emph{continuous} on
$D$ if, for all $\epsilon > 0$ and for all $x \in D$,
there exists some $\delta > 0$ (which may depend on $x$)
such that if $y \in D$ satisfies
\[ |y - x| < \delta \]
then
\[ |f(y) - f(x)| < \epsilon. \]
One may readily verify that...
Command line to remove an environment variable from the OS level configuration
...following.
Save the PowerShell script to a file (we'll call it updateenv.ps1).
Do this from the command line: reg delete "HKCU\Environment" /v FOO /f
Run updateenv.ps1.
Close and reopen your command prompt, and you'll see that the environment variable is no longer defined.
Note, you'll probably ...
Should I be concerned about excess, non-running, Docker containers?
...r. If the container is no longer running it can still be seen with docker ps -a .
5 Answers
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Can linux cat command be used for writing text to file?
...
The > characters represent the default value of $PS2; they show up automatically, and are not meant to be typed. If you have a different value for $PS2, that will show up instead.
– gbrener
Jun 5 '18 at 15:13
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How to differ sessions in browser-tabs?
...ur AJAX function check first to make sure localStorage.currently_logged_in_user_id === window.yourAppNameSpace.user_id, and if not, log in first via AJAX.
Another is race conditions: if you can switch windows fast enough to confuse it, you may end up with a relogin1->relogin2->ajax1->ajax2...
What's the difference between belongs_to and has_one?
...s. We can say that a User "has" a Profile because the profiles table has a user_id column. If there was a column called profile_id on the users table, however, we would say that a Profile has a User, and the belongs_to/has_one locations would be swapped.
here is a more detailed explanation.
...
sqlalchemy: how to join several tables by one query?
...om"
).all()
One note about that...
query.join(Address, User.id==Address.user_id) # explicit condition
query.join(User.addresses) # specify relationship from left to right
query.join(Address, User.addresses) # same, with explicit target
query.join('addresses') ...
How to convert JSON to CSV format and store in a variable
...,description,link,timestamp,image,embed,language,user,user_image,user_link,user_id,geo,source,favicon,type,domain,id
"Apple iPhone 4S Sale Cancelled in Beijing Amid Chaos (Design You Trust)","Advertise here with BSA Apple cancelled its scheduled sale of iPhone 4S in one of its stores in China’s ca...
What does the line “#!/bin/sh” mean in a UNIX shell script?
...commands as a one script and it will show the that this file is running in ps command and not the commands inside the file.
./echo.sh
ps -ef |grep echo
trainee 3036 2717 0 16:24 pts/0 00:00:00 /bin/sh ./echo.sh
root 3042 2912 0 16:24 pts/1 00:00:00 grep --color=auto echo
...
How to simulate Android killing my process
...downs at top)
Get back to the application with Home long press or opened apps (depends on the device)
Application will start in recreated ActivityD (ActivityA, ActivityB, ActivityC are dead and will be recreated when you get back to them)
On some devices you can also get back to application (Activ...