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How to empty a Heroku database
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If you already have multiple gems installed, you may be presented with:
Select gem to uninstall:
1. heroku-2.25.0
2. heroku-2.26.2
3. All versions
Just uninstall #2 and rerun the command. Joy!
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Undo git update-index --skip-worktree
...-v will print all files with their status
grep -i ^S will filter files and select only skip worktree (S) or skip worktree and assume unchanged (s), -i means ignore case sensitive
cut -c 3- will remove status and leave only paths, cutting from the 3-rd character to the end
tr '\012' '\000' will repla...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...elset
tcsetattr
cfsetospeed
geteuid
pselect
sigemptyset
tcsetpgrp
chdir
getgid
raise
sigfillset
time
chmod
getgroups
read
sigismember
timer_getoverrun
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How to display a dynamically allocated array in the Visual Studio debugger?
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For beginners: If you select "a" variable, right click and add to watch list (inspect), if you open de debugger view in the list of watched values (I can't find the name of the window right now), you can double click "a" and rename it "a,X" where ...
Why is the Android test runner reporting “Empty test suite”?
...s, I right-click a test-package in the project explorer (Android view) and select Create 'Tests in XXX... - then it worked again
– TmTron
Sep 16 '17 at 15:00
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How to query MongoDB with “like”?
...d all entries for name? or the wildcard for * in SQL? Something that does select name from users; which just lists all the users?
– anon58192932
Oct 18 '17 at 19:15
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System.BadImageFormatException: Could not load file or assembly [duplicate]
...ed in my Application Pool by default.
To enable 32bit mode, open IIS and select your Application Pool. Mine was named "ASP.NET v4.0".
Right click, go to "Advanced Settings" and change the section named:
"Enabled 32-bit Applications" to true.
Restart your web server and try again.
I found the ...
UITableView is starting with an offset in iOS 7
...all your wanted UIViewControllers in InterfaceBuilder, on UIViewController selected object inspector:
For more details:
Submit your iOS 7 apps today.
iOS 7 UI Transition Guide > Appearance and Behavior
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How to remove all of the data in a table using Django
... /admin/dc_dash/model_4/
relation "dc_dash_model_4" does not exist
LINE 1: SELECT COUNT(*) AS "__count" FROM "dc_dash_model_4"
Do consider that - if we do not go to the ADMIN Console and try and see objects of the model - which have been already deleted - the Django app works just as intended.
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How can I list all the deleted files in a Git repository?
... for me in PowerShell:
git log --find-renames --diff-filter=D --summary | Select-String -Pattern "delete mode" | sort -u > deletions.txt
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