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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...e is first set. In these cases, it
is useful to remove the need to check and unwrap the optional’s value
every time it is accessed, because it can be safely assumed to have a
value all of the time.
These kinds of optionals are defined as implicitly unwrapped
optionals. You write an im...
Virtualbox “port forward” from Guest to Host [closed]
...
Network communication Host -> Guest
Connect to the Guest and find out the ip address:
ifconfig
example of result (ip address is 10.0.2.15):
eth0 Link encap:Ethernet HWaddr 08:00:27:AE:36:99
inet addr:10.0.2.15 Bcast:10.0.2.255 Mask:255.255.255.0
Go to Vbox inst...
How to strip HTML tags from string in JavaScript? [duplicate]
...gt; or <html> or <head> tags is not valid within a <div> and may therefore not be parsed correctly.
textContent (the DOM standard property) and innerText (non-standard) properties are not identical. For example, textContent will include text within a <script> element while in...
IIS7 Cache-Control
...;
That will inform the client to cache content for 7 days in that folder and all subfolders.
You can also do this by editing the IIS7 metabase via appcmd.exe, like so:
\Windows\system32\inetsrv\appcmd.exe
set config "Default Web Site/folder"
-section:system.webServer/staticContent
-cl...
How do I show a console output/window in a forms application?
...
I tested on Windows 8 and Windows 10: - AttachConsole works from a cmd box - AllocConsole works from Visual Studio. When alloc is needed, AttachConsole returns false. You should also call FreeConsole() before terminating the application in console...
Error when deploying an artifact in Nexus
...version, proxy repo or group instead of a hosted repository)
Check those and if you still run into trouble provide more details here.
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git-svn: how do I create a new svn branch via git?
...ing it, I it might help adding examples of the specific git svn branch command and relate it to a typical workflow.
Like kch answered, use git svn branch. Here is a full example, (note the -n for dry-run to test):
git svn branch -n -m "Branch for authentication bug" auth_bug
If this goes well, ...
How to give border to any element using css without adding border-width to the whole width of elemen
...
outline:1px solid white;
This won't add the extra width and height.
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Display a tooltip over a button using Windows Forms
...
The ToolTip is a single WinForms control that handles displaying tool tips for multiple elements on a single form.
Say your button is called MyButton.
Add a ToolTip control (under Common
Controls in the Windows Forms
toolbox) to your form.
Give it a
name - say MyToolTip
...
set gvim font in .vimrc file
...owing (Uses Consolas size 11 on Windows, Menlo Regular size 14 on Mac OS X and Inconsolata size 12 everywhere else):
if has("gui_running")
if has("gui_gtk2")
set guifont=Inconsolata\ 12
elseif has("gui_macvim")
set guifont=Menlo\ Regular:h14
elseif has("gui_win32")
set guifont=Con...