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iPhone hide Navigation Bar only on first page
...
in Swift 3:
override func viewWillAppear(_ animated: Bool) {
navigationController?.navigationBar.isHidden = true
super.viewWillAppear(animated)
}
override func viewWillDisappear(_ animated: Bool) {
if (navigationController?.topViewController != self) {...
How to declare an array in Python?
...are known at write-time, you could just write it as a literal like this: my_2x2_list = [[a, b], [c, d]]. Depending on what you need multi-dimensional arrays for, you also might consider using numpy, which defines array types for multi-dimensional, homogeneous, unboxed arrays that can be much more ef...
Is there a way to suppress warnings in Xcode?
...b.
Under User-Defined: find (or create if you don't find one )the key : GCC_WARN_UNUSED_VARIABLE set it to NO.
EDIT-2
Example:
BOOL ok = YES;
NSAssert1(ok, @"Failed to calculate the first day the month based on %@", self);
the compiler shows unused variable warning for ok.
Solution:
BOOL ...
Redirect Windows cmd stdout and stderr to a single file
...'re using these to make log files, then unless you're sending the outut to _uniquely_named_ (eg date-and-time-stamped) log files, then if you run the same process twice, the redirected will overwrite (replace) the previous log file.
The >> (for either STDOUT or STDERR) will APPEND not REPLACE...
How to install Java 8 on Mac
... install jenv
$ echo 'export PATH="$HOME/.jenv/bin:$PATH"' >> ~/.bash_profile
$ echo 'eval "$(jenv init -)"' >> ~/.bash_profile
$ source ~/.bash_profile
Add the installed java to jenv:
$ jenv add /Library/Java/JavaVirtualMachines/jdk1.8.0_202.jdk/Contents/Home
$ jenv add /Library/Java...
How to create new tmux session if none exists
...ause with a small tweak this works with named sessions: tmux attach -t some_name || tmux new -s some_name. Change some_name to $1 add a shebang, and save.
– Cheezmeister
Jan 9 '14 at 4:48
...
The transaction manager has disabled its support for remote/network transactions
...m.
Basically I had duplicate CID's for the MSDTC across both servers. HKEY_CLASSES_ROOT\CID
See: http://msdn.microsoft.com/en-us/library/aa561924.aspx section Ensure that MSDTC is assigned a unique CID value
I am working with virtual servers and our server team likes to use the same image for eve...
Reading header data in Ruby on Rails
...ll working):
request.headers["Cookie"]
New way:
request.headers["HTTP_COOKIE"]
To get a Hash with all headers of the request.
request.headers
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How to create “No Activate” form in Firemonkey
...form.Caption));
if hWin <> 0 then
SetWindowLong(hWin, GWL_EXSTYLE,
GetWindowLong(hWin, GWL_EXSTYLE) or WS_EX_NOACTIVATE);
end;
{$ENDIF}
destructor TNoActivateForm.Destroy;
{$IFDEF POSIX}
begin
panel.release;
end;
{$ELSE}
begin
end;
{$ENDIF}
procedure TNoActivateFo...
Unable to import a module that is definitely installed
...nt's: make sure you got the right directory by doing $ pip show <package_name>
– Federico
Aug 10 '16 at 5:05
3
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