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Are there benefits of passing by pointer over passing by reference in C++?
...inter types is not possible (pointers are builtin types). So you can't do string s = &str1 + &str2; using pointers.
No 0 values possible -> Called function doesn't have to check for them
Reference to const also accepts temporaries: void f(const T& t); ... f(T(a, b, c));, pointers ca...
Application Skeleton to support multiple screens
... like the Samsung Galaxy Tab is classified as large (larger than 4 inches)
Extra-large applies to large devices, for example large tablets
Android defines four generalised screen densities:
Qualifier Description Nominal value
ldpi low density 120 ppi
md...
List Git aliases
...on the answer by johnny. It applies if you're not using git-alias from git-extras.
On Linux, run once:
git config --global alias.alias "! git config --get-regexp ^alias\. | sed -e s/^alias\.// -e s/\ /\ =\ /"
This will create a permanent git alias named alias which gets stored in your ~/.gitconf...
The Ruby %r{ } expression
...
this regexp matches all strings that ends with .gif, .jpg...
you could replace it with
/\.(gif|jpg|jpeg|png)$/i
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Can a Windows batch file determine its own file name?
... search, then this modifier expands to the
empty string
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How can I access a JavaScript object which has spaces in the object's key?
...metimes called associative arrays since each property is associated with a string value that can be used to access it. So, for example, you could access the properties of the myCar object as follows:
myCar['make'] = 'Ford';
myCar['model'] = 'Mustang';
myCar['year'] = 1969;
For more, read on at Wo...
What's Up with Logging in Java? [closed]
...event is serialized using the unchanged message pattern + the arguments as Strings. I guess it just depends how you define "effectively" though. It would certainly emit the same message (at least if entry and object are the same ;)) so please forgive my nitpicking.
– Huxi
...
Retrieving parameters from a URL
...n you a list object. You need to get the first element of it if you want a string urlparse.parse_qs(parsed.query)['def'][0]
– raffaem
Jul 9 '17 at 10:11
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How can you check which options vim was compiled with?
...ursorshape +dialog_con +diff +digraphs
-dnd -ebcdic -emacs_tags +eval +ex_extra +extra_search -farsi +file_in_path
+find_in_path +float +folding -footer +fork() -gettext -hangul_input +iconv
+insert_expand +jumplist -keymap -langmap +libcall +linebreak +lispindent
+listcmds +localmap -lua +menu ...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
... in one of the following locations:
C:\Program
Files\Android\android-sdk\extras\intel\Hardware_Accelerated_Execution_Manager
C:\Users\<user>\adt-bundle-windows-x86_64\sdk\extras\intel\Hardware_Accelerated_Execution_Manager
If the installer fails with the message that Intel VT must be turne...