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When should I choose Vector in Scala?
...e, Vector can provide most common operations reasonably fast, i.e. in O(log_32(n)). That works for prepend, append, update, random access, decomposition in head/tail. Iteration in sequential order is linear.
List on the other hand just provides linear iteration and constant time prepend, decompositi...
Show Youtube video source into HTML5 video tag?
... edited Feb 12 at 11:33
aka_julie
4188 bronze badges
answered Feb 24 '15 at 3:50
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What are the differences between struct and class in C++?
...unction exposed with the same name, developers used to follow a pattern of _(). e.g. mathlibextreme_max(). By grouping APIs into classes, similar functions (here we call them "methods") can be grouped together and protected from the naming of methods in other classes. This allows the programmer to o...
Breaking up long strings on multiple lines in Ruby without stripping newlines
...lution in Ruby 2.3: The squiggly heredoc.
class Subscription
def warning_message
<<~HEREDOC
Subscription expiring soon!
Your free trial will expire in #{days_until_expiration} days.
Please update your billing information.
HEREDOC
end
end
Blog post link: https:/...
Detect Windows version in .net
...ObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem"))
{
ManagementObjectCollection information = searcher.Get();
if (information != null)
{
foreach (ManagementObject obj in information)
{
r = obj["Caption"].ToString() +...
Python in Xcode 4+?
...ing on the triangle pointing to the right.
Type in $(SRCROOT)/ (or $(SOURCE_ROOT)/) and then the name of the Python file you want to test. Remember, the Python program must be in the project folder. Otherwise, you will have to type out the full path (or relative path if it's in a subfolder of the pr...
HttpClient.GetAsync(…) never returns when using await/async
...ext.
So, here's why test5 fails:
Test5Controller.Get executes AsyncAwait_GetSomeDataAsync (within the ASP.NET request context).
AsyncAwait_GetSomeDataAsync executes HttpClient.GetAsync (within the ASP.NET request context).
The HTTP request is sent out, and HttpClient.GetAsync returns an uncomplet...
How do I get an apk file from an Android device?
...... /Users/bbb/Android/android-sdk-mac_86/tools/adb pull Android2.2Froyo/sdcard/iTwips.apk /Users/bbb Thanks is advance.......
– Finder
Oct 27 '10 at 13:17
...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...og/feeds instead of sharer.php
https://www.facebook.com/dialog/feed?
app_id=145634995501895
&display=popup&caption=An%20example%20caption
&link=https%3A%2F%2Fdevelopers.facebook.com%2Fdocs%2Fdialogs%2F
&redirect_uri=https://developers.facebook.com/tools/explorer
Official ...
Left-pad printf with spaces
...ructure). The indent is the number of spaces before the string.
void print_with_indent(int indent, char * string)
{
printf("%*s%s", indent, "", string);
}
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