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str performance in python
...09341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % compiles to a single immediate bytecode:
>>> dis.dis(lambda x: str(x))
9 0 LOAD_GLOBAL 0 (str)
3 L...
Start service in Android
...where: Before you launch the service, the result of the service intent, inside the service class where it would travel(onCreate, onDestroy, any and all methods).
– Zoe
Apr 10 '17 at 18:41
...
ASP.NET web.config: configSource vs. file attributes
...guration settings
specific to the appSettings section
will merge (and override) settings in the .config file
will not cause web application to restart when modifying the specified file
http://msdn.microsoft.com/en-US/library/ms228154(v=vs.100).aspx
Using the Configuration.AppSettings.Settings.Add AP...
Suppress echo of command invocation in makefile?
...n the program and write the output to a file, which has a SHA1 fingerprint identical to the one given in the spec.
4 Answe...
How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
The default IntelliJ / Android Studio "Redo" action shortcut is CTRL + Shift + Z and this is a common problem for Windows users.
...
NSDefaultRunLoopMode vs NSRunLoopCommonModes
...s to give priority to user events instead of background events.
If you decide to change the run loop mode for your NSURLConnection thread, by using scheduleInRunLoop:forModes:, then you can assign the thread to a special run loop mode, rather than the specific default run loop. The special pseudo-m...
How to use CMAKE_INSTALL_PREFIX
...o cache)
CIP = /foo/bar/bubba (should be /foo/bar/bubba
-- The C compiler identification is GNU 4.4.7
-- etc, etc,...
CIP = /usr/local (should be /foo/bar/bubba
CIP = /foo/bar/bubba (should be /foo/bar/bubba
-- Configuring done
-- Generating done
Second run
CIP = /foo/bar/bubba (should be /foo/b...
Using FileSystemWatcher to monitor a directory
...ying. I removed all of the notify filters except for LastWrite.
private void watch()
{
FileSystemWatcher watcher = new FileSystemWatcher();
watcher.Path = path;
watcher.NotifyFilter = NotifyFilters.LastWrite;
watcher.Filter = "*.*";
watcher.Changed += new FileSystemEventHandler(OnChanged)...
JavaScript for…in vs for
...
The choice should be based on the which idiom is best understood.
An array is iterated using:
for (var i = 0; i < a.length; i++)
//do stuff with a[i]
An object being used as an associative array is iterated using:
for (var key in o)
//do stuff with o[k...
Entity Framework: There is already an open DataReader associated with this Command
...is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through result of the query (IQueryable) and you will trigger lazy loa...