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Is gettimeofday() guaranteed to be of microsecond resolution?
...ad Timing for Intel Processors
If you're on Intel hardware, here's how to read the CPU real-time instruction counter. It will tell you the number of CPU cycles executed since the processor was booted. This is probably the finest-grained counter you can get for performance measurement.
Note that ...
Concept of void pointer in C programming
...eger must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way of reading a little-endian value */
uint16_t value = *(uint8_t*)ptr
| ...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...m>
(note that process attribute is omitted as that defaults to @form already)
Whilst that may work fine, the update of input and command components is in this particular example unnecessary. Unless you change the model values foo and bar inside action method (which would in turn be unintuitive i...
Is git not case sensitive?
...
I initially read this as the original poster trying to perform a case-changing rename of a folder, not a file. Now that I re-read this, it is unclear. Indeed, mv -f will work for a file.
– Edward Thomson
...
How to check if a map contains a key in Go?
...ty in go. Most of the time the amortized complexity is O(1) but it's worth reading the answers on that question.
– 3ocene
Oct 9 '18 at 20:50
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ASP.NET MVC Razor pass model to layout
...nd always feels a little bit kludgy to me. My understanding is that it's 'read-once' so that as soon as you read it it removes it from session (or perhaps as soon as the request is over). It's possible that you store session in Sql Server (or Dynamo Db) so consider the fact that you'd have to se...
How do I write data into CSV format as string (not file)?
...Dummy_Writer:
This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).
There is also cStringIO, which is a faster version of the StringIO class.
share
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Examples of GoF Design Patterns in Java's core libraries
....Collections#list()
java.util.Collections#enumeration()
java.io.InputStreamReader(InputStream) (returns a Reader)
java.io.OutputStreamWriter(OutputStream) (returns a Writer)
javax.xml.bind.annotation.adapters.XmlAdapter#marshal() and #unmarshal()
Bridge (recognizeable by creational methods taking a...
How to display count of notifications in app launcher icon [duplicate]
...oal by using a widget instead of an icon. Widgets are customisable. Please read this :http://www.cnet.com/8301-19736_1-10278814-251.html and this http://developer.android.com/guide/topics/appwidgets/index.html.
Also look here: https://github.com/jgilfelt/android-viewbadger. It can help you.
As for b...
Regex Named Groups in Java
...our own version of Regex...
That is precisely what Gorbush2 did in this thread.
Regex2
(limited implementation, as pointed out again by tchrist, as it looks only for ASCII identifiers. tchrist details the limitation as:
only being able to have one named group per same name (which you don’t ...