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How do cache lines work?
...,5% of its time (if it only reads memory) idle waiting for the memory.
In order to speed things up there is the L1, L2, L3 caches. They use memory being directly placed on the chip and using a different kind of transistor circuits to store the given bits. This takes more room, more energy and is mo...
What happens to global and static variables in a shared library when it is dynamically linked?
...yntax similar to the function export/import syntax, i.e.:
#ifdef COMPILING_THE_DLL
#define MY_DLL_EXPORT extern "C" __declspec(dllexport)
#else
#define MY_DLL_EXPORT extern "C" __declspec(dllimport)
#endif
MY_DLL_EXPORT int my_global;
When you do that, the global variable is added to the list of...
What is the difference between AF_INET and PF_INET in socket programming?
What is the difference between AF_INET and PF_INET in socket programming?
7 Answers
7
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Read file from line 2 or skip header row
...
Or use header_line = next(f).
– Samuel
Jan 6 '15 at 23:41
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How can I use PowerShell with the Visual Studio Command Prompt?
...t Visual Studio 10.0\VC'
cmd /c "vcvarsall.bat&set" |
foreach {
if ($_ -match "=") {
$v = $_.split("="); set-item -force -path "ENV:\$($v[0])" -value "$($v[1])"
}
}
popd
write-host "`nVisual Studio 2010 Command Prompt variables set." -ForegroundColor Yellow
This has worked well for ye...
Unable to execute dex: GC overhead limit exceeded in Eclipse
...
eclipse.ini look like this.
-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20130327-1440.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.v20140116-2212
-product
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
-showsplash
org.eclipse....
Match multiple cases classes in scala
... matcher(l: Foo): String = {
l match {
case A() => "A"
case B(_) | C(_) => "B"
case _ => "default"
}
}
If you must, must, must extract the parameter and treat them in the same code block, you could:
def matcher(l: Foo): String = {
l match {
case A() => "A"
ca...
Force TextBlock to wrap in WPF ListBox
...in the size of the listbox, you should set the width of it explicitly.
In order to change it dynamically, it means not a fix value, but you need to bind it to its proper parent element in the visual tree. You can have something like this:
<ListBox ItemsSource="{Binding MyItems}" Name="MyListBox...
How to modify the keyboard shortcuts in Eclipse IDE?
... less says it all. Specifically, I've become increasingly annoyed that in order to run an ant script I have to use Alt + Shift + x , q . But I think If I had this power I would many things I would change the shortcuts for/add shortcuts for things that don't currently have them.
...
Java Swing revalidate() vs repaint()
...ent to repaint itself. It is often the case that you need to call this in order to cleanup conditions such as yours.
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