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The difference between fork(), vfork(), exec() and clone()
...a needless expense. Nowadays, fork() doesn't copy the memory; it's simply set as "copy on write", so fork()+exec() is just as efficient as vfork()+exec().
clone() is the syscall used by fork(). with some parameters, it creates a new process, with others, it creates a thread. the difference betwee...
Detect application heap size in Android
... for each app. In CM, for example, this option appears under "CyanogenMod settings" / "Performance" / "VM heap size".
NOTE: BE AWARE THAT SETTING THIS VALUE MANUALLY CAN MESS UP YOUR SYSTEM, ESPECIALLY if you select a smaller value than is normal for your device.
Here are my test results showing...
Intellij IDEA show javadoc automatically
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Settings | Editor | General |Code Completion | Autopopup documentation in (ms).
UPDATE: latest versions have an option to show JavaDoc on mouse move.
...
Decimal precision and scale in EF Code First
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Is there a EF configuration to set it for all decimal properties on all entities in one place? We generally use (19,4) . It would be nice to have this automatically be applied to all decimal properties, so we can't forget to set a property precision and mi...
CSS – why doesn’t percentage height work? [duplicate]
...
@ChrisM - Depending on how you want to use it, just set equal paddings to half the width you want the box: jsfiddle.net/en9xyv30/1 If you want content in the box, it'll likely need to be absolutely positioned -- just set top, right, bottom, and left all to 0 (or the same value...
UIViewContentModeScaleAspectFill not clipping
... some thumbnail images at a fixed size (100x100) using UIImageView . I've set the frame size of my image view to be 100x100, and set the contentMode to UIViewContentModeScaleAspectFill .
...
Can table columns with a Foreign Key be NULL?
...ms like a problem if you want to know later whether a value was originally set as "default" (by using null) or set to a value that happens to be the same as "default". By having a row with a null id, you can clearly indicate that this row is not to be used as a normal row, and can use the row as a w...
What is @RenderSection in asp.net MVC
...cript>
}
<div class="row">
<div class="col-md-6 col-md-offset-3">
<h2> Contacts</h2>
</div>
</div>
(3) you have About.cshtml
<div class="row">
<div class="col-md-6 col-md-offset-3">
<h2> Contacts</h2&...
Configuration System Failed to Initialize
...n>
<configSections>
<sectionGroup name="applicationSettings"
type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="YourProjectName.Properties.S...
Will the base class constructor be automatically called?
...eters. For example:
public class Base
{
public int SomeNumber { get; set; }
public Base(int someNumber)
{
SomeNumber = someNumber;
}
}
public class AlwaysThreeDerived : Base
{
public AlwaysThreeDerived()
: base(3)
{
}
}
In order to construct an Al...