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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...
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&...
When using a Settings.settings file in .NET, where is the config actually stored?
When using a Settings.settings file in .NET, where is the config actually stored?
I want to delete the saved settings to go back to the default state, but can't find where it's stored... any ideas?
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CSS – why doesn’t percentage height work? [duplicate]
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@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...
MacOSX homebrew mysql root password
...me. I think i already had mysql somewhere on my computer so a password was set there or something. After spending hours trying every solution out there this is what worked for me:
$ brew services stop mysql
$ pkill mysqld
$ rm -rf /usr/local/var/mysql/ # NOTE: this will delete your existing databas...
How to check if AlarmManager already has an alarm set?
...it to check if a particular alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create a new alarm.
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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...
String concatenation in MySQL
...ents, you can enable string concatenation with the || operator in MySQL by setting the PIPES_AS_CONCAT SQL mode.
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How to lock orientation during runtime
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setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
Called on an activity, will lock it to landscape. Look for the other flags in the ActivityInfo class. You can lock it back to portrait or make it sensor/...
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...