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gdb fails with “Unable to find Mach task port for process-id” error
...You have to follow this guide to make it work: http://www.opensource.apple.com/source/lldb/lldb-69/docs/code-signing.txt
The guide explains how to do it for lldb, but the process is exactly the same for gdb.
share
...
Mercurial for Beginners: The Definitive Practical Guide
... so if you only use regexp you don't need any syntax marker.
You can add comments with #
Example:
# python temporary files
syntax: glob
*.pyc
#editor autosaves
*~
# temporary data
syntax: regexp
temp
Ignore only applies to unmanaged files (i.e. files that are not already checked in). To igno...
Is it a good idea to index datetime field in mysql?
...
MySQL recommends using indexes for a variety of reasons including elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index ...
How to simulate a touch event in Android?
...0.0f;
float y = 0.0f;
// List of meta states found here: developer.android.com/reference/android/view/KeyEvent.html#getMetaState()
int metaState = 0;
MotionEvent motionEvent = MotionEvent.obtain(
downTime,
eventTime,
MotionEvent.ACTION_UP,
x,
y,
metaState
);
// Dispatch...
What is the most efficient way to store tags in a database?
...implies to me that you'll quite possibly need an intermediary table to overcome the many-to-many obstacle.
Something like:
Table: Items
Columns: Item_ID, Item_Title, Content
Table: Tags
Columns: Tag_ID, Tag_Title
Table: Items_Tags
Columns: Item_ID, Tag_ID
It might be that your web app is very ...
Rails: Check output of path helper from console
...
Just in a follow up of my own comment, seems this is possible from rails 3 console, in case you're using. First, stick a fake request into your app object, by calling something like app.get "/" then just instance_eval the wanted methods, as they are no...
How to convert a ruby hash object to JSON?
... edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Jul 6 '10 at 6:40
Mladen JablanovićMla...
How to trigger event in JavaScript?
... This example doesn't even works, see my answer: stackoverflow.com/a/20548330/407213
– Dorian
Dec 12 '13 at 16:08
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Is there a way to get the XPath in Google Chrome?
...
I guess Chrome copied most of the Firebug command-line commands: getfirebug.com/wiki/index.php/Command_Line_API
– huyz
Sep 3 '11 at 8:35
102
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@Basic(optional = false) vs @Column(nullable = false) in JPA
...
Gordon Yorke (EclipseLink Architecture Committee Member, TopLink Core Technical Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the sc...