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Assembly code vs Machine code vs Object code?
... machine code file in a text editor you would see garbage, including unprintable characters (no, not those unprintable characters ;) ).
Object code is a portion of machine code not yet linked into a complete program. It's the machine code for one particular library or module that will make up the co...
Generating CSV file for Excel, how to have a newline inside a value
...l;}
-->
</style>
</head>
<body>
<table>
<tr>
<td>first line<br/>second line</td>
<td style="white-space:normal">first line<br/>second line</td>
</tr>
</table>
</bod...
What is the difference between Trap and Interrupt?
..., I/O ports, etc). These are asynchronous (i.e. they don't happen at predictable places in the user code) or "passive" since the interrupt handler has to wait for them to happen eventually.
You can also see a trap as a kind of CPU-internal interrupt since the handler for trap handler looks like an ...
Returning IEnumerable vs. IQueryable
... approximately takes 90 seconds to run that block of code against a WebLog table which has 1 million records.
So, all table records are loaded into memory as objects, and then with each .Where() it will be another filter in memory against these objects.
When we use IQueryable instead of IEnumerabl...
Setting up connection string in ASP.NET to SQL SERVER
...tabase using the details verified above in the con string wizzard. Add any table and save the file.
Now go into the web config, and magically, you will see nice clean working connection string there with all the details you need.
{ Below was part of an old post so you can ignore this, I leave i...
What is an AngularJS directive?
...e things like <a href="...">, <img src="...">, <br>, <table><tr><th>. How would you describe what a, href, img, src, br, table, tr, and th are? That's what a directive is.
share
...
PHP function to make slug (URL string)
...
sanitize is a strange, forgettable function name to generate a slug.
– rybo111
Jul 3 '15 at 13:52
add a comment
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What resources are shared between threads?
...
yes - i'm wondering whether it is acceptable to access memory in other stacks between threads? As long as you are sure you're not trying to reference a stack that has been deallocated I'm not sure I see a problem with it?
– bph
...
How to do a LIKE query in Arel and Rails?
...
This is how you perform a like query in arel:
users = User.arel_table
User.where(users[:name].matches("%#{user_name}%"))
PS:
users = User.arel_table
query_string = "%#{params[query]}%"
param_matches_string = ->(param){
users[param].matches(query_string)
}
User.where(param_matc...
How to kill zombie process
...herited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine their exit status.
An example of how you might send a signal to...