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Validating parameters to a Bash script
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Changed it to -eq; what does set +e buy you here?
– Brian Campbell
Mar 31 '09 at 1:11
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Is it possible to modify variable in python that is in outer, but not global, scope?
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Python 3.x has the nonlocal keyword. I think this does what you want, but I'm not sure if you are running python 2 or 3.
The nonlocal statement causes the listed identifiers to refer to
previously bound variables in the nearest enclosing scope. This is
important because t...
embedding image in html email
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Email source code looks something like this, but i really cant tell you what that boundary thing is for:
To: email@email.de
Subject: ...
Content-Type: multipart/related;
boundary="------------090303020209010600070908"
This is a multi-part message in MIME format.
--------------09030302020901...
Getting MAC Address
...can fake the MAC addr by returning a random 48-bit number which may not be what you are expecting. Also, there's no explicit indication that the MAC address has been faked, but you could detect it by calling getnode() twice and seeing if the result varies. If the same value is returned by both calls...
Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy
... Applications.
Steps
Open IIS Manager
Click on Application Pools
Select whatever application pool you are using
From right pane, click Advanced Settings...
Set Enable 32-Bit Applications to True
share
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how to log in to mysql and query the database from linux terminal
...mysql -u root -p
or
mysqladmin -u root -p "your_command"
depending on what you want to do. The password will be asked of you once you hit enter! I'm guessing you really want to use mysql and not mysqladmin.
For restarting or stopping the MySQL-server on linux, it depends on your installation, ...
How do I dump the data of some SQLite3 tables?
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You're not saying what you wish to do with the dumped file.
I would use the following to get a CSV file, which I can import into almost everything
.mode csv
-- use '.separator SOME_STRING' for something other than a comma.
.headers on
.out...
Can I bind an array to an IN() condition?
... @erfling, yes, that is correct, and binding the params is exactly what we are doing in this example by sending execute an array of ids
– Don Vaughn
Dec 1 '15 at 18:18
5
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Co-variant array conversion from x to y may cause run-time exception
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What it means is this
Control[] controls = new LinkLabel[10]; // compile time legal
controls[0] = new TextBox(); // compile time legal, runtime exception
And in more general terms
string[] array = new string[10];
object[...
Why do we need C Unions?
...lement pseudo-polymorphism in C, by giving a structure some tag indicating what type of object it contains, and then unioning the possible types together:
enum Type { INTS, FLOATS, DOUBLE };
struct S
{
Type s_type;
union
{
int s_ints[2];
float s_floats[2];
double s_double;
};
};...