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What are the minimum margins most printers can handle?
... Very often HP used 1/3, 1/2 inch or more (like "24 24 588 768" for Letter format). I remember having hacked HP PPDs and tuned them down to "6 6 606 786" (1/12 inch) before the physical boundaries of the device kicked in and enforced a real clipping of the page image.
Now, PCL and other language pr...
What is the >>>= operator in C?
...the equivalent of:
int i = 10;
while( i >>= 1)
which is simply performing (integer) division by 2 in each iteration, producing the sequence 5, 2, 1.
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...tions:
# Explicit conversion without encoding
unicode('€')
# New style format string into Unicode string
# Python will try to convert value string to Unicode first
u"The currency is: {}".format('€')
# Old style format string into Unicode string
# Python will try to convert value string to Uni...
How do I iterate over an NSArray?
...t
}
This construct is used to enumerate objects in a collection which conforms to the NSFastEnumeration protocol. This approach has a speed advantage because it stores pointers to several objects (obtained via a single method call) in a buffer and iterates through them by advancing through the buf...
Numpy first occurrence of value greater than existing value
... above comment, this answer is off by one if N/2 is not in aa. The correct form would be np.searchsorted(aa, N/2, side='right') (without the +1). Both forms give the same index otherwise. Consider the test case of N being odd (and N/2.0 to force float if using python 2).
– aske...
The case against checked exceptions
...pty())
and it will be painful to have to wrap in try/catch every time.
Informing the User:
Checked exceptions should be used in cases where you can imagine a useful error message being presented to the end user.
This is the "and what will you do when it happens?" question I raised above. It also...
What's the difference between including files with JSP include directive, JSP include action and usi
...e is a short overview of JSP syntax elements:
Directives: These convey information regarding the JSP page as a
whole.
Scripting elements: These are Java coding elements such as
declarations, expressions, scriptlets, and comments.
Objects and scopes: JSP objects can be created either explicitly or
...
Correct file permissions for WordPress [closed]
...s on the best file permissions. I also took a look at some of WordPress's form's questions over here too but anybody that suggests 777 obviously needs a little lesson in security.
...
Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
... TCP/IP communication with their API. They will process the credit card information on your behalf. Two vendors are Authorize.Net and PayFlow Pro. The link I provide below has some more information on other vendors.
Now what? For starters there are guidelines on what your application has to adhe...
Why are Perl 5's function prototypes bad?
...ficult to call functions using anything other than the
strictly prescribed form.
See Prototypes in perlsub for all the gory details.
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