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C read file line by line
...har * line = NULL;
size_t len = 0;
ssize_t read;
fp = fopen("/etc/motd", "r");
if (fp == NULL)
exit(EXIT_FAILURE);
while ((read = getline(&line, &len, fp)) != -1) {
printf("Retrieved line of length %zu:\n", read);
printf("%s", line);
}
f...
Auto increment primary key in SQL Server Management Studio 2012
...
Work's, providing there are no Foreign keys etc
– Andrew Day
Feb 8 '16 at 11:22
3
...
Open firewall port on CentOS 7
...le approaches, it is useful to note that you can add your own services to /etc/firewalld/services. For inspiration, look at /usr/lib/firewalld/services/, where firewalld's predefined services are located.
The advantage of this approach is that later you will know why these ports are open, as you've...
What is the difference between background and background-color
...background will supercede all previous background-color, background-image, etc. specifications. It's basically a shorthand, but a reset as well.
I will sometimes use it to overwrite previous background specifications in template customizations, where I would want the following:
background: white u...
Sleeping in a batch file
...sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to your PATHEXT environment variable. On Windows XP, you can edit it in:
My Computer → Properties...
How can I strip all punctuation from a string in JavaScript using regex?
...gt;?@[\]^_`{|}~
For Unicode punctuation (such as curly quotes, em-dashes, etc), you can easily match on specific block ranges. The General Punctuation block is \u2000-\u206F, and the Supplemental Punctuation block is \u2E00-\u2E7F.
Put together, and properly escaped, you get the following RegExp:
...
Is it correct to use DIV inside FORM?
... form will submit only its input type controls ( *also Textarea , Select , etc...).
You have nothing to worry about a div within a form.
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...m
def reader():
"""A generator that fakes a read from a file, socket, etc."""
for i in range(4):
yield '<< %s' % i
def reader_wrapper(g):
# Manually iterate over data produced by reader
for v in g:
yield v
wrap = reader_wrapper(reader())
for i in wrap:
pr...
could not resolve host github.com error while cloning remote repository in git
...2.128 is the current IP of github.com which can be set in your local DNS (/etc/hosts in Linux and C:\Windows\System32\drivers\etc\hosts)
HTML Input=“file” Accept Attribute File Type (CSV)
...t;input type="file" accept="text/plain" />
For Image Files (.png/.jpg/etc), use:
<input type="file" accept="image/*" />
For HTML Files (.htm,.html), use:
<input type="file" accept="text/html" />
For Video Files (.avi, .mpg, .mpeg, .mp4), use:
<input type="file" accept="vi...