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How do I determine if a port is open on a Windows server? [closed]
...r_port"
to narrow down the results. You can also filter for LISTENING, ESTABLISHED, TCP and such. Mind it's case-sensitive though.
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Type-juggling and (strict) greater/lesser-than comparisons in PHP
...en' > 'King' > 'Jack' > 'Ace'
Also check out PHP type comparison tables covering pairs:
isset() and is_null()
if() and empty()
boolean == vs. ===
Check the differences between PHP versions live at. http://3v4l.org/MAfDu.
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How can I programmatically get the MAC address of an iphone
.../ Request network subsystem
mgmtInfoBase[1] = AF_ROUTE; // Routing table info
mgmtInfoBase[2] = 0;
mgmtInfoBase[3] = AF_LINK; // Request link layer information
mgmtInfoBase[4] = NET_RT_IFLIST; // Request all configured interfaces
// With all configured interfac...
Rails 3 datatypes?
...numbers.
primary_key - unique key that can uniquely identify each row in a table
string - is for small data types such as a title. (Should you choose string or text?)
text - is for longer pieces of textual data, such as a paragraph of information.
time - is for time only
timestamp - for storing dat...
Inserting HTML elements with JavaScript
...echnique is the fact that you are prevented from dynamically creating some table elements.
I use a form to templating by adding "template" elements to a hidden DIV and then using cloneNode(true) to create a clone and appending it as required. Bear in ind that you do need to ensure you re-assign id'...
Daylight saving time and time zone best practices [closed]
...se location for systematic date-time conversion (say .NET culture or a SQL table) but provide a way for end-user to choose overrides if date-time is critical for your users.
If there are historical audit obligations involved (like telling exactly when Jo in AZ paid a bill 2 yrs ago in September) th...
Status bar and navigation bar appear over my view's bounds in iOS 7
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Also note that when your main view is a UITableView the viewDidLayoutSubviews will get called on each scroll. Your UITableView will be scaled down until its height is 15px. Add a flag to only run this code once. ;)
– Thomas Johannesmeyer
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What is the source code of the “this” module doing?
...e(26):
d[chr(i+c)] = chr((i+13) % 26 + c)
Builds the translation table, for both uppercase (this is what 65 is for) and lowercase (this is what 97 is for) chars.
print "".join([d.get(c, c) for c in s])
Prints the translated string.
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Giving UIView rounded corners
...corners in any sort of scroll view or animation (I tried using them in a UITableView) you performance will suffer greatly. Nice smooth scrolling table view quickly become choppy :(
– Slee
Jun 2 '11 at 17:49
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How do I return rows with a specific value first?
I want my query to return the rows of the table where a column contains a specific value first, and then return the rest of the rows alphabetized.
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