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.prop() vs .attr()
... of the layer of magic jQuery stuck in front of attributes and properties, meaning jQuery developers will have to learn a bit about the difference between properties and attributes. This is a good thing.
If you're a jQuery developer and are confused by this whole business about properties and attr...
Create or write/append in text file
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i mean the situation of what if the two users login in different browser. then the php will open the file on the two browser on the same time and update it on the same time also. will there be a problem?\
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is of a type that is invalid for use as a key column in an index
...g is that a varchar will take 4 bytes to determine the length of the item, meaning the actual limit needs to be varchar(896). Is this correct?
– mrmillsy
May 15 '14 at 11:31
2
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Backbone.js: `extend` undefined?
...in the wrong order, first load underscore (guess that is what 'dependency' means :)
Further Clarification just in case this isn't obvious. The order that things are loaded in JavaScript relates to the order the show up on the page. To load underscore first, be sure that the script tag including...
What are “sugar”, “desugar” terms in context of Java 8?
...ut 'sugaring' and 'desugaring' more often in Java 8, what does these terms mean ? are they conceptual or syntactical.
4 Ans...
Change name of iPhone app in Xcode 4
...e them over).
(EDIT:) One more important note. Renaming your bundle will mean that the App Bundle Identifier you registered with Apple Provisioning Portal will no longer work for that app. You will need to generate a new App ID and Provisioning Profile in order to distribute your app to a physica...
Removing all non-numeric characters from string in Python
...join(c for c in "abc123def456" if c.isdigit())
'123456'
The ''.join part means to combine all the resulting characters together without any characters in between. Then the rest of it is a list comprehension, where (as you can probably guess) we only take the parts of the string that match the con...
IIS AppPoolIdentity and file system write access permissions
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Thats right, which means the AppPool user's folder wouldn't get created if it wasnt true right? This is why they built it this way.....to prevent IIs from accessing and storing junk in windows/temp and all over the hard drive instead of a manag...
What is the documents directory (NSDocumentDirectory)?
... only (on a non-jailbroken device) runs in a "sandboxed" environment. This means that it can only access files and directories within its own contents. For example Documents and Library.
See the iOS Application Programming Guide.
To access the Documents directory of your applications sandbox, you ...
Getting the IP address of the current machine using Java
...rtual network devices, private network IP addresses, and so on.
What this means is that the IP address returned by InetAddress.getLocalHost() might not be the right one to use.
How can you deal with this?
One approach is to use NetworkInterface.getNetworkInterfaces() to get all of the known netw...