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Does Internet Explorer support pushState and replaceState?
Does anybody know if Internet Explorer supports the history.pushState() and history.replaceState() methods for manipulating browser history ? Considering these are just being implemented in Firefox 4, I'm not holding my breath, but does anybody know if they're coming in IE9?
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Implement touch using Python?
...ication and access times of files to the current time of day. If the file doesn't exist, it is created with default permissions.
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PostgreSQL error: Fatal: role “username” does not exist
...odd setups with non-standard user names or where the operating system user does not exist. You'd need to adapt your strategy there.
Read about database roles and client authentication in the manual.
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What does the “__block” keyword mean?
What exactly does the __block keyword in Objective-C mean? I know it allows you to modify variables within blocks, but I'd like to know...
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Why does C++ need a separate header file?
...s, although there are other uses for header files.
The answer is that C++ doesn't "need" this. If you mark everything inline (which is automatic anyway for member functions defined in a class definition), then there is no need for the separation. You can just define everything in the header files.
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Which characters need to be escaped when using Bash?
...yte (except when it's empty). That's why both above sed commands assume it does not. You can add a quoted newline manually.
Note that shell variables are only defined for text in the POSIX sense. Processing binary data is not defined. For the implementations that matter, binary works with the excep...
Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
...m on shared hosting and have Cpanel, Apache, PHP is run by fastcgi. Where does PHP store the error log?
21 Answers
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Confused by python file mode “w+”
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what does "truncating to 0 bytes" mean?
– Nasif Imtiaz Ohi
Jan 5 '18 at 23:49
25
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What does GitHub for Windows' “sync” do?
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Sync does git pull --rebase and then if there are local changes, it does git push.
From here: http://haacked.com/archive/2012/05/21/introducing-github-for-windows.aspx#87318
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Why does !{}[true] evaluate to true in JavaScript?
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Because {}[true] does not return true, but undefined, and undefined is evaluated as false:
http://jsfiddle.net/67GEu/
'use strict';
var b = {}[true];
alert(b); // undefined
b = !{}[true];
alert(b); // true
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