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asynchronous vs non-blocking
...socket is one that simply returns immediately with a special "would block" error message, whereas a blocking socket would have blocked. You have to use a separate function such as select or poll to find out when is a good time to retry.
But asynchronous sockets (as supported by Windows sockets), or...
How to search by key=>value in a multidimensional array in PHP
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@JohnKugelman Wont the "efficient" answer error out if $key does not exist in the array? Wouldnt it be better to do if (array_key_exists($key, $array) && $array[$key] == $value) {?
– Chase
Feb 3 '14 at 21:04
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Integrating MySQL with Python in Windows
... I installed python 2.7 x64 but while importing MySQLdb I'm getting 'ImportError: No module named _mysql_windows.api' error. pls anyone help me to solve this issue.
– Vilva
Aug 3 '12 at 12:15
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Get index of element as child relative to parent
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None of the code snippets on my answer produce that error - you can press "Run code snippet" to see them working. If you're getting that error, you're using different code - it sounds like you're using jQuery, but my answer is showing how to accomplish this sort of thing witho...
Swift native base class or NSObject
...example, where we don't base on NSObject, the compiler correctly spots the error in testIncorrect_CompilerShouldSpot,
reporting "... 'MyClass' is not convertible to 'MirrorDisposition'"
class MyClass {
let mString = "Test"
func getAsString() -> String {
return mString
}
func testIn...
git rebase fatal: Needed a single revision
...e origin on a test repository (where origin has a HEAD) and I get the OP's error. The documentation for rebase doesn't say that a remote name is valid for the <upstream>.
– CB Bailey
Jan 25 '11 at 20:21
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Rails update_attributes without save?
..., :is_admin => true }) # Raises an ActiveModel::MassAssignmentSecurity::Error
user.assign_attributes({ :name => 'Bob'})
user.name # => "Bob"
user.is_admin? # => false
user.new_record? # => true
share...
How to print colored text in Python?
...e end string at the end.
CRED = '\033[91m'
CEND = '\033[0m'
print(CRED + "Error, does not compute!" + CEND)
This produces the following in bash, in urxvt with a Zenburn-style color scheme:
Through experimentation, we can get more colors:
Note: \33[5m and \33[6m are blinking.
This way we ca...
How do I write the 'cd' command in a makefile?
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@Beta: well yes, and a dash prefix ignores the error status as well. Maybe I got a little carried away, I wanted to point out the fact that make does echos the command, regardless of what kind of command it is. And in this case, it's a command with no output, which makes ...
Changing MongoDB data store directory
...your solution but when I am restarting the application it giving following error - 2019-11-18T18:58:45.215+1100 I STORAGE [initandlisten] exception in initAndListen: 28596 Unable to determine status of lock file in the data directory /var/lib/mongo: boost::filesystem::status: Permission denied: "/v...