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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
... was not with my app's configuration, but with Google.
Reason: Google was blocking access from unknown location (app in production)
Solution: Go to http://www.google.com/accounts/DisplayUnlockCaptcha and click continue (this will grant access for 10 minutes for registering new apps).
After this my...
iOS Detect 3G or WiFi
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I made a pretty simple block based Reachability wrapper that strips all the outdated C-like Reachability code, poured into a much more Cocoa form.
Usage like:
[EPPZReachability reachHost:hostNameOrIPaddress
completition:^(EPPZReach...
When & why to use delegates? [duplicate]
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Delegates are extremely useful when wanting to declare a block of code that you want to pass around. For example when using a generic retry mechanism.
Pseudo:
function Retry(Delegate func, int numberOfTimes)
try
{
func.Invoke();
}
catch { if(numberOfTimes b...
How to disable all div content
...eAttr('disabled');
}
}
Disable And Enable Input Elements In A Div Block Using jQuery should help you!
As of jQuery 1.6, you should use .prop instead of .attr for disabling.
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MySQL Query to select data from last week?
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You can make your calculation in php and then add it to your query:
$date = date('Y-m-d H:i:s',time()-(7*86400)); // 7 days ago
$sql = "SELECT * FROM table WHERE date <='$date' ";
now this will give the date for a week ago
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Remove stubborn underline from link
...r, and not the entire anchor. you need to make the inner element an inline-block like so: .boxhead .otherPage { display: inline-block; color: #FFFFFF; text-decoration: none; }
– Patrick Denny
Oct 30 '19 at 18:28
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Difference between global and device functions
...bal functions (kernels) launched by the host code using <<< no_of_blocks , no_of threads_per_block>>>.
Each thread executes the kernel by its unique thread id.
However, __device__ functions cannot be called from host code.if you need to do it use both __host__ __device__.
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How do I parse command line arguments in Bash?
...d.sh -e conf -s /etc -l /usr/lib /etc/hosts
output from copy-pasting the block above:
FILE EXTENSION = conf
SEARCH PATH = /etc
LIBRARY PATH = /usr/lib
DEFAULT =
Number files in SEARCH PATH with EXTENSION: 14
Last line of file specified as non-opt/last argument:
#93.184.216.34 e...
How to get a tab character?
...arsers and collapsed into a single space except those within a <pre> block, where literal tabs will be rendered as 8 spaces in a monospace font.
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How to save/restore serializable object to/from file?
... No need to call the close method on a reader within your using block. Dispose() is implicit and will take place even if an exception is raised within the block before the explicit Close(). Very useful block of code.
– S. Brentson
Jul 24 '16 at 7:05
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