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Cron jobs and random times, within given hours
...ashscript:
#!/bin/bash
maxdelay=$((14*60)) # 14 hours from 9am to 11pm, converted to minutes
for ((i=1; i<=20; i++)); do
delay=$(($RANDOM%maxdelay)) # pick an independent random delay for each of the 20 runs
(sleep $((delay*60)); /path/to/phpscript.php) & # background a subshell to...
Search stops working for “Entire Solution”
...ing, for example Windows notepad, and monitor messages (I suggest that you select only keyboard messages). Press Ctrl+Break, releasing Ctrl first. Check the output from Spy++. You will see the sequence I shown in Details section.
I have tried two different keyboards on the same computer. Logitech K...
Using C# reflection to call a constructor
...ot working" isn't nearly enough information. I've told you how to go about converting it mechanically - another alternative would be to make sure you understand the C# code and then make sure you know the VB syntax for constructing an array. Without wishing to be mean, if that's too much of a challe...
Razor View Engine : An expression tree may not contain a dynamic operation
...s was my problem. If you're not watching carefully, Visual Studio tends to convert what you're typing into the capital "M". It's really irritating.
– RobbieE
Jan 24 '17 at 12:43
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Incrementing a date in JavaScript
...
The easiest way is to convert to milliseconds and add 1000*60*60*24 milliseconds e.g.:
var tomorrow = new Date(today.getTime()+1000*60*60*24);
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Generate array of all letters and digits
...1.8 and 1.9
or
(0...36).map{ |i| i.to_s 36 }
(the Integer#to_s method converts a number to a string representing it in a desired numeral system)
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What is InnoDB and MyISAM in MySQL?
... INSERT statement can be executed to add rows to the end of the table with select at same time if there are no holes/deleted rows in middle of table (at time of concurrent insert).
The default isolation level og mysql InnoDB is "Read Repeatable". For MyISAM, there is no transaction. InnoDB uses row...
Error - Unable to access the IIS metabase
... as
Administrator". You can do this by right clicking the shortcut and
selecting "Run as Administrator".
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Database Structure for Tree Data Structure
...t:
https://blogs.msdn.microsoft.com/mvpawardprogram/2012/06/25/hierarchies-convert-adjacency-list-to-nested-sets
There are other models as well, including materialized path and nested sets:
http://communities.bmc.com/communities/docs/DOC-9902
Joe Celko has written a book on this subject, which is ...
Inspect attached event handlers for any DOM element
...ilt in part to FireBug (Extension for FireFox) for events when HTML tag is selected.
– Musa Haidari
Jul 16 '14 at 10:00
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