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What's the difference between “Normal Reload”, “Hard Reload”, and ...
...oad, looking for "304 Not Modified" responses. If the browser can avoid re-downloading cached JavaScript files, images, text files, etc. then it will.
Hard reload
Don't use anything in the cache when making the request. (which is equal to SHIFT+F5 No need to open Developer console) Force the browse...
how does array[100] = {0} set the entire array to 0?
How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it?
4 Answers
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Using Regular Expressions to Extract a Value in Java
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Don't forget to reuse Patter object. Compiling of patter take huge amount of time.
– Rastislav Komara
Oct 26 '08 at 11:32
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Can't connect to local MySQL server through socket '/tmp/mysql.sock
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sudo /usr/local/mysql/support-files/mysql.server start
This worked for me. However, if this doesnt work then make sure that mysqld is running and try connecting.
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Pandas: drop a level from a multi-level column index?
...d: >>> df.index = df.index.droplevel(1)
– Idodo
Nov 28 '18 at 12:13
7
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Node.js: what is ENOSPC error and how to solve?
...elow command to avoid ENOSPC:
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
Then execute:
sysctl --system
This will also persist across reboo...
Design Patterns: Abstract Factory vs Factory Method
...r than the Static Factory. When new types are added the base Product class does not need to be changed only the Simple Factory Class)
Factory Method
Contains one method to produce one type of product related to its type. (It is better than a Simple Factory because the type is deferred to a sub-c...
SQL WHERE ID IN (id1, id2, …, idn)
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Option 1 is the only good solution.
Why?
Option 2 does the same but you repeat the column name lots of times; additionally the SQL engine doesn't immediately know that you want to check if the value is one of the values in a fixed list. However, a good SQL engine could optim...
JavaScript code to stop form submission
... true;
}
</script>
In case of Chrome 27.0.1453.116 m if above code does not work, please set the event handler's parameter's returnValue field to false to get it to work.
Thanks Sam for sharing information.
EDIT :
Thanks to Vikram for his workaround for if validateMyForm() returns false:...
“This project is incompatible with the current version of Visual Studio”
...using VS 2012 and trying to load a project written in VS 2013 , And there doesn't seem to be a way of doing that for some reason..
– eran otzap
Jan 26 '15 at 6:33
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