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How can I get useful error messages in PHP?
...is page in the PHP documentation for information on the 2 directives: error_reporting and display_errors. display_errors is probably the one you want to change. If you can't modify the php.ini, you can also add the following lines to an .htaccess file:
php_flag display_errors on
php_value e...
Getting “unixtime” in Java
... platforms (and the year 2038 problem). 64-bit platforms use a larger time_t data type. Java dodged that bullet by using a long as the return for System.currentTimeMillis(). If you convert to int, you're re-introducing the year 2038 problem. See en.wikipedia.org/wiki/Year_2038_problem#Solutions
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Can you attach Amazon EBS to multiple instances?
...ble to get an EBS volume attached to more than one instance, it would be a _REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage...
Install NPM into home directory with distribution nodejs package (Ubuntu)
... up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES"
Set NPM to use this directory for its global package installs:
$ echo "prefix = $NPM_PACKAGES" >> ~/.npmrc
Configure your PATH and MANPATH to see commands i...
Nullable Foreign Key bad practice?
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source__destination_link or SourceDestination
– Svisstack
Jan 20 '12 at 23:33
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Could not load file or assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0
...stall it, and restart visual studio.
PS: You may need install DB2OLEDBV5_x64.msi or DB2OLEDBV5_x86.msi too.
Problem: (Sql server 2012) This issue happens when assembly Microsoft.SqlServer.management.sdk.sfc version 11.0.0.0 not found by visual studio.
Solution: just go to http://www.microsoft.c...
How to change context root of a dynamic web project in Eclipse?
...nswered Mar 13 '10 at 7:11
Csaba_HCsaba_H
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How to call a Python function from Node.js
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Easiest way I know of is to use "child_process" package which comes packaged with node.
Then you can do something like:
const spawn = require("child_process").spawn;
const pythonProcess = spawn('python',["path/to/script.py", arg1, arg2, ...]);
Then all you ha...
What's the advantage of a Java enum versus a class with public static final fields?
...d this 4.5 yrs ago, and at least a few people found it provided new info ¯_(ツ)_/¯
– Dave Newton
Jul 9 '17 at 17:09
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Objective-C: difference between id and void *
...tructures, this can be a critical difference. Declaring iVars like void *_superPrivateDoNotTouch; will cause premature reaping of objects if _superPrivateDoNotTouch is actually an object. Don't do that.
attempting to invoke a method on a reference of void * type will barf up a compiler warning.
a...