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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...ALTER COLUMN ... TYPE ... USING:
ALTER TABLE the_table ALTER COLUMN col_name TYPE integer USING (col_name::integer);
Note that you may have whitespace in your text fields; in that case, use:
ALTER TABLE the_table ALTER COLUMN col_name TYPE integer USING (trim(col_name)::integer);
to strip whit...
Bootstrap close responsive menu “on click”
...
I've got it to work with animation!
Menu in html:
<div id="nav-main" class="nav-collapse collapse">
<ul class="nav">
<li>
<a href='#somewhere'>Somewhere</a>
</li>
</ul>
</di...
Git error: “Host Key Verification Failed” when connecting to remote repository
...sh:// prefix on your clone URL. Using SSH, every host has a key. Clients remember the host key associated with a particular address and refuse to connect if a host key appears to change. This prevents man in the middle attacks.
The host key for domain.com has changed. If this does not seem fishy to...
Backbone.js get and set nested object attribute
...fine, it's a bit problematic because then you might be tempted to do the same type of thing for set, i.e.
this.model.get("obj1").myAttribute1 = true;
But if you do this, you won't get the benefits of Backbone models for myAttribute1, like change events or validation.
A better solution would be t...
Unresolved reference issue in PyCharm
...t as you have done is indeed one way of doing this, but there is a simpler method, and that is by simply telling pycharm that you want to add the src folder as a source root, and then adding the sources root to your python path.
This way, you don't have to hard code things into your interpreter's s...
Using Git with an existing Xcode project
...ve the repository set up correctly under organizer, but the Source Control menu is grayed out.
Apparently, it's easy to do if you start a new project, but how do I import an existing project with snapshots and everything?
...
How to replace a string in multiple files in linux command line
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This doesn't seem to work for me if the string has whitespaces or special characters in it. Any idea why that might be, or do I need to escape them some how? Thanks!
– Matthew Herbst
Aug 6 '14 at 17:54
...
How can I add additional PHP versions to MAMP
...t seems MAMP is only allowing 2 versions of PHP to show up. Quick fix, rename the folders you're not bothered about using, for me this meant adding an "X" to my /Applications/MAMP/bin/php/php5.4.10_X folder. Now 5.2.17 and 5.3.20 show up in the mamp prefs.
Done!
Edit - if the PHP version you requi...
Get div height with plain JavaScript
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var clientHeight = document.getElementById('myDiv').clientHeight;
or
var offsetHeight = document.getElementById('myDiv').offsetHeight;
clientHeight includes padding.
offsetHeight includes padding, scrollBar and borders.
...
MySQL, Check if a column exists in a table with SQL
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This works well for me.
SHOW COLUMNS FROM `table` LIKE 'fieldname';
With PHP it would be something like...
$result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'");
$exists = (mysql_num_rows($result))?TRUE:FALSE;
...