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How to remove constraints from my MySQL table?
...I got to solve with this code:
ALTER TABLE `table_name` DROP FOREIGN KEY `id_name_fk`;
ALTER TABLE `table_name` DROP INDEX `id_name_fk`;
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
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does it pass w3c validation, or should it be multiple="multiple"?
– vol7ron
Jun 4 '12 at 18:59
10
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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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Infinite Recursion with Jackson JSON and Hibernate JPA issue
...s for perfect answer. Btw, I came with another solution: you can simply avoid creating getter for this value, so Spring won't be able to access it while creating JSON (but I don't think that it suits every case, so your answer is better)
– Semyon Danilov
Feb 28...
JSON serialization of Google App Engine models
...rt datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}
for key, prop in model.properties().iteritems():
value = getattr(model, key)
if value is None or isinstance(value, SIMPLE_TYPES):
output[key...
Select all 'tr' except the first one
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ideal solution but not supported in IE
tr:not(:first-child) {css}
second solution would be to style all tr's and then override with css for first-child:
tr {css}
tr:first-child {override css above}
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Calculate difference between two datetimes in MySQL
...imilar kind of functionality. For example there is one table say REQUESTS (id, message, timestamp). timestamp while storing will be NOW() . while i run a query, select * from requests, instead of displaying that value it should display id, message and how much time back request was posted.
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How to check for an undefined or null variable in JavaScript?
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And also note that typeof returns a string. So var myVar; typeof(myVar)==undefined returns false not true.
– rism
Nov 28 '15 at 7:57
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Provisioning Profiles menu item missing from Xcode 5
...appened. I restarted the computer, tried some things, but I really have no idea what I could do. How can I fix this problem?
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Could not open a connection to your authentication agent
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Did You Start ssh-agent?
You might need to start ssh-agent before you run the ssh-add command:
eval `ssh-agent -s`
ssh-add
Note that this will start the agent for msysgit Bash on Windows. If you're using a different shell ...