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How often does python flush to a file?
...ional buffering argument specifies the file’s desired buffer size:"
0 means unbuffered,
1 means line buffered,
any other positive value means use a buffer of (approximately) that size.
A negative buffering means to use the system default, which is usually line buffered for tty devices and fu...
Get checkbox value in jQuery
...o with the property of the checkbox, they are checking the attribute which means they are testing the initial state of the checkbox when it was loaded. So in short:
When you have the element and you know it is a checkbox you can simply read its property and you won't need jQuery for that (i.e. elem...
MySQL ON DUPLICATE KEY - last insert id?
...tml
At the bottom of the page they explain how you can make LAST_INSERT_ID meaningful for updates by passing an expression to that MySQL function.
From the MySQL documentation example:
If a table contains an AUTO_INCREMENT column and INSERT ... UPDATE inserts a row, the LAST_INSERT_ID() functio...
Foreign Key to non-primary key
... track of the same room, and a soft-delete field, like RM_Status, where 99 means 'deleted', and <> 99 means 'active'.
So when you create the first room, you insert RM_UID and RM_ApertureID as the same value as RM_UID.
Then, when you terminate the room to a date, and re-establish it with a n...
Javascript : natural sort of alphanumerical strings
...e'. Tested in Chrome, Firefox, and IE11.
Here's an example. It returns 1, meaning 10 goes after 2:
'10'.localeCompare('2', undefined, {numeric: true, sensitivity: 'base'})
For performance when sorting large numbers of strings, the article says:
When comparing large numbers of strings, such ...
How to save an activity state using save instance state?
...le, so a new instance must be created. This is the fundamental problem; it means one cannot rely on existence of bundle, and must do some alternative means of persistent storage. The benefit of onSave/onRestoreInstanceState is that it is a mechanism the system can do abruptly, without consuming much...
Insert into a MySQL table or update if exists
...) single row? Anyone else had this result? (The data is updated correctly: meaning only 1 row is updated)
– Dimitry K
Feb 20 '14 at 15:17
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Accessing Session Using ASP.NET Web API
...sion State
Access to ASP.NET session state
is exclusive per session, which means that if two different users make
concurrent requests, access to each separate session is granted
concurrently. However, if two concurrent requests are made for the
same session (by using the same SessionID value), the f...
jQuery access input hidden value
...hidden#foo').val());
alert($('input:hidden[name=zyx]').val());
Those all mean the same thing in this example.
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Set selected option of select box
... is a very mildly edited version of Darin's demo, for an example of what I mean.
– Kenny Evitt
Aug 19 '14 at 17:51
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