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Why doesn't indexOf work on an array IE8?
...an array for more reasons for that..like getting your results in the right order across browsers. Using for..in on an array will only cause issues, it's not just a convention..it's unintended usage and an incorrect one. The order and keys are both not completely specified, they're implementation d...
How to shrink/purge ibdata1 file in MySQL
...r server to use separate files for each table you need to change my.cnf in order to enable this:
[mysqld]
innodb_file_per_table=1
http://dev.mysql.com/doc/refman/5.5/en/innodb-multiple-tablespaces.html
As you want to reclaim the space from ibdata1 you actually have to delete the file:
Do a mys...
How do cache lines work?
...,5% of its time (if it only reads memory) idle waiting for the memory.
In order to speed things up there is the L1, L2, L3 caches. They use memory being directly placed on the chip and using a different kind of transistor circuits to store the given bits. This takes more room, more energy and is mo...
python generator “send” function purpose?
...cipe
Let us have a recipe, which expects predefined set of inputs in some order.
We may:
create a watched_attempt instance from the recipe
let it get some inputs
with each input return information about what is currently in the pot
with each input check, that the input is the expected one (and f...
Find an element in DOM based on an attribute value
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in order to concretize the "modern" definition: caniuse.com/#search=querySelectorAll
– serhio
Mar 31 '15 at 16:23
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What's the difference between ASCII and Unicode?
... UTF-7, widely ignored.
An issue with the UTF-16/32 encodings is that the order of the bytes will depend on the endian-ness of the machine that created the text stream. So add to the mix UTF-16BE, UTF-16LE, UTF-32BE and UTF-32LE.
Having these different encoding choices brings back the code page d...
What is a JavaBean exactly?
...tance of the application, or even on a whole other machine!
Of course, in order to do that, the class has to abide by certain limitations. Chief among them is that all instance fields must be either primitive types (int, bool, etc), instances of some class that is also serializable, or marked as t...
What is a good reason to use SQL views?
...most useful when you always need
to join the same set of tables say an
Order with an Order Detail to get
summary calculation fields etc.
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How to get index using LINQ? [duplicate]
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An IEnumerable is not an ordered set.
Although most IEnumerables are ordered, some (such as Dictionary or HashSet) are not.
Therefore, LINQ does not have an IndexOf method.
However, you can write one yourself:
///<summary>Finds the index of ...
Difference between natural join and inner join
...ls, etc. SQL doesn't treat tables as relations because it relies on column ordering etc.
The idea behind NATURAL JOIN in SQL is to make it easier to be more faithful to the relational model. The result of the NATURAL JOIN of two tables will have columns de-duplicated by name, hence no anonymous col...