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Best data type for storing currency values in a MySQL database
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My benefit was this.. I needed all my table rows to equal a particular amount of money. Let's say that amount is $10.00. As new rows get added each row amount changes. If there are 3 rows in the table. 10 / 3 = 3.3333333333... but with only 2 decimals they are st...
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
...ean up into the onPause activity. Check out the Activity Lifecycle diagram/table on this page for more info.
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Why should I capitalize my SQL keywords? [duplicate]
...nk the latter is more readable. You can easily separate the keywords from table and column names, etc.
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CSS selector for text input fields?
...cause it is specified that default attribute values may not always be selectable with attribute selectors, one could try to cover other cases of markup for which text inputs are rendered:
input:not([type]), // type attribute not present in markup
input[type=""], // type attribute present, but empty...
How to check if there exists a process with a given pid in Python?
...ef pid_exists(pid):
"""Check whether pid exists in the current process table.
UNIX only.
"""
if pid < 0:
return False
if pid == 0:
# According to "man 2 kill" PID 0 refers to every process
# in the process group of the calling process.
# On cert...
How can I trigger a JavaScript event click
... ".click() does not work with Android" Actually, the latest table says "Compatibility unknown".
– Gaurang Tandon
Jun 30 '18 at 13:52
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What's the false operator in C# good for?
...er that nullity could be checked explicitly.
Comparing to SQL, imagine a table Table with 3 rows with value Foo set to true, 3 rows with value Foo set to false and 3 rows with value Foo set to null.
SELECT COUNT(*) FROM Table WHERE Foo = TRUE OR Foo = FALSE
6
In order to count all rows you'd ha...
How do I horizontally center a span element inside a div
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another option would be to give the span display:table; and center it via margin:0 auto;
span {
display:table;
margin:0 auto;
}
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Query for array elements inside JSON type
... json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Elements order in a “for (… in …)” loop
Does the "for…in" loop in Javascript loop through the hashtables/elements in the order they are declared? Is there a browser which doesn't do it in order?
The object I wish to use will be declared once and will never be modified.
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