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Check if an array is empty or exists
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if (typeof image_array !== 'undefined' && image_array.length > 0) {
// the array is defined and has at least one element
}
Your problem may be happening due to a mix of implicit global variables and variable hoisting. Make sure you use var whenever declaring a variable:
<?php e...
Entity framework code-first null foreign key
...l do?
– Shawn Mclean
Apr 14 '11 at 20:11
34
Virtual is necessary for lazy loading.
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Eclipse: Can you format code on save?
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205
Under Preferences, choose Java --> Editor --> Save Actions. Check the Perform the select...
Question mark and colon in JavaScript
...f the ? as "then" and : as "else".
Your code is equivalent to
if (max != 0)
hsb.s = 255 * delta / max;
else
hsb.s = 0;
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Difference between Select Unique and Select Distinct
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answered Dec 3 '08 at 8:00
Bill KarwinBill Karwin
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Custom HTTP Authorization Header
...ed authorization scheme would look like
Authorization: FIRE-TOKEN apikey="0PN5J17HBGZHT7JJ3X82", hash="frJIUN8DYpKDtOLCwo//yllqDzg="
Where FIRE-TOKEN is the scheme and the two key-value pairs are the auth parameters. Though I believe the quotes are optional (from Apendix B of p7-auth-19)...
auth...
How to change the default collation of a table?
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601
To change the default character set and collation of a table including those of existing column...
Print new output on same line [duplicate]
...gt;>> for i in range(1, 11):
... print(i, end='')
...
12345678910>>>
Note that you'll have to print() the final newline yourself. BTW, you won't get "12345678910" in Python 2 with the trailing comma, you'll get 1 2 3 4 5 6 7 8 9 10 instead.
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
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80
The base SDK is what you build your app against (i.e. include and library files and frameworks)....
Difference between int32, int, int32_t, int8 and int8_t
...rry Coffin
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