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How to lay out Views in RelativeLayout programmatically?
I'm trying to achieve the following programmatically (rather than declaratively via XML):
9 Answers
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SQLite - increase value by a certain number
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Sample 1 (for all rows):
UPDATE Products SET Price = Price + 50
Sample 2 (for a specific row):
UPDATE Products SET Price = Price + 50 WHERE ProductID = 1
Sample 3 (generic):
UPDATE {Table} SET {Column} = {Column} + {Value} WHERE {Co...
IEnumerable to string [duplicate]
... across this before, but I have now and am surprised that I can't find a really easy way to convert an IEnumerable<char> to a string .
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Client-server synchronization pattern / algorithm?
...t there must be client-server synchronization patterns out there. But i totally failed to google up one.
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Collisions when generating UUIDs in JavaScript?
...rom Math.random(). For some browsers the entropy is as low as just 41 bits all together. Calling Math.random() multiple times won't raise the entropy. If you really want unique v4 UUIDs you need to use a cryptographically strong RNG that produces at least 122bit entropy per UUID generated.
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Are +0 and -0 the same?
...thmetic, −0 = +0 = 0. However, in computing, some number representations allow for the existence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero). This occurs in some signed number representations for integers, and in most floating point number representations. The number...
How to get milliseconds from LocalDateTime in Java 8
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Sure, if all you need is seconds, not milliseconds.
– Stuart Marks
May 30 '14 at 17:23
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How to check a not-defined variable in JavaScript
...ue for things that don't exist, undefined. The DOM returns null for almost all cases where it fails to find some structure in the document, but in JavaScript itself undefined is the value used.
Second, no, there is not a direct equivalent. If you really want to check for specifically for null, do:
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How can I open a cmd window in a specific location?
... can I open a cmd window in a specific location without having to navigate all the way to the directory I want?
40 Answers
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What is the largest TCP/IP network port number allowable for IPv4?
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@JessieArr in both those cases it's not really a 65536 issue, it's an issue of A)programs not releasing connections, leaving them in a "WAIT" state that netstat shows combined with B)some earlier windows versions only going from 1024-5000 for dynamic ports.And even t...