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Is it safe to assume a GUID will always be unique?
I know there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
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Open directory dialog
...t unfortunately the dialog requires file(s) to be selected - it stays open if I simply click OK without choosing one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. Has anyone see...
How to retrieve the current value of an oracle sequence without increment it?
...ll_sequences and dba_sequences.
These views work across sessions.
EDIT:
If the sequence is in your default schema then:
SELECT last_number
FROM user_sequences
WHERE sequence_name = '<sequence_name>';
If you want all the metadata then:
SELECT *
FROM user_sequences
WHERE sequence_na...
C# Iterating through an enum? (Indexing a System.Array)
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You probably want to cast the second "val" to an int, if you want to troubleshoot value mismatch as in Enum.GetName(typeof(MyEnum), val), (int)val) in which the output provides the enumeration name and number.
– Greg
Jul 15 '13 at 20:14
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How to ignore whitespace in a regular expression subject string?
...en searching for matches using a regular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and end index of the match (including any whitespace) in order to highlight...
Get all child views inside LinearLayout at once
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@hai-nguyen: You can use if (v instanceof TextView) {...} for that.
– Anoop
Apr 4 '14 at 10:54
3
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WPF User Control Parent
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Still returns null. It's as if the control just has no parent.
– donniefitz2
Nov 20 '08 at 16:16
2
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How to change position of Toast in Android?
...rom the documentation,
Positioning your Toast
A standard toast notification appears near the bottom of the screen,
centered horizontally. You can change this position with the
setGravity(int, int, int) method. This accepts three parameters: a
Gravity constant, an x-position offset, an...
Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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How to run eclipse in clean mode? what happens if we do so?
If something is not working properly or some plug-ins are not loaded properly in my Eclipse I often get suggestion to open Eclipse in clean mode.
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