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Get all column names of a DataTable into string array using (LINQ/Predicate)
... a new question and include details of your code. But essentially: A DataGrid is not the same as a DataTable.
– Daniel Hilgarth
May 17 '13 at 8:08
3
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Understanding keystore, certificates and alias
...unique alias. In brief:
Keystore entry = private + public key
pair = identified by an alias
The keystore protects each private key with its individual password, and also protects the integrity of the entire keystore with a (possibly different) password.
For instance, when you sign an Androi...
How to pass an ArrayList to a varargs method parameter?
...ength array for no reason.)
Here's a complete example:
public static void method(String... strs) {
for (String s : strs)
System.out.println(s);
}
...
List<String> strs = new ArrayList<String>();
strs.add("hello");
strs.add("wordld");
method(strs.toArray(...
Escape single quote character for use in an SQLite query
...
Also, consider using bound parameters if the host language supports them (most do, but the SQLite shell doesn't). The SQL would then be INSERT INTO table_name (field1, field2) VALUES (?, ?) and the values would be supplied directly (an...
SQL multiple column ordering
... here how to order either column1 or column2?
– PoliDev
Jun 18 '13 at 8:47
@PoliDev, It first orders by column1 in D...
git -> show list of files changed in recent commits in a specific directory
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
What to do with branch after merge
...lly, git will warn you (and refuse to delete the branch) if it thinks you didn't fully merge it yet. If you forcefully delete a branch (with git branch -D) which is not completely merged yet, you have to do some tricks to get the unmerged commits back though (see below).
There are some reasons to k...
What is the difference between ~> and >= when specifying rubygem in Gemfile?
...sion constraint. RubyGems will increment the last digit in the version provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think about it is that you're okay with the last digit incrementin...
How to move one word left in the vi editor
....
It brings you to the last letter of the word on the left. When b is considered as the opposite of w, ge can be considered as the opposite of e which brings you to the end of the current word.
Also note that all of those word-wise movement have a WORD-wise equivalent: W, B, E and gE which are "fa...
How do ports work with IPv6?
...
They're the same, aren't they? Now I'm losing confidence in myself but I really thought IPv6 was just an addressing change. TCP and UDP are still addressed as they are under IPv4.
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