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Checking if a variable is not nil and not zero in ruby
... I find this perfectly readable, and I would prefer it over a new class. Well done.
– colincr
Jan 16 '18 at 15:23
...
Error when changing to master branch: my local changes would be overwritten by checkout
...n one branch should stay on that branch until I checkout it again. Hint to newcomers who think that way too: use git stash :)
– Jacek Dziurdzikowski
Nov 22 '18 at 23:03
...
There is already an open DataReader associated with this Command which must be closed first
...m account in context.Accounts
from guranteer in account.Gurantors
select new AccountsReport
{
CreditRegistryId = account.CreditRegistryId,
AccountNumber = account.AccountNo,
DateOpened = account.DateOpened,
};
return accounts.AsEnumerable()
.Select((account, index) =&g...
Calculate RSA key fingerprint
...he SHA256 fingerprint of your SSH key (-l means "list" instead of create a new key, -f means "filename"):
$ ssh-keygen -lf /path/to/ssh/key
So for example, on my machine the command I ran was (using RSA public key):
$ ssh-keygen -lf ~/.ssh/id_rsa.pub
2048 00:11:22:33:44:55:66:77:88:99:aa:bb:cc:d...
Convert a Scala list to a tuple?
...
@davips as with any new data type you'd have to define how map etc works for it
– Tom Crockett
Sep 17 '14 at 20:11
1
...
Toggle button using two image on different state
... image button I toggle the imageview.
holder.imgitem.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
if(!onclick){
mSparseBooleanArray.put((Integer) view.getTag(), true);
holder.imgoverlay.setImageResource(R...
Greedy vs. Reluctant vs. Possessive Quantifiers
...)
A .*+ will consume as much as possible, and will not backtrack to find new matches when the regex as a whole fails to find a match. Because the possessive form does not perform backtracking, you probably won't see many uses with .*+, but rather with character classes or similar restrictions: acc...
Why are Oracle table/column/index names limited to 30 characters?
...ort this by allowing 30 characters is a bit cheeky. You don't support the new standard, you still support the old standard (albeit 25% of the way to the new standard) Did that make sense?!!?
– cagcowboy
Sep 4 '09 at 10:37
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How to clone all remote branches in Git?
...ntal set up to track remote branch experimental from origin.
Switched to a new branch 'experimental'
That last line throws some people: "New branch" - huh?
What it really means is that the branch is taken from the index and created locally for you. The previous line is actually more informative as...
How to send a PUT/DELETE request in jQuery?
...you can use:
$.put('http://stackoverflow.com/posts/22786755/edit', {text:'new text'}, function(result){
console.log(result);
})
copy from here
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