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How to set up tmux so that it starts up with specified windows opened?
...ex windows, with the select-pane -t 1 where 1 is the number of the pane in order created starting with 0.
tmux new-session \; \
send-keys 'tail -f /var/log/monitor.log' C-m \; \
split-window -v \; \
split-window -h \; \
send-keys 'top' C-m \; \
select-pane -t 1 \; \
split-window -v \; \...
How to create an HTML button that acts like a link?
... Seems a little overkill for styling a single button, no? With border, padding, background, and other CSS effects you can style buttons and links to look similar without bringing over an entire framework. The methodology Bootstrap uses is good, however using Bootstrap seems excessive.
...
Possible to iterate backwards through a foreach?
...rrect method for this task. Plus, for as much as foreach is implemented in-order, the construct itself is built for expressing loops that are independent of element indexes and iteration order, which is particularly important in parallel programming. It is my opinion that iteration relying on order ...
Get DateTime.Now with milliseconds precision
...re about the exact timing - you just want to show the samples in the right order, with "pretty good" accuracy, then the system clock should be fine. I'd advise you to use DateTime.UtcNow rather than DateTime.Now though, to avoid time zone issues around daylight saving transitions, etc.
If your ques...
Execution of Python code with -m option or not
...ty issue (see: preload attack). This behavior is similar to library search order in Windows (before it had been hardened recently). It's a pity that Python does not follow the trend and does not offer a simple way to disable adding . to sys.path
Well, this demonstrates the possible issue - (in win...
I can’t find the Android keytool
... Linux users have an easier time with this so I won't address them.
So in order to use mapviews in your Android apps, Google wants to check in with them so you can sign off on an Android Maps APIs Terms Of Service agreement. I think they don't want you to make any turn-by-turn GPS apps to compete w...
PHP exec() vs system() vs passthru()
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How to select the nth row in a SQL database table?
...dard windowing functions:
SELECT * FROM (
SELECT
ROW_NUMBER() OVER (ORDER BY key ASC) AS rownumber,
columns
FROM tablename
) AS foo
WHERE rownumber <= n
(which I just copied from the site linked above since I never use those DBs)
Update: As of PostgreSQL 8.4 the standard windowing...
Fastest way to check if string contains only digits
... testing (always profile because the results depend on hardware, versions, order, etc.):
static bool isDigitsFr(string s) { if (s == null || s == "") return false; for (int i = 0; i < s.Length; i++) if (s[i] < '0' || s[i] > '9') return false; return true; }
static bool isDigitsFu(string s)...
Html helper for
...
Improved version of Paulius Zaliaduonis' answer:
In order to make the validation work properly I had to change the Model to:
public class ViewModel
{
public HttpPostedFileBase File { get; set; }
[Required(ErrorMessage="A header image is required"), FileExtensio...