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How to create a custom attribute in C#
I have tried lots of times but still I am not able to understand the usage of custom attributes (I have already gone through lots of links).
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How to drop a PostgreSQL database if there are active connections to it?
...s will drop existing connections except for yours:
Query pg_stat_activity and get the pid values you want to kill, then issue SELECT pg_terminate_backend(pid int) to them.
PostgreSQL 9.2 and above:
SELECT pg_terminate_backend(pg_stat_activity.pid)
FROM pg_stat_activity
WHERE pg_stat_activity.datn...
How do you echo a 4-digit Unicode character in Bash?
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Quick one-liner to convert UTF-8 characters into their 3-byte format:
var="$(echo -n '☠' | od -An -tx1)"; printf '\\x%s' ${var^^}; echo
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Have a reloadData for a UITableView animate when changing
...s. When we switch between the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks.
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How to check if object property exists with a variable holding the property name?
...with "in"' operator the left expression must be a string or value that can converts into a string. Yes, you cannot write 'length' in 'qqq' but you cannot write 'qqq'.hasOwnProperty('length') either
– Wachburn
Jul 21 '15 at 17:18
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Spring JPA selecting specific columns
... answered Feb 25 '14 at 7:43
DurandalDurandal
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Getting activity from context in android
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This is something that I have used successfully to convert Context to Activity when operating within the UI in fragments or custom views. It will unpack ContextWrapper recursively or return null if it fails.
public Activity getActivity(Context context)
{
if (context == n...
Xcode 6 Storyboard the wrong size?
... retained, and all other data will be removed. In addition, segues will be converted to their non-adaptive equivalents."
final keyword in method parameters [duplicate]
...nt to anything else, the caller of the function never loses its reference, and continues to point to the same object.
– Armand
Feb 20 '14 at 18:19
14
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How does RegexOptions.Compiled work?
...tion (LCG). This compilation happens during the construction of the object and heavily slows it down. In turn, matches using the regular expression are faster.
If you do not specify this flag, your regular expression is considered "interpreted".
Take this example:
public static void TimeAction(st...