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Create empty file using python [duplicate]
...mknod("newfile.txt") (but it requires root privileges on OSX). The system call to create a file is actually open() with the O_CREAT flag. So no matter how, you'll always open the file.
So the easiest way to simply create a file without truncating it in case it exists is this:
open(x, 'a').close()
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How to check Oracle database for long running queries
...ime -- Time since current mode was granted
from
v$locked_object, all_objects, v$lock
where
v$locked_object.object_id = all_objects.object_id AND
v$lock.id1 = all_objects.object_id AND
v$lock.sid = v$locked_object.session_id
order by
session_id, ctime desc, object_name
/
This is a...
Instantiating a generic class in Java [duplicate]
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This is all great and all ... it certainly works. But ... if all we need is a new Bar instance (since <T> is <Bar>) then reflectively making a Bar instance with Class<Bar> token = Bar.class; and Bar newBar = token....
requestFeature() must be called before adding content
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Well, just do what the error message tells you.
Don't call setContentView() before requestFeature().
Note:
As said in comments, for both ActionBarSherlock and AppCompat library, it's necessary to call requestFeature() before super.onCreate()
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cscope or ctags why choose one over the other? [closed]
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ctags enables two features: allowing you to jump from function calls to their definitions, and omni completion. The first means that when you are over a call to a method, hitting g] or CTRL-] will jump to the place where that method is defined or implem...
Set database timeout in Entity Framework
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Jon Schneider
19.9k1616 gold badges120120 silver badges149149 bronze badges
answered Oct 8 '12 at 20:29
Leniel MaccaferriLeniel Maccaferri...
Attach a file from MemoryStream to a MailMessage in C#
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writer.Disopose() was too early for my solution but all the other is great example.
– Kazimierz Jawor
Aug 4 '15 at 13:10
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Check if value exists in Postgres array
...is works great. It has a side effect of automatic casting. Ex: SELECT 1::smallint = ANY ('{1,2,3}'::int[]) works. Just make sure to put ANY() on the right side of expression.
– Mike Starov
Jun 27 '12 at 23:52
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Best way to repeat a character in C#
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It may not be faster, but it can save on memory allocations (pressure) if you specify the correct capacity up front, and that can be as important as the micro benchmark of profiling this.
– wekempf
Apr 5 '16 at 13:03
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Increase font size chrome console
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Here's a pretty recent blog post on the subject.
Basically, override Default/User StyleSheets/Custom.css in your user directory with something like:
/* Keep .platform-mac to make the rule more specific than the general one above. */
body.platform-mac.platform-mac-snowleopard .m...