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How to use sed to replace only the first occurrence in a file?
...st line.
Or a simplified version (an empty RE like // means to re-use the one specified before it, so this is equivalent):
sed '0,/Apple/{s//Banana/}' input_filename
And the curly braces are optional for the s command, so this is also equivalent:
sed '0,/Apple/s//Banana/' input_filename
All o...
Hibernate Criteria returns children multiple times with FetchType.EAGER
...Order class that has a list of OrderTransactions and I mapped it with a one-to-many Hibernate mapping like so:
8 Answers...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
..._NOTIFY_EX_RANGE(这部分不理解，先放一放)
If you want more than one object in the notification routing to handle a message, you can use ON_NOTIFY_EX(or ON_NOTIFY_EX_RANGE) rather than ON_NOTIFY (or ON_NOTIFY_RANGE). The only difference between the EX version and the regular version is tha...
Rebasing a branch including all its children
...ommand output a star before the current branch, screwing up this script if one of the branches to rebase is currently checked out?
– Mark Lodato
Dec 20 '12 at 21:38
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Convert UTC Epoch to local date
... How about 1234567890. To convert that to a proper date in the local time zone:
var utcSeconds = 1234567890;
var d = new Date(0); // The 0 there is the key, which sets the date to the epoch
d.setUTCSeconds(utcSeconds);
d is now a date (in my time zone) set to Fri Feb 13 2009 18:31:30 GMT-0500 (ES...
Increment a database field by 1
... primary key is first, so I don't think you could achieve what you want in one query.
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Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
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Xavier, I've just installed your extension, and one thing that is missing is support for capturing find operations (such as F3 to find the next instance of text). This is very useful for operating on text which you can't get to using just the standard cursor moves. Is ther...
Type definition in object literal in TypeScript
... id: <number> null,
};
This is much better than having two parts (one to declare types, the second to declare defaults):
var callVerbose: {
hasStarted: boolean;
hasFinished: boolean;
id: number;
} = {
hasStarted: null,
hasFinished: null,
id: null,
};
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How to make overlay control above all other controls?
...hildren of a panel are rendered in the order they are specified (i.e. last one on top).
If you are looking to do something more complicated, you can look at how ChildWindow is implemented in Silverlight. It overlays a semitransparent background and popup over your entire RootVisual.
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Representing and solving a maze given an image
... it from the start. I prefer MATLAB for this task. As @Thomas already mentioned, there is no need to mess with regular representation of graphs. You can work with binarized image directly.
Here is the MATLAB code for BFS:
function path = solve_maze(img_file)
%% Init data
img = imread(img_file...