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How to repeat last command in python interpreter shell?
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In IDLE, go to Options -> Configure IDLE -> Keys and there select history-next and then history-previous to change the keys.
Then click on Get New Keys for Selection and you are ready to choose whatever key combination you want.
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...t; 1; };
var fnVal = function (v, c) { return v; };
return myUtils.select(h, fnSel, fnVal);
}
};
This assumes that each and filter are defined for arrays, and that we have two utility methods:
myUtils.keys(hash): returns an
array with the keys of the hash
myUtils.select(hash, fnSelect...
I cannot start SQL Server browser
...ve Tools->Services, and look for the SQL Server Agent. Right-click, and select Properties From the Startup Type dropdown, change from Disabled to Automatic.
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Postgres dump of only parts of tables for a dev snapshot
...r larger tables you can use the COPY command to pull out subsets...
COPY (SELECT * FROM mytable WHERE ...) TO '/tmp/myfile.tsv'
COPY mytable FROM 'myfile.tsv'
https://www.postgresql.org/docs/current/static/sql-copy.html
You should consider maintaining a set of development data rather than just ...
Javascript: How to loop through ALL DOM elements on a page?
... // Do something with the element here
}
Note that you could use querySelectorAll(), if it's available (IE9+, CSS in IE8), to just find elements with a particular class.
if (document.querySelectorAll)
var clsElements = document.querySelectorAll(".mySpeshalClass");
else
// loop through a...
jQuery: $().click(fn) vs. $().bind('click',fn);
...mouseup,mousemove,mouseover,mouseout,mouseenter,mouseleave," +
"change,select,submit,keydown,keypress,keyup,error").split(","), function(i, name){
// Handle event binding
jQuery.fn[name] = function(fn){
return fn ? this.bind(name, fn) : this.trigger(name);
};
});
So no, th...
Xcode 6 iPhone Simulator Application Support location
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in the top bar select: Product -> Archive -> and then Export the Archive as a Mac Application without re-signing (the last option) you will get a .app file which you can put in your Application folder like a normal application...
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How do I find a specific table in my EDMX model quickly?
...designer:
Go to the Properties tab:
In the dropdown box at the top, select your table. You should then see it highlighted in the designer.
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How do I interactively unstage a particular hunk in git?
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@Nawaz: That's correct - git add -p filename selectively stages changes from that file, and git reset -p filename selectively unstages changes. There's also git checkout -p -- filename, which lets you selectively discard changes from a file. Warning: each of add and res...
解决：ORA-00054:资源正忙,要求指定NOWAIT - 数据库(内核) - 清泛网 - 专注...
...删除
1：找出所有被锁的对象，定位出哪个回话占用
select l.session_id,o.owner,o.object_name from v$locked_object l,dba_objects o where l.object_id=o.object_id
结果：
session_id owner object_name
158 SA TEST_1
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对比想要创建的索引，定位哪些会话需要...