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OrderBy descending in Lambda expression?
...so:
reportingNameGroups = reportingNameGroups.OrderBy(x=> - x.GroupNodeId);
However this works a little bit different than OrderByDescending when you have are running it on an int? or double? or decimal? fields.
What will happen is on OrderByDescending the nulls will be at the end, vs with th...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...员的意愿，这与“少”带给人惊奇的原则（the principle of least astonishment）完全背道而驰。这是很不好的，你应该尽量避免这样做。
如果你希望以一种特殊的方式来排序对象，那么最好创建一个特殊的函数子类，它的名字不能是le...
How to debug PDO database queries?
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Great explanation - thanks. Apparently I had only fuzzy ideas of how this works. I suppose when the statement is prepared, the resulting object contains a hash or numerical ID that can be sent back to the database with the parameters to plug in.
– Nathan Long...
How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...ut the bookmark of course, if you look up the pre-rebase origin/foo commit ID, and use that.
This is also how you deal with the situation where you forgot to make a bookmark before fetching. Nothing is lost – you just need to check the reflog for the remote branch:
git reflog show origin/foo | a...
How to concatenate strings with padding in sqlite
...o such function: printf Unable to execute statement select printf('%s.%s', id, url ) from mytable limit 7. My version is 3.8.2 2014-12-06. What version are you using?
– Berry Tsakala
Nov 2 '14 at 15:10
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Why were pandas merges in python faster than data.table merges in R in 2012?
... merge in mind. Two aspects to that: i) multi column ordered keys such as (id,datetime) ii) fast prevailing join (roll=TRUE) a.k.a. last observation carried forward.
I'll need some time to confirm as it's the first I've seen of the comparison to data.table as presented.
UPDATE from data.table v1...
Font Awesome icon inside text input element
I am trying to insert a user icon inside username input field.
22 Answers
22
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Enable SQL Server Broker taking too long
...sabled, then query sys.databases, for instance:
SELECT
name, database_id, is_broker_enabled
FROM sys.databases
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How do you create a toggle button?
... });
});
a {
background: #ccc;
cursor: pointer;
border-top: solid 2px #eaeaea;
border-left: solid 2px #eaeaea;
border-bottom: solid 2px #777;
border-right: solid 2px #777;
padding: 5px 5px;
}
a.down {
background: #bbb;
border-top: solid 2px #777;
border-left: sol...
How to get the last N rows of a pandas DataFrame?
...dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') :
3 Answers
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