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How to drop a database with Mongoose?
...lutions is they rely on restarting your application if you want to get the indexes working again.
For my needs (i.e. being able to run a unit test the nukes all collections, then recreates them along with their indexes), I ended up implementing this solution:
This relies on the underscore.js and a...
Paste multiple columns together
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@roschu Either will work. Indexing a data.frame with a single character vector will be a column indexing, despite the first argument usually being the row index.
– Brian Diggs
Feb 15 '15 at 2:16
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How do you use the “WITH” clause in MySQL?
...it in their release branch. Apparently they "showed off" this "feature" at PHPCONFERENCE2010 in London. This comment on that bug report is telling. [7 Oct 2008 19:57] Stuart Friedberg: "Valeriy, you guys must have an unbelieveable backlog. Thirty three months between filing a request and getting a ...
Iterating through a list in reverse order in java
...nt for doing so is that the for loop is much cleaner than keeping track of indexes, or using an explicit iterator.
15 Answe...
How can I get the application's path in a .NET console application?
... @SamGoldberg: That depend on how it is used: stackoverflow.com/q/1068420/391656 . Or you can ... new Uri(System.Reflection.Assembly.GetExecutingAssembly().CodeBase).LocalPath
– Mr.Mindor
Aug 30 '12 at 21:31
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
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@jDub9 You cannot query an index. You can query the mask and group columns, in one query, and it will use that index for faster processing (if you are lucky), but you cannot simply query an index.
– Dalibor Filus
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reducing number of plot ticks
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Only select first 3 datetime index. when get ax from pandas.DataFrame.plot ax = df.plot()
– Mithril
Nov 1 '19 at 2:27
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C# Java HashMap equivalent
...p.put(key, value)
MyObject value = myMap.get(key)
C#'s Dictionary uses [] indexing for setting/getting items
myDictionary[key] = value
MyObject value = myDictionary[key]
null keys
Java's HashMap allows null keys
.NET's Dictionary throws an ArgumentNullException if you try to add a null key
A...
Rename column SQL Server 2008
...From the documentation:
sp_rename automatically renames the associated index whenever a PRIMARY KEY or UNIQUE constraint is renamed. If a renamed index is tied to a PRIMARY KEY constraint, the PRIMARY KEY constraint is also automatically renamed by sp_rename. sp_rename can be used to rename prim...
Get current directory name (without full path) in a Bash script
... # (consider a directory named -e or -n)
printf '%q\n' "${PWD##*/}" # to print to stdout, quoted for use as shell input
# ...useful to make hidden characters readable.
Note that if you're applying this technique in other circumstances (not PWD,...