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How can a Javascript object refer to values in itself? [duplicate]
...gh, won't let you define another value for key2.
So, the things become a bit more complicated if you would like to also redefine the value of key2. It will always be a calculated value. Most likely that's what you want.
However, if you would like to be able to redefine the value of key2, then you...
Call a “local” function within module.exports from another function in module.exports?
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@NamNguyen Calling exports.foo() seems a little bit awkward and hard to read.
– Afshin Mehrabani
Jul 19 '14 at 12:20
4
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Numpy first occurrence of value greater than existing value
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The results are correct, but I find the explanation a bit suspicious. argmax does not seem to stop at the first True. (This can be tested by creating boolean arrays with a single True at different positions.) The speed is probably explained by the fact that argmax does not need ...
How do I search an SQL Server database for a string?
...ROCEDURE FindMyData_String
@DataToFind NVARCHAR(4000),
@ExactMatch BIT = 0
AS
SET NOCOUNT ON
DECLARE @Temp TABLE(RowId INT IDENTITY(1,1), SchemaName sysname, TableName sysname, ColumnName SysName, DataType VARCHAR(100), DataFound BIT)
INSERT INTO @Temp(TableName,SchemaName, ColumnName...
How to make an array of arrays in Java
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A bit more complicated than String[ ][ ], but permits more operations such as concatenating data. However, your solution does not ensure the size of the data, which can be a problem.
– Benj
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Sequelize.js: how to use migrations and sync
...ng the same. Writing all migrations manually when the app can do that is a bit stupid, so im gonna just make a manual script that runs the app once and runs the sync function.
– Sallar
Jun 15 '16 at 17:38
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Can I have multiple Xcode versions installed?
...e. It's a ball-ache, but seems to work.
This shell script simplifies it a bit…
xcode-version.sh
cd /Applications
if [[ $1 = "-8" ]]
then
if [ -e Xcode_8.app ]
then
mv Xcode.app Xcode_7.app
mv Xcode_8.app Xcode.app
echo "Switched to Xcode 8"
el...
How do I replace NA values with zeros in an R dataframe?
...ent in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 2
3 1 1 6 3 6 NA 1 4 1 6
4 NA 4 NA 7 10 2 NA 4 ...
Tree data structure in C#
...ded. An Extensive Examination of Data Structures Using C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern to solve the issues presented in the article.
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How can I store my users' passwords safely?
...random salt and store that salt along with the user record. It makes it a bit more expensive to check the password (since you need to look up the salt before you can generate the MD5 signature) but it makes it much more difficult for an attacker to pre-generate MD5's.
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