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bash HISTSIZE vs. HISTFILESIZE?
...to save in a history list. The text of the last HISTSIZE commands
(default 500) is saved. (...)
On startup, the history is initialized from the file named by the variable HISTFILE (default ~/.bash_history). The file named by
the value of HISTFILE is
truncated, if necessary, ...
Ruby on Rails: How do I add placeholder text to a f.text_field?
...ext to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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Pandas convert dataframe to array of tuples
...', 'data_2']]
tuples = [tuple(x) for x in subset.to_numpy()]
for pandas < 0.24 use
tuples = [tuple(x) for x in subset.values]
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Hidden Features of Visual Studio (2005-2010)?
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Make a selection with ALT pressed - selects a square of text instead of whole lines.
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answered Sep 19 '08 at 8:35
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CocoaPods and GitHub forks
... @AaronBrager it's showing "Unable to find a specification for '<pod name>' " do you know how to resolve it?
– Susim Samanta
Mar 15 '18 at 1:50
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SET versus SELECT when assigning variables?
...CT is not.
SET can only assign one variable at a time, SELECT can make multiple assignments at once.
If assigning from a query, SET can only assign a scalar value. If the query returns multiple values/rows then SET will raise an error. SELECT will assign one of the values to the variable and hid...
javac is not recognized as an internal or external command, operable program or batch file [closed]
...on:
C:\>:: DON'T DO THIS EITHER
C:\>set PATH=C:\Program Files\Java\<enter the correct Java folder here>\bin;%PATH%
But it is just a bad idea in general.
Find the Java path
The right way begins with finding where you have installed Java. This depends on how you have installed Java.
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Round a double to 2 decimal places [duplicate]
...is
public static double round(double value, int places) {
if (places < 0) throw new IllegalArgumentException();
long factor = (long) Math.pow(10, places);
value = value * factor;
long tmp = Math.round(value);
return (double) tmp / factor;
}
This breaks down badly in corner...
How to mock ConfigurationManager.AppSettings with moq
...s "normal". Untested, but something like: var configurationMock = new Mock<IConfiguration>(); and for the setup: configurationMock.SetupGet(s => s.User).Returns("This is what the user property returns!");
– Joshua Enfield
Oct 27 '16 at 17:07
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Git submodule head 'reference is not a tree' error
...) by using -b with the checkout command again. Example:
git checkout -b <new_branch_name>
HEAD is now at 5d5a3ee... quux
$ cd ..
Since we are checking out a commit, this produces a detached HEAD in the submodule. If you want to make sure that the submodule is using a branch, then use git c...