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Can you turn off Peek Definition in Visual Studio 2013 and up?
...efinition, I can't find any details on if this is possible. What I would really like is for the Ctrl + Click functionality to go back to opening the definition in its own tab, like in previous versions of VS. Is this possible?
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How to sort a dataFrame in python pandas by two or more columns?
...ign result of the sort method to a variable or add inplace=True to method call.
that is, if you want to reuse df1 as a sorted DataFrame:
df1 = df1.sort(['a', 'b'], ascending=[True, False])
or
df1.sort(['a', 'b'], ascending=[True, False], inplace=True)
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Is !important bad for performance?
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It shouldn't have any effect upon the performance really. Seeing firefox's CSS parser at /source/layout/style/nsCSSDataBlock.cpp#572 and I think that is the relevant routine, handling overwriting of CSS rules.
it just seems to be an simple check for "important".
if (aIsImp...
how to stop Javascript forEach? [duplicate]
...lution like this (github.com/nbouvrette/forEach) could help you and potentially solve even other headaches.
– Nicolas Bouvrette
Jun 13 '16 at 0:14
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How to configure git bash command line completion?
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On Linux
on most distributions, git completion script is installed into /etc/bash_completion.d/ (or /usr/share/bash-completion/completions/git) when you install git, no need to go to github. You just need to use it - add this line to your .bashrc:
source /etc/bash_completion.d/git
# o...
How to check a not-defined variable in JavaScript
...ue for things that don't exist, undefined. The DOM returns null for almost all cases where it fails to find some structure in the document, but in JavaScript itself undefined is the value used.
Second, no, there is not a direct equivalent. If you really want to check for specifically for null, do:
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Why are there two build.gradle files in an Android Studio project?
...a "Top-level build file" where you can add configuration options common to all sub-projects/modules.
If you use another module in your project, as a local library you would have another build.gradle file:
<PROJECT_ROOT>\module\build.gradle
For example in your top level file you can specify t...
Postgresql query between date ranges
...lts where a date is in certain month and year. In other words I would like all the values for a month-year.
5 Answers
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Switch on Enum in Java [duplicate]
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You actually can switch on enums, but you can't switch on Strings until Java 7. You might consider using polymorphic method dispatch with Java enums rather than an explicit switch. Note that enums are objects in Java, not just symbol...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
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In postgresql all foreign keys must reference a unique key in the parent table, so in your bar table you must have a unique (name) index.
See also http://www.postgresql.org/docs/9.1/static/ddl-constraints.html#DDL-CONSTRAINTS-FK and speci...