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How do I revert master branch to a tag in git?
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You can do
git checkout master
git reset --hard tag_ABC
git push --force origin master
Please note that this will overwrite existing history in the upstream repo and may cause problems for other developers who have this repo c...
How to replace a single word under cursor?
...s the previous word and puts you in insert mode where it was. But then you can use ctrl+r, 0 to insert the contents of register 0 (which contain the previously yanked word).
So:
yiw
[move to next word]
ciw
ctrl+r
0
This works better than viwp because after the first usage you can then repeatedl...
Why are there two build.gradle files in an Android Studio project?
....
<PROJECT_ROOT>\build.gradle is 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 ...
Postgresql query between date ranges
...ogin_date >= '2014-02-01'
AND login_date < '2014-03-01'
In this case you still need to calculate the start date of the month you need, but that should be straight forward in any number of ways.
The end date is also simplified; just add exactly one month. No messing about with 28th, 30th...
How do I unset an element in an array in javascript?
...plice i.e.
myArray.splice(key, 1);
For someone in Steven's position you can try something like this:
for (var key in myArray) {
if (key == 'bar') {
myArray.splice(key, 1);
}
}
or
for (var key in myArray) {
if (myArray[key] == 'bar') {
myArray.splice(key, 1);
}
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How to declare a friend assembly?
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You need to sign both assemblies, because effectively both assemblies reference each other.
You have to put the public key in the InternalsVisibleTo attribute. For example, in Protocol Buffers I use:
[assembly:InternalsVisibleTo("Google.ProtocolBuffers.Test,P...
How can you escape the @ character in javadoc?
How can I escape the @ symbol in javadoc? I am trying to use it inside a {@code} tag, which is inside <pre> tags.
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Haskell error parse error on input `='
...ion i have) doesn't have the let in its examples
– Micah
Jul 19 '12 at 21:48
43
"Learn you Haskel...
What is & used for
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HTML doesn't recognize the & but it will recognize &amp; because it is equal to & in HTML
I looked over this post someone had made: http://www.webmasterworld.com/forum21/8851.htm
share
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How to get CSS to select ID that begins with a string (not in Javascript)?
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[id^=product]
^= indicates "starts with". Conversely, $= indicates "ends with".
The symbols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.
See the specs for full information.
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