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Can you delete multiple branches in one command with Git?
...mmend though running first without the | xargs git branch -d part to check what's actually going to be deleted.
– mathielo
Jul 19 '18 at 14:32
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How to set -source 1.7 in Android Studio and Gradle
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Java 7 support was added at build tools 19. You can now use features like the diamond operator, multi-catch, try-with-resources, strings in switches, etc. Add the following to your build.gradle.
android {
compileSdkVersion 19
buildToolsVersion "19.0.0"
defaultConfig {
minSdkVe...
How to center a “position: absolute” element
I'm having a problem centering an element that has the attribute position set to absolute .
Does anyone know why the images are not centered?
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How to jump to a specific character in vim?
How can I jump to the next character X in vim?
4 Answers
4
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Numbering rows within groups in a data frame
...rary(dplyr)
df %>% group_by(cat) %>% mutate(id = row_number())
or (the most memory efficient, as it assigns by reference within DT):
library(data.table)
DT <- data.table(df)
DT[, id := seq_len(.N), by = cat]
DT[, id := rowid(cat)]
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Convert a list to a string in C#
...dString = string.Join( ",", myList.ToArray() );
You can replace "," with what you want to split the elements in the list by.
Edit: As mention in the comments you could also do
string combindedString = string.Join( ",", myList);
Reference:
Join<T>(String, IEnumerable<T>)
Concatena...
Are HTTPS URLs encrypted?
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@Pacerier: hacks date of course, but what I was talking about at the time was things like stackoverflow.com/questions/2394890/…. It was a big deal back in 2010 that these issues were being investigated and the attacks refined, but I'm not really following it a...
How to create a date and time picker in Android? [closed]
Is there any android widget that enable to pick the date and the time at the same time ?
I already use the basic time picker and date picker .
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Build Error - missing required architecture i386 in file
...build configuration, so I removed it in two places). Here is an example of what I deleted:
FRAMEWORK_SEARCH_PATHS = (
"$(inherited)",
"\"$(DEVELOPER_DIR)/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.1.sdk/System/Library/Frameworks\"",);
My project now build for both the iPhone device and ...
How can I make Array.Contains case-insensitive on a string array?
I am using the Array.Contains method on a string array. How can I make that case-insensitive?
4 Answers
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