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Trim spaces from end of a NSString
...swer here: https://stackoverflow.com/a/5691567/251012
- (NSString *)stringByTrimmingTrailingCharactersInSet:(NSCharacterSet *)characterSet {
NSRange rangeOfLastWantedCharacter = [self rangeOfCharacterFromSet:[characterSet invertedSet]
...
Integrate ZXing in Android Studio
...
From version 4.x, only Android SDK 24+ is supported by default, and androidx is required.
Add the following to your build.gradle file:
repositories {
jcenter()
}
dependencies {
implementation 'com.journeyapps:zxing-android-embedded:4.1.0'
implementation 'android...
git push to specific branch
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Typical .gitignore file for an Android app
...uration file (sdk path, etc)
local.properties
# Proguard folder generated by Eclipse
proguard/
# Log Files
*.log
# Android Studio Navigation editor temp files
.navigation/
# Android Studio captures folder
captures/
# IntelliJ
*.iml
.idea/workspace.xml
.idea/tasks.xml
.idea/gradle.xml
.idea/asse...
Is it possible to run selenium (Firefox) web driver without a GUI?
...vfb :99 -ac &
export DISPLAY=:99
#you are now having an X display by Xvfb
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How do you pass arguments to define_method?
...ar.new
a.foo :one, 'two', :three, 4, 5 do
'six'
end
Update
Ruby 2.0 introduced double splat ** (two stars) which (I quote) does:
Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
...and of course you c...
Sprintf equivalent in Java
....
There is a third solution consisting of just adding the char to ret one by one (char are numbers that add to each other!) such as in:
...
ret += HexChars.charAt((int) ((v >> 12) & 0x0f)));
ret += HexChars.charAt((int) ((v >> 8) & 0x0f)));
...
...but that'd be really ugly....
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...o; DDL causes an implicit commit
Oracle Database 11g Release 2 and above - by default, no, but an alternative called edition-based redefinition exists
Older versions of Oracle - no; DDL causes an implicit commit
SQL Server - yes
Sybase Adaptive Server - yes
DB2 - yes
Informix - yes
Firebird (Interba...
In VIM, how do I break one really long line into multiple lines?
... breaks on window size or 79 depending on which comes first.
:set tw=80
By setting format options to include text width vim will automatically break at the tw setting.
:set fo+=t
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How to export table as CSV with headings on Postgresql?
...
this version is by far the best as the COPY command requires admin access
– Matthew O'Riordan
Nov 17 '12 at 12:51
2
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