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How to generate serial version UID in Intellij
...lizable class without 'serialVersionUID' - set flag and click 'OK'.
(For Macs, Settings is under IntelliJ IDEA -> Preferences...)
Now, if your class implements Serializable, you will see highlight and alt+Enter on class name will propose to generate private static final long serialVersionUID....
Jackson JSON custom serialization for certain fields
...by simply creating following class:
public class Views
{
static class Android{};
static class IOS{};
static class Web{};
}
Annotated model class with views:
public class Demo
{
public Demo()
{
}
@JsonView(Views.IOS.class)
private String iosField;
@JsonView(Views.Andro...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...$JAVA_HOME/jre/lib/security/cacerts
enter PW: changeit (Can be changeme on Mac)
Import your .crt file
CMD-Line:
keytool -importcert -file jetty.crt -alias jetty -keystore $JAVA_HOME/jre/lib/security/cacerts
enter PW: changeit (Can be changeme on Mac)
...
Validating URL in Java
...
Use the android.webkit.URLUtil on android:
URLUtil.isValidUrl(URL_STRING);
Note: It is just checking the initial scheme of URL, not that the entire URL is valid.
...
how to solve “ruby installation is missing psych” error?
...is installed prior to the steps above:
sudo apt-get install libtool
For macOS users (with homebrew):
rm -rf /usr/local/lib/ruby/gems/ && brew reinstall ruby
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Get yesterday's date in bash on Linux, DST-safe
...
date under Mac OSX is slightly different.
For yesterday
date -v-1d +%F
For Last week
date -v-1w +%F
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...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
...se trying to solve this. None of the posted answers worked for me. Im on a Mac (Mojave Version 10.14.6, Xcode Version 11.3).
It turns out the ruby file headers were missing so i had to run open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
That didnt work for ...
How do you copy and paste into Git Bash
...
Fuuuuuu, I am on mac running windows, I don't have INSERT
– kevin
Jun 24 '13 at 15:58
37
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TimePicker Dialog from clicking EditText
...or is 'Cannot resolve constructor 'TimePickerDialog(com.appname.classname, android.app.TimePickerDialog.OnTimeSetListener, int, int)' '
– Mark O'Sullivan
Jul 27 '13 at 20:18
2
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Sublime Text 2 multiple line edit
...
Highlight the lines and use:
Windows: Ctrl+Shift+L
Mac: Cmd ⌘+Shift+L
You can then move the cursor to your heart's content and edit all lines at once.
It's also called "Split into Lines" in the "Selection" menu.
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