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How can a Java variable be different from itself?
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Batch file to copy files from one folder to another folder
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edited Jun 3 '14 at 20:04
answered Jun 12 '09 at 12:57
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Git Pull While Ignoring Local Changes?
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answered Nov 11 '10 at 17:25
CascabelCascabel
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Clear Application's Data Programmatically
... activity.getPackageManager().getActivityInfo(activity.getComponentName(), 0).processName;
for (ActivityManager.RunningAppProcessInfo proc : am.getRunningAppProcesses()) {
if (proc.processName.startsWith(myProcessPrefix) && !proc.processName.equals(myProcessName)) {
a...
IntelliJ IDEA generating serialVersionUID
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answered Oct 16 '12 at 10:17
Peter LawreyPeter Lawrey
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Multiline string literal in C#
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edited Apr 24 '19 at 10:17
Max Yankov
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Split output of command by columns using Bash?
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Why does DEBUG=False setting make my django Static Files Access fail?
...ted sneaking in the moment I wanted to render my own beautiful and custom 404.html and 500.html pages.
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How to check if a string contains only digits in Java [duplicate]
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Try
String regex = "[0-9]+";
or
String regex = "\\d+";
As per Java regular expressions, the + means "one or more times" and \d means "a digit".
Note: the "double backslash" is an escape sequence to get a single backslash - therefore, \\d i...
How do you delete a column by name in data.table?
...column foo from the data.table df3:
# Method 1 (and preferred as it takes 0.00s even on a 20GB data.table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A safe idiom for excluding (possibly multiple)
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