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What is a magic number, and why is it bad? [closed]
...le, if you have (in Java):
public class Foo {
public void setPassword(String password) {
// don't do this
if (password.length() > 7) {
throw new InvalidArgumentException("password");
}
}
}
This should be refactored to:
public class Foo {
pu...
Android Dialog: Removing title bar
...on="4" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".splash"
android:label="@string/app_name" android:screenOrientation="portrait"
android:theme="@android:style/Theme.Light.NoTitleBar">
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Index (zero based) must be greater than or equal to zero
...
Your second String.Format uses {2} as a placeholder but you're only passing in one argument, so you should use {0} instead.
Change this:
String.Format("{2}", reader.GetString(0));
To this:
String.Format("{0}", reader.GetString(2));
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Replace a string in a file with nodejs
...
You could use simple regex:
var result = fileAsString.replace(/string to be replaced/g, 'replacement');
So...
var fs = require('fs')
fs.readFile(someFile, 'utf8', function (err,data) {
if (err) {
return console.log(err);
}
var result = data.replace(/string to...
Why does 2 == [2] in JavaScript?
... when evaluating 2 == [2] is basically this:
2 === Number([2].valueOf().toString())
where valueOf() for arrays returns the array itself and the string-representation of a one-element array is the string representation of the single element.
This also explains the third example as [[[[[[[2]]]]]]]...
MsDeploy is returning 403 forbidden
...vice from a remote machine. (If the correct ports and stuff are opened and all that jazz.)
I think this helps your situation. At least you won't get 403's but you may have some other MsDeploy error.
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Turning off some legends in a ggplot
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Note to self: if you have a geom_linerange() and the legend is showing a cross instead of a line, insert show.legend=FALSE inside the geom_linerange().
– PatrickT
Sep 30 '17 at 8:51
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Java split() method strips empty strings at the end? [duplicate]
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You can specify to apply the pattern as often as possible with:
String[] de = data.split(";", -1);
See the Javadoc for the split method taking two arguments for details.
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improve...
Regex to match any character including new lines
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Add the s modifier to your regex to cause . to match newlines:
$string =~ /(START)(.+?)(END)/s;
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The simplest way to comma-delimit a list?
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Java 8 and later
Using StringJoiner class :
StringJoiner joiner = new StringJoiner(",");
for (Item item : list) {
joiner.add(item.toString());
}
return joiner.toString();
Using Stream, and Collectors:
return list.stream().
map(Object...