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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...done
In this example, I am assuming that all your image files contain the string IMG and you want to replace IMG with VACATION.
The shell automatically evaluates *.jpg to all the matching files.
The second argument of mv (the new name of the file) is the output of the sed command that replaces IMG ...
jQuery’s .bind() vs. .on()
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printing "jQuery.fn.bind.toString()" outputs "function (a,b,c){return this.on(a,null,b,c)}"
– Jowen
Jun 30 '14 at 10:14
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How to transform array to comma separated words string? [duplicate]
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You're looking for implode()
$string = implode(",", $array);
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BLE UUID是对的但连接闪退：java.lang.IllegalArgumentException: UUID str...
...ZygoteInit.java:1013)
Caused by: java.lang.IllegalArgumentException: UUID string too large
at java.util.UUID.fromStringJava11(UUID.java:238)
at java.util.UUID.fromString(UUID.java:226)
at edu.mit.appinventor.ble.BluetoothLEGattAttributes.<clinit>(BluetoothLEGattAttributes.java:33)
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ie8 var w= window.open() - “Message: Invalid argument.”
... The MSDN documentation page you linked to states "Optional. String that specifies the name of the window. ", that sounds to me like you should be able to any keyword besides the the arguments you listed above.
– James McMahon
Dec 13 '11 at 19:36
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iOS 7 sizeWithAttributes: replacement for sizeWithFont:constrainedToSize
...NSFontAttributeName: [UIFont fontWithName:@"HelveticaNeue" size:14]};
// NSString class method: boundingRectWithSize:options:attributes:context is
// available only on ios7.0 sdk.
CGRect rect = [textToMeasure boundingRectWithSize:CGSizeMake(width, CGFLOAT_MAX)
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Given a number, find the next higher number which has the exact same set of digits as the original n
...e '4'
Proof of correctness:
Let's use capital letters to define digit-strings and lower-case for digits. The syntax AB means "the concatenation of strings A and B". < is lexicographical ordering, which is the same as integer ordering when the digit-strings are of equal length.
Our original...
How to color System.out.println output? [duplicate]
...llowing will NOT color output in JavaScript in the Web Console
console.log(String.fromCharCode(27) + "[36mCYAN");
console.log("\x1b[30;47mBLACK_ON_WHITE");
Note that \x1b also works in node
In Shell Prompt OR Scripts
If you are working with bash or zsh, it is quite easy to color the output (i...
What happens when a duplicate key is put into a HashMap?
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So if you don't assign the returned value when calling mymap.put("1", "a string"), it just becomes unreferenced and thus eligible for garbage collection.
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How do you match only valid roman numerals with a regular expression?
...tched by IX
Just keep in mind that that regex will also match an empty string. If you don't want this (and your regex engine is modern enough), you can use positive look-behind and look-ahead:
(?<=^)M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})(?=$)
(the other alternative being to...