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Echo a blank (empty) line to the console from a Windows batch file [duplicate]
... @MatteoItalia, It's nothing to do with speed. If it's doing something extra (search first for a file named echo without extension) then it's wrong and if there's a file as such, it'll indeed fail. Extra points if the batchjob fails on a weekend while everyone is partying hard half-a-country awa...
Is Java “pass-by-reference” or “pass-by-value”?
... easily confuse many beginners.
It goes like this:
public static void main(String[] args) {
Dog aDog = new Dog("Max");
Dog oldDog = aDog;
// we pass the object to foo
foo(aDog);
// aDog variable is still pointing to the "Max" dog when foo(...) returns
aDog.getName().equals("...
Convert string to symbol-able in ruby
...
Rails got ActiveSupport::CoreExtensions::String::Inflections module that provides such methods. They're all worth looking at. For your example:
'Book Author Title'.parameterize.underscore.to_sym # :book_author_title
...
Get real path from URI, Android KitKat new storage access framework [duplicate]
...on the SD card situation).
To get document id:
// Will return "image:x*"
String wholeID = DocumentsContract.getDocumentId(uriThatYouCurrentlyHave);
// Split at colon, use second item in the array
String id = wholeID.split(":")[1];
String[] column = { MediaStore.Images.Media.DATA };
// wher...
How do you get the footer to stay at the bottom of a Web page?
...ooter screws it, but figured out that that can be fixed by subtracting the extra padding on the footer from the {footer, push} height.
– nicooga
Oct 20 '12 at 7:13
...
How to transfer some data to another Fragment?
... serialVersionUID = -2163051469151804394L;
private int id;
private String created;
}
In you FromFragment:
Bundle args = new Bundle();
args.putSerializable(TAG_MY_CLASS, myClass);
Fragment toFragment = new ToFragment();
toFragment.setArguments(args);
getFragmentManager()
.beginTransact...
What's the use of ob_start() in php?
...PHP with a lot of HTML but not render it. It saves me from storing it as a string which disables IDE color-coding.
<?php
ob_start();
?>
<div>
<span>text</span>
<a href="#">link</a>
</div>
<?php
$content = ob_get_clean();
?>
Instead of:
<...
How to dynamically load a Python class
Given a string of a Python class, e.g. my_package.my_module.MyClass , what is the best possible way to load it?
10 Answers...
How to download image from url
...rl), @"c:\temp\image35.png");
}
These methods are almost same as DownloadString(..) and DownloadStringAsync(...). They store the file in Directory rather than in C# string and no need of Format extension in URi
If You don't know the Format(.png, .jpeg etc) of Image
public void SaveImage(string f...
Sending mail from Python using SMTP
...NAME, PASSWORD)
try:
conn.sendmail(sender, destination, msg.as_string())
finally:
conn.quit()
except:
sys.exit( "mail failed; %s" % "CUSTOM_ERROR" ) # give an error message
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