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How do I delete all untracked files from my working directory in Mercurial?
Is it possible to delete all untracked files from my working directory? Let's say I added a bunch of files to my working directory, didn't add them via 'hg add' and now want to get rid of those new files entirely?
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Python setup.py develop vs install
Two options in setup.py develop and install are confusing me. According to this site , using develop creates a special link to site-packages directory.
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How to declare a variable in a PostgreSQL query
... set session my.vars.id = '1'; to set session my.user.id = '1'; will yield ERROR: syntax error at or near "user"
– dominik
Jul 9 '17 at 19:13
2
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How can I rename a field for all documents in MongoDB?
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The embedding option is not working... I get this error "cannot use the part (address of address.city) to traverse the element"
– Huzaifa Saifuddin
Apr 18 '18 at 14:08
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How to check for an undefined or null variable in JavaScript?
...e between cases:
Variables can be undefined or undeclared. You'll get an error if you access an undeclared variable in any context other than typeof.
if(typeof someUndeclaredVar == whatever) // works
if(someUndeclaredVar) // throws error
A variable that has been declared but not initialized is...
The relationship could not be changed because one or more of the foreign-key properties is non-nulla
I am getting this error when I GetById() on an entity and then set the collection of child entities to my new list which comes from the MVC view.
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“unary operator expected” error in Bash if condition
...d" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has lots of other nice features, including regular expression matching.
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Saving image from PHP URL
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Turn on error_reporting(E_ALL|E_STRICT) and check the return value of file_get_contents(), then you should get a reasonable error message.
– soulmerge
Apr 7 '09 at 7:12
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What are Flask Blueprints, exactly?
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edited Jun 4 at 8:05
answered Oct 12 '19 at 15:51
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Byte order mark screws up file reading in Java
...e> to use system default encoding.
* @throws IOException If an I/O error occurs.
*/
public UnicodeReader(InputStream in, String defaultEncoding) throws IOException {
byte bom[] = new byte[BOM_SIZE];
String encoding;
int unread;
PushbackInputStream pus...