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git pull while not in a git directory
... the command below while my cwd is /tmp updates that repo, but the updated file appears in /tmp instead of the working tree /tmp/ggg2:
GIT_DIR=/tmp/ggg2/.git git pull
See also this answer to a similar question, which demonstrates the --git-dir and --work-tree flags.
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Code formatting shortcuts in Android Studio for Operation Systems
...g)
You can also use Eclipse shortcuts.
Windows and Linux: Go to menu File → Settings → Keymap
macOS: Go to menu Preferences → Keymap and choose Eclipse from the drop-down menu.
Using MenuBar
Select code which you want to reformat
Click on Code in the menu bar and select Reformat Code...
What is a None value?
...nt(F), you see
>>> print(F)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'F' is not defined
and that NameError means Python doesn't recognize the name F, because there is no such sticker. If Briggs were right and F = None resets F ...
good example of Javadoc [closed]
is there a good example of a source file containing Javadoc ?
11 Answers
11
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How do I specify “close existing connections” in sql script
... Using your approach I found the sql server doesn't remove the mdf and ldf files. Set single_user works fine to me (I need to constantly recreate the db).
– 2xMax
Mar 15 '13 at 13:48
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How to modify memory contents using GDB?
...GDB: assignment):
(gdb) l
6 {
7 int i;
8 struct file *f, *ftmp;
9
(gdb) set variable i = 10
(gdb) p i
$1 = 10
Or you can just update arbitrary (writable) location by address:
(gdb) set {int}0x83040 = 4
There's more. Read the manual.
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What's the difference between %s and %d in Python string formatting?
...ber.
>>> '%d' % 'thirteen'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: %d format: a number is required, not str
So if the intent is just to call str(arg), then %s is sufficient, but if you need extra formatting (like formatting float d...
Can you determine if Chrome is in incognito mode via a script?
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* Edit; the following no longer works in Chrome: *
Yes. The FileSystem API is disabled in incognito mode. Check out https://jsfiddle.net/w49x9f1a/ when you are and aren't in incognito mode.
Sample code:
var fs = window.RequestFileSystem || window.webkitRequestFileSystem;
i...
Can't escape the backslash with regex?
...apture an xpath of an element whose only identifying feature was a windows file path, then generate a program (as a string) in which xpaths to be represented as strings. at one point in the intermediate steps there were 8 backslashes used to represent a single backslash in the file path. That's the ...
How to do a JUnit assert on a message in a logger
...adding a filter to drop boring entries, or to write the log to a temporary file on disk (Hint: LoggingEvent is Serializable, so you should be able to just serialize the event objects, if your log message is.)
import org.apache.log4j.AppenderSkeleton;
import org.apache.log4j.Level;
import org.apache...