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Show space, tab, CRLF characters in editor of Visual Studio
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@Johnny_D it exists but you must have a file opened. If you have no files opened for editing, then you don't see the Advanced -> View White Space part.
– Stoyan Dimov
Jun 22 '16 at 13:13
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Why should I use tags vs. release/beta branches for versioning?
...cisely, by walking the commit graph). Under git, branch is just a one-line file under .git\refs\heads, containing the commit's hash. Commits themselves don't "remember" which branch created them. This is different from Mercurial, for example, where the branch info can be written into the commit's me...
What's the best practice for primary keys in tables?
... you have 1 billion rows with int or long pk's compared to using text or guid's. There's a huge difference!
– Logicalmind
Dec 3 '08 at 20:31
45
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Undo part of unstaged changes in git
...ff between the index and HEAD to back out of the index.
$ git checkout -p file/to/partially/revert
# or ...
$ git checkout -p .
If you wish to snapshot your git repository beforehand to preserve these changes before reverting them, I like to do:
$ git stash; git stash apply
If you use that oft...
Possible to change where Android Virtual Devices are saved?
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Modify the file "virtual_android2.2.ini" in "C:\Documents and Settings{your windows login}.android\avd\":
target=android-8
path=E:\android_workspace\avd\virtual_android2.2.avd
And move the folder "virtual_android2.2.avd" from "C:\Doc...
How to programmatically clear application data
...ces app-data with this
Editor editor =
context.getSharedPreferences(PREF_FILE_NAME, Context.MODE_PRIVATE).edit();
editor.clear();
editor.commit();
and for clearing app db, this answer is correct -> Clearing Application database
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jQuery If DIV Doesn't Have Class “x”
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If you need to do this outside of the selector for some reason, you can use .not( ".selected" ) and it'll work the same. Brilliant stuff.
– Joshua Pinter
Aug 27 '18 at 2:02
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...ons it's because your tests are poorly written. It's a race condition. Consider the following scenario:
WebElement element = driver.findElement(By.id("foo"));
// DOM changes - page is refreshed, or element is removed and re-added
element.click();
Now at the point where you're clicking the element...
Convert string in base64 to image and save on filesystem in Python
...rmat, which represents PNG image. Is there a way to save this image to the filesystem, as a PNG file?
8 Answers
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How to do what head, tail, more, less, sed do in Powershell? [closed]
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Get-Content (alias: gc) is your usual option for reading a text file. You can then filter further:
gc log.txt | select -first 10 # head
gc -TotalCount 10 log.txt # also head
gc log.txt | select -last 10 # tail
gc -Tail 10 log.txt # also tail (since PSv3), also much faster ...