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sql primary key and index
...ional index does no good, but the only harm (very small) is the additional file size and row-creation overhead.
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What does it mean when git says a file “needs update”?
I can't for the life of me find any decent explanation of the "[file]: needs update" message that git sometimes spits out from time to time. Even the official git FAQ has explaining this marked as a TODO. If someone could explain A) what it means; and B) how to fix it, I would be extremely gratefu...
CSS: Change image src on img:hover
...ges used are of the same dimensions for proper display. Also, these images file sizes are quite small so loading multiple is not an issue in this case but may be if you are looking to toggle display of large sized images.
sh...
A generic error occurred in GDI+, JPEG Image to MemoryStream
...lows. I have inserted two calls to the above method and a direct save to a file.
// At this point the new bitmap has no MimeType
// Need to output to memory stream
using (var m = new MemoryStream())
{
dst.Save(m, format);
var img = Image.FromStream(m);
//TEST
img.Save(...
How do I fix a merge conflict due to removal of a file in a branch?
... the branch you are merging to).
So you have to decide whether
remove file using "git rm res/layout/dialog_item.xml"
or
accept version from HEAD (perhaps after editing it) with "git add res/layout/dialog_item.xml"
Then you finalize merge with "git commit".
Note that git will warn you tha...
Read text file into string array (and write)
The ability to read (and write) a text file into and out of a string array is I believe a fairly common requirement. It is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang?
e.g.
...
How do I “source” something in my .vimrc file?
...( autotag.vim for example) that require them to be "sourced" in my .vimrc file. What exactly does this mean and how do I do it?
...
Does PHP have threading?
...
$cmd = 'nohup nice -n 10 /usr/bin/php -c /path/to/php.ini -f /path/to/php/file.php action=generate var1_id=23 var2_id=35 gen_id=535 > /path/to/log/file.log & echo $!';
$pid = shell_exec($cmd);
Basically this executes the PHP script at the command line, but immediately returns the PID and t...
How to create EditText with cross(x) button at end of it?
...
This is a kotlin solution. Put this helper method in some kotlin file-
fun EditText.setupClearButtonWithAction() {
addTextChangedListener(object : TextWatcher {
override fun afterTextChanged(editable: Editable?) {
val clearIcon = if (editable?.isNotEmpty() == true...
Record file copy operation with Git
When I move a file in git using git-mv the status shows that the file has been renamed and even if I alter some portions it still considers to be almost the same thing (which is good because it lets me follow the history of it).
...