大约有 48,000 项符合查询结果(耗时:0.0496秒) [XML]
Profiling Django
...elps me to see how many queries django-orm hits the db, and we can see how select_related() function do the trick hitting it less.
– panchicore
Mar 2 '10 at 14:20
11
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JavaScript file upload size validation
....");
}
else if (!input.files[0]) {
bodyAppend("p", "Please select a file before clicking 'Load'");
}
else {
file = input.files[0];
bodyAppend("p", "File " + file.name + " is " + file.size + " bytes in size");
}
}
function bodyAppend(tagName, innerHTML) {
...
Does Python have an ordered set?
...
I selected my own answer because the reference from the documentation makes this close to an official answer
– Casebash
Dec 10 '10 at 0:59
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How can I install a .ipa file to my iPhone simulator
...Do not copy the path following it.
Control click onto the finder icon and select Go to folder.
]
Paste the path and click enter. You will see your MyAppName.app file.
Copy it to the Desktop and zip it. Move it to your desired 2nd computer and unzip the file. Build a random project to have a simul...
How would you count occurrences of a string (actually a char) within a string?
...want to be able to search for whole strings, and not just characters:
src.Select((c, i) => src.Substring(i))
.Count(sub => sub.StartsWith(target))
Read as "for each character in the string, take the rest of the string starting from that character as a substring; count it if it starts wi...
SqlDataAdapter vs SqlDataReader
...
If your goal is to get data using a select query on db, and only access this data at different rows, go to rpevious row, etc, then you can use the SQLDatareader and load it into a datatable using dtable.Load(rdr). Then browse up and down within this datatable. ...
html onchange event not working
...ck into a field and get a dropdown of previously entered text, and you can select from among your choices using a mouse click. Keystroke trapping will not detect either of these types of changes.
Sadly, there is no "onchange" event that reports changes immediately, at least as far as I know. But th...
jQuery callback on image load (even when the image is cached)
...
#img is an ID not an element selector :) Also this.src works, no need to use jQuery where it isn't needed :) But creating another image seems like overkill in either case IMO.
– Nick Craver♦
Oct 6 '10 at 21:57
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Resolving a Git conflict with binary files
... --ours -- path/to/file.txt
git checkout --theirs -- path/to/file.txt
to select the version of the file you want. Copying / editing the file will only be necessary if you want a mix of both versions.
Please mark mipadis answer as the correct one.
...
Binary Data in MySQL [closed]
... mysql_connect("localhost", "root", "password");
mysql_select_db("binary_data");
$data = mysql_real_escape_string(fread(fopen($form_data, "r"), filesize($form_data)));
$result = mysql_query("INSERT INTO binary_data (description, bin_data, filenam...
