大约有 40,000 项符合查询结果（耗时：0.0455秒） [XML]
How can I see the raw SQL queries Django is running?
...he specified, builtin Pythonian str() function, which invokes the internal __str__() method. e.g. str(MyModel.objects.filter(name="my name").query) I would also recommend using IPython and the Django shell of your project. Tab completion then provides object introspection. As Django is known for it...
What characters are allowed in an email address?
... A to Z and a to z;
digits 0 to 9;
special characters !#$%&'*+-/=?^_`{|}~;
dot ., provided that it is not the first or last character unless quoted, and provided also that it does not appear consecutively unless quoted (e.g. John..Doe@example.com is not allowed but "John..Doe"@example.com ...
Integrating Dropzone.js into existing HTML form with other fields
...opzone.autoDiscover = false;
$("#dZUpload").dropzone({
url: "hn_SimpeFileUploader.ashx",
addRemoveLinks: true,
success: function (file, response) {
var imgName = response;
file.previewElement.classList.add("dz-success");
console.log("Su...
How to find what code is run by a button or element in Chrome using Developer Tools
...Chrome's console (although any browser with jQuery loaded will work)
Run $._data($(".example").get(0), "events")
Drill down the output to find the desired event handler.
Right-click on "handler" and select "Show function definition"
The code will be shown in the Sources tab
$._data() is just acces...
When should I use C++ private inheritance?
...ly, which is not the case with plain inheritance.
– j_random_hacker
Mar 18 '09 at 8:23
5
This can...
Renaming columns in pandas
...e the name of the first variable of df. Then you can do something like: new_columns = df.columns.values; new_columns[0] = 'XX'; df.columns = new_columns
– cd98
Nov 20 '13 at 14:18
...
Can I set max_retries for requests.request?
...
s = requests.Session()
s.mount('http://stackoverflow.com', HTTPAdapter(max_retries=5))
The max_retries argument takes an integer or a Retry() object; the latter gives you fine-grained control over what kinds of failures are retried (an integer value is turned into a Retry() instance which only ha...
How to parse the AndroidManifest.xml file inside an .apk package
...a Python (or whatever) script?
Through the aapt (http://elinux.org/Android_aapt), indeed, you can retrieve information about the .apk package and about its AndroidManifest.xml file. In particular, you can extract the values of individual elements of an .apk package through the 'dump' sub-command. F...
Vagrant stuck connection timeout retrying
...anage list runningvms
This will result in something like this:
"projects_1234567890" {5cxxxx-cxxx-4xxx-8xxx-5xxxxxxxxxx}
Quite often, the VM is simply waiting for you to select an option in the bootloader. You can send the appropriate keycode (in the case, Enter) to the vm with controlvm:
vbo...
What is the bit size of long on 64-bit Windows?
...ides, in signed (listed) and unsigned (not listed; prefix with 'u'):
int8_t - 8-bit integers
int16_t - 16-bit integers
int32_t - 32-bit integers
int64_t - 64-bit integers
uintptr_t - unsigned integers big enough to hold pointers
intmax_t - biggest size of integer on the platform (might be larger t...