大约有 40,000 项符合查询结果（耗时：0.0522秒） [XML]
Resize image in the wiki of GitHub using Markdown
...inside the wiki). Additionally, I had to add one or two images inside of a table. The pipe character was giving me grief because of typical table formatting in markdown. Escaping the pipe inside a table cell is still valid: [[ http://url.to/img.png \| height=48px]].
– DanMad
...
Tools for Generating Mock Data? [closed]
...t looks close to your requirements.
it can generate data for an existing table definition (or even anonymize production data)
it can generate larges data set (unlimited size)
it supports various input (CSV, Flat Files, DBUnit) and output format (CSV, Flat Files, DBUnit, XML, Excel, Scripts)
it can...
Is R's apply family more than syntactic sugar?
... This is a little off topic, but for this specific example, data.table is even faster and I think "easier". library(data.table) dt<-data.table(X,Y,Z,key=c("Y,Z")) system.time(dt[,list(X_mean=mean(X)),by=c("Y,Z")])
– dnlbrky
Feb 22 '13 at 4:01
...
SQL how to make null values come last when sorting ascending
I have a SQL table with a datetime field. The field in question can be null. I have a query and I want the results sorted ascendingly by the datetime field, however I want rows where the datetime field is null at the end of the list, not at the beginning.
...
How can I run a PHP script in the background after a form is submitted?
...s enough to cause it takes upwards of a minute to cycle through the entire table of subscribers and send out 150+ emails. (The emails are being sent individually as requested by the system administrators of our email server because of mass email policies.)
...
Unique constraint that allows empty values in MySQL
...
@MianAnjum bolded: CREATE TABLE table (key int(11) NOT NULL AUTO_INCREMENT, field tinyint(1) DEFAULT NULL)
– Paul Nowak
Sep 19 '17 at 19:45
...
IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
...
Another way: Edit your jdk.table.xml at ~/Library/Preferences/AndroidStudioX.X/options/jdk.table.xml or C:\Users\Name\.AndroidStudioX.X\config\options\jdk.table.xml on Windows. Find the node <name value="Android API 28 Platform" /> and set its &l...
Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:
...u need to use the dequeueReusableCellWithIdentifier: for that behavior:
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
Notice that dequeueReusableCellWithIdentifier: and dequeueReusableCellWithIdentifier:forIndexPath: are different methods. See doc for the f...
How to disable margin-collapsing?
...collapsing") entail using a 1px border or 1px padding. I find this unacceptable: the extraneous pixel complicates calculations for no good reason. Is there a more reasonable way to disable this margin-collapsing?
...
How to get image height and width using java?
... byte: H is first four bits and V is second four bits
o Quantization table number-- one byte
The H and V sampling factors dictate the final size of the component they are associated with. For instance, the color space defaults to YCbCr and the H and V sampling factors for each component, Y, C...