大约有 40,000 项符合查询结果（耗时：0.0788秒） [XML]
How to grey out a button?
...e a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that?
...
Make absolute positioned div expand parent div height
...s are removed from the flow, thus ignored by other elements." So you can't set the parents height according to an absolutely positioned element.
You either use fixed heights or you need to involve JS.
share
|
...
How to loop through a directory recursively to delete files with certain extensions
... if there are spaces in filenames. You can work around this by temporarily setting the IFS (internal field seperator) to the newline character. This also fails if there are wildcard characters \[?* in the file names. You can work around that by temporarily disabling wildcard expansion (globbing).
I...
Queries vs. Filters
... Yep, that's exactly right. Any time you need to restrict the entire set of documents by some metric, that's usually a case that a filter is appropriate. So maybe by age, length, size, etc etc
– Zach
Jan 30 '13 at 20:44
...
HTML5 Audio stop function
...
first you have to set an id for your audio element
in your js :
var ply = document.getElementById('player');
var oldSrc = ply.src;// just to remember the old source
ply.src = "";// to stop the player you have to replace the source with not...
T-SQL CASE Clause: How to specify WHEN NULL
...se you get a firts+space+last name.
this will work as long as the default setting for concatenation with null strings is set:
SET CONCAT_NULL_YIELDS_NULL ON
this shouldn't be a concern since the OFF mode is going away in future versions of SQl Server
...
Dynamic cell width of UICollectionView depending on label width
...d of sizeToFit, use sizeWithAttributes to get the CGSize of the text, then set the label's frame with new size.
– Basheer_CAD
Apr 18 '14 at 9:13
...
For a boolean field, what is the naming convention for its getter/setter?
...thod would be
public boolean isActive(){return this.active;}
public void setActive(boolean active){this.active = active;}
See Also
Java Programming/Java Beans
Code Conventions for the Java Programming Language
share...
MySQL: Enable LOAD DATA LOCAL INFILE
...ee Section 6.1.6, “Security Issues with LOAD DATA LOCAL”.
You should set the option:
local-infile=1
into your [mysql] entry of my.cnf file or call mysql client with the --local-infile option:
mysql --local-infile -uroot -pyourpwd yourdbname
You have to be sure that the same parameter is ...
Making macOS Installer Packages which are Developer ID ready
... scripts.
Add a Run Script Build Phase named "Generate Package", which is set to Run script only when installing:
VERSION=$(defaults read "${BUILT_PRODUCTS_DIR}/${FULL_PRODUCT_NAME}/Contents/Info" CFBundleVersion)
PACKAGE_NAME=`echo "$PRODUCT_NAME" | sed "s/ /_/g"`
TMP1_ARCHIVE="${BUILT_PRODUCTS_...