大约有 40,000 项符合查询结果(耗时:0.0366秒) [XML]
Is it possible to use Java 8 for Android development?
...ce
Click on the Android SDK Manager button which is located on the toolbar
Select Android SDK Build tools Rev. 19.1 and Android Support Library only. Un-select everything else and install these two packages.
If everything goes well, ADT will be up and running.
The installation of the following to...
Why are Oracle table/column/index names limited to 30 characters?
...ine of code that goes something like
l_table_name VARCHAR2(30);
BEGIN
SELECT table_name
INTO l_table_name
FROM dba_tables
WHERE ...
to suddenly break because the DBA 15 years ago used VARCHAR2(30) rather than DBA_TABLES.TABLE_NAME%TYPE in the script would cause massive revolt. I w...
Writing a git post-receive hook to deal with a specific branch
...anch on our server, and ignore pushes to other branches. Is it possible to select the branch from a bare repo and push only that branch to Assembla?
...
Pseudo-terminal will not be allocated because stdin is not a terminal
...ee: check if file exists on remote host with ssh).
# version 1
unset DEP_ROOT REL_DIR
DEP_ROOT='/tmp'
datestamp=$(date +%Y%m%d%H%M%S)
REL_DIR="${DEP_ROOT}/${datestamp}"
ssh localhost /bin/bash <<EOF
if [ ! -d "$DEP_ROOT" ] && [ ! -e "$DEP_ROOT" ]; then
echo "creating the root dir...
Declaring an unsigned int in Java
...
We needed unsigned numbers to model MySQL's unsigned TINYINT, SMALLINT, INT, BIGINT in jOOQ, which is why we have created jOOU, a minimalistic library offering wrapper types for unsigned integer numbers in Java. Example:
import static org.joou.Unsigned.*;
// ...
In the shell, what does “ 2>&1 ” mean?
.../tmp /tnt
ls: cannot access /tnt: No such file or directory
drwxrwxrwt 118 root root 196608 Jan 7 11:49 /tmp
$ ls -ld /tmp /tnt >/dev/null
ls: cannot access /tnt: No such file or directory
$ ls -ld /tmp /tnt 2>/dev/null
drwxrwxrwt 118 root root 196608 Jan 7 11:49 /tmp
(Expecting you don't...
How to collapse all methods in Xcode?
...upport for folding blocks of code from the folding ribbon, from structured selection, or from the
Menubar ► Editor ► Code Folding ► Fold menu item
Look at this snapshot:
Code folding was disabled in Xcode 9 beta 1, which is working now, in Xcode 9 Beta5 according to beta relea...
Get Output From the logging Module in IPython Notebook
...y creating a
StreamHandler with a default Formatter and adding it to the root
logger. The functions debug(), info(), warning(), error() and
critical() will call basicConfig() automatically if no handlers are
defined for the root logger.
This function does nothing if the root logger alre...
INSERT … ON DUPLICATE KEY (do nothing)
... uses resources for the second action.
Use INSERT IGNORE ...,
Negative : MySQL will not show any errors if something goes wrong, so you cannot handle the errors. Use it only if you don’t care about the query.
share
...
How does RewriteBase work in .htaccess
...writeBase, Apache usually detects it correctly for paths under the DocumentRoot unless:
You are using Alias directives
You are using .htaccess rewrite rules to perform HTTP redirects (rather than just silent rewriting) to relative URLs
In these cases, you may find that you need to specify the Re...
