大约有 43,000 项符合查询结果（耗时：0.0466秒） [XML]
Export to CSV via PHP
...ion: close");
}
function getSql()
{
// return you own sql
$sql = "SELECT id, date, params, value FROM sometable ORDER BY date;";
return $sql;
}
function getExportData()
{
$values = array();
$sql = $this->getSql();
if (strlen($sql) > 0)
{
$result = dbquery...
Swift class introspection & generics
...requires an '@required' initializer
Y().me()
^
<REPL>:3:7: note: selected implicit initializer with type '()'
class X {
^
It took me a while to figure out what this means… turns out it wants the class to have a @required init()
class X {
func me() {
println("asdf"...
How to programmatically determine the current checked out Git branch [duplicate]
...ion.bash does that for bash prompt in __git_ps1. Removing all extras like selecting how to describe detached HEAD situation, i.e. when we are on unnamed branch, it is:
branch_name="$(git symbolic-ref HEAD 2>/dev/null)" ||
branch_name="(unnamed branch)" # detached HEAD
branch_name=${branch_...
How to check if a file contains a specific string using Bash
...matched.
(-F is specified by POSIX.)
-x, --line-regexp
Select only those matches that exactly match the whole line. (-x is specified by
POSIX.)
-q, --quiet, --silent
Quiet; do not write anything to standard output. Exit immediately with zero
status if any match...
Attempted to read or write protected memory. This is often an indication that other memory is corrup
...o to project properties of the console application project (Alternatively, select project file in solution explorer and press Alt + Enter key combination) -> Go to Debug tab -> Scroll to Enable Debuggers section in right pane -> Check the Enable unmanaged code debugging check box as shown i...
Enable remote connections for SQL Server Express 2012
...ar, so good, and entirely expected. But then:
Right-click on TCP/IP and select Properties.
Verify that, under IP2, the IP Address is set to the computer's IP address on the local subnet.
Scroll down to IPAll.
Make sure that TCP Dynamic Ports is blank. (Mine was set to some 5-digit port number.)
...
Rails: How to change the title of a page?
...In rails 3 content_for is smart enough to work correctly with caching (see selected answer).
– opsb
Nov 15 '11 at 10:41
4
...
Visual Studio loading symbols
...o there's a whole lot of IIS underneath me that can fail. Normally just deselecting Microsoft (and all remote) symbol servers as a source for data will work.
– ebyrob
Apr 14 at 12:18
...
How to create PDFs in an Android app? [closed]
... @lalitm It is not as it is in ios. Pdf generated in iOS has selectable text written in doc. But in android its a image.
– Kantesh
Nov 27 '14 at 11:28
2
...
What is SuppressWarnings (“unchecked”) in Java?
...t<User> findAllUsers(){
Query query = entitymanager.createQuery("SELECT u FROM User u");
return (List<User>)query.getResultList();
}
If I didn'n anotate the @SuppressWarnings("unchecked") here, it would have a problem with line, where I want to return my ResultList.
In shortcu...