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Sending Arguments To Background Worker?
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You start it like this:
int value = 123;
bgw1.RunWorkerAsync(argument: value); // the int will be boxed
and then
private void worker_DoWork(object sender, DoWorkEventArgs e)
{
int value = (int) e.Argument; // the 'argument' parameter resurfaces here
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Get Insert Statement for existing row in MySQL
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I wrote a php function that will do this. I needed to make an insert statement in case a record needs to be replaced after deletion for a history table:
function makeRecoverySQL($table, $id)
{
// get the record
$sel...
How to change href of tag on button click through javascript
...Link").onclick = function() {
document.getElementById("abc").href="xyz.php";
return false;
};
</script>
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Access event to call preventdefault from custom function originating from onclick attribute of tag
... ok, I see all I had to do is to put my parameter second myfunc(event, {a:123, b:"asdas"})
– Omu
Dec 23 '11 at 10:01
1
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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...底层传输协议 QUIC 的支持，以解决复杂网络环境下的通信问题，提升整体吞吐量和移动连接的稳定性。此外，EMQX 也扩展支持 MQTT-SN、CoAP、LwM2M、STOMP 以及其他协议扩展。安全性安全性对于物联网设备连接以及设备之间、设备与...
Deleting DataFrame row in Pandas based on column value
...ndex and inplace. Can anyone explain please ?
– heman123
Nov 9 '18 at 6:05
2
Read the docs!
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How to scroll to the bottom of a UITableView on the iPhone before the view appears
...cob Relkin
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14
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Which terminal command to get just IP address and nothing else?
...ou know the interface, you could use:
~$ ipconfig getifaddr en0
192.168.1.123
which will return just the IP address.
Or you could loop over possible interface names, starting with a suffix, i.e. en:
for NUMBER in $(seq 0 5); do
ip=`ipconfig getifaddr en$NUMBER`
if [ -n "$ip" ]; then
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How to select from subquery using Laravel Query Builder?
...ading what I write. Nothing is escaped when you call toSql. Read about PDO php.net/manual/en/book.pdo.php and see the result of your $query->toSql()
– Jarek Tkaczyk
Sep 23 '15 at 6:47
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What linux shell command returns a part of a string? [duplicate]
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In bash you can try this:
stringZ=abcABC123ABCabc
# 0123456789.....
# 0-based indexing.
echo ${stringZ:0:2} # prints ab
More samples in The Linux Documentation Project
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