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Android: Clear the back stack
...o
good effect in conjunction with
FLAG_ACTIVITY_NEW_TASK: if used to
start the root activity of a task, it
will bring any currently running
instance of that task to the
foreground, and then clear it to its
root state. This is especially useful,
for example, when launching an
activi...
Get exit code of a background process
...ise, while solution02 is a little complicated.
solution01
#!/bin/bash
# start 3 child processes concurrently, and store each pid into array PIDS[].
process=(a.sh b.sh c.sh)
for app in ${process[@]}; do
./${app} &
PIDS+=($!)
done
# wait for all processes to finish, and store each process'...
How to show the last queries executed on MySQL?
...n. /var/log /var/data/log /opt /home/mysql_savior/var
You don't have to restart the server and interrupt any current connections to it.
restarting the server leaves you where you started (log is by default still off)
For more information, see
MySQL 5.1 Reference Manual - Server System Variables -...
Efficient string concatenation in C++
...rack of the string length.
Keep a pointer to the end of the string and the start, or just the start and use the start + the length as an offset to find the end of the string.
Make sure the buffer you are storing your string in, is big enough so you don't need to re-allocate data
Use strcpy instead ...
How to asynchronously call a method in Java
...ad(new Runnable() {
public void run() {
//Do whatever
}
}).start();
(At least in Java 8), you can use a lambda expression to shorten it to:
new Thread(() -> {
//Do whatever
}).start();
As simple as making a function in JS!
...
ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...oad proper version, remove the current one and re-install, close IIS and restart IIS, now I can see "URL Rewrite".
– Box Very
Sep 19 '16 at 22:47
...
Mercurial - all files that changed in a changeset?
...s that changed through a range of changesets, it's as easy as:
hg log -r [start rev]:[end rev] --template "{file_mods}{file_adds}\n" | sed -e 's/ /\n/g' | sort -d | uniq
hg log -r [start rev]:[end rev] --template "{file_mods}{file_adds}\n" will show you a list of each file changed or added in ea...
converting a .net Func to a .net Expression
...xpanded at compile time, and if you want to support eval you would need to start up the compiler, but other than that, there's no problem at all doing that.
– configurator
May 30 '11 at 12:02
...
What is the correct syntax for 'else if'?
...
Simple answer to a simple question. I had the same problem, when I first started (in the last couple of weeks).
So your code should read:
def function(a):
if a == '1':
print('1a')
elif a == '2':
print('2a')
else:
print('3a')
function(input('input:'))
...
Can I query MongoDB ObjectId by date?
...ction in your ~/.mongorc.js file to have it available when the mongo shell starts up.
– Stennie
Nov 27 '12 at 23:14
1
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