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How to check if a process id (PID) exists
...arily kill the process. It just sends the process a signal. kill $PID is equivalent to kill -15 $PID, which sends signal 15, SIGTERM to the process, which is an instruction to terminate. There isn't a signal 0, that's a special value telling kill to just check if a signal could be sent to the proc...
“Templates can be used only with field access, property access, single-dimension array index, or sin
Why am I receiving the error:
4 Answers
4
...
T-SQL query to show table definition?
What is a query that will show me the full definition, including indexes and keys for a SQL Server table? I want a pure query - and know that SQL Studio can give this to me, but I am often on "wild" computers that have only the most bare-bones apps and I have no rights to install studio. But SQLCM...
Add a prefix to all Flask routes
... prefix:
app.config["APPLICATION_ROOT"] = "/abc/123"
@app.route("/")
def index():
return "The URL for this page is {}".format(url_for("index"))
# Will return "The URL for this page is /abc/123/"
Setting the APPLICATION_ROOT config value simply limit Flask's session cookie to that URL prefix...
Undo “git add ”?
...
To remove a directory and everything inside it from the index,
git rm --cached -r dir
The --cached switch makes git rm operate on the index only and not touch the working copy. The -r switch makes it recursive.
...
How to Compare Flags in C#?
...ed answer:
public Boolean HasFlag(Enum flag) {
if (!this.GetType().IsEquivalentTo(flag.GetType())) {
throw new ArgumentException(
Environment.GetResourceString(
"Argument_EnumTypeDoesNotMatch",
flag.GetType(),
this.GetType())...
How to launch an Activity from another Application in Android
...GORY_LAUNCHER. Returns null if neither are found."
– quietmint
Jun 2 '15 at 17:05
...
Get a list of all git commits, including the 'lost' ones
... branches that you rebased etc etc. So seeing all these commits at once is quite likely far too much information to wade through.
So the flippant answer is, don't lose track of things you're interested in. More seriously, the reflogs will hold references to all the commits you've used for the last ...
Count number of occurrences of a given substring in a string
...ing position number among all sub-strings:
s = 'sub1 sub2 sub3'
s.split().index('sub2')
>>> 1
You mean the char-position of the sub-string in the string:
s.find('sub2')
>>> 5
You mean the (non-overlapping) counts of appearance of a su-bstring:
s.count('sub2')
>>> 1
s....
.htaccess rewrite to redirect root URL to subdirectory
...
RewriteRule ^/?$ /index.do [R]
– barclay
Jul 19 '12 at 19:28
...