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How can I convert spaces to tabs in Vim or Linux?
...␣␣␣␣/\1^I/g
This search will look in the whole file for any lines starting with whatever number of tabs, followed by 4 spaces, and substitute it for whatever number of tabs it found plus one.
This, unfortunately, will not run at once!
At first, the file will have lines starting with spaces....
How to change past commit to include a missed file?
...s is trivial and obvious for you and me. But, for user who is just getting started and probably does not understand anything about git - this fact is not obvious at all.
– mvp
Jan 16 '13 at 22:53
...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...程序的全局变量
int has_initialized = 0;
void *managed_memory_start;
void *last_valid_address;
如前所述，被映射的内存的边界（最后一个有效地址）常被称为系统中断点或者 当前中断点。 在很多 UNIX® 系统中，为了指出当前系统中断...
How can I make the cursor turn to the wait cursor?
...ds.
public class CursorWait : IDisposable
{
public CursorWait(bool appStarting = false, bool applicationCursor = false)
{
// Wait
Cursor.Current = appStarting ? Cursors.AppStarting : Cursors.WaitCursor;
if (applicationCursor) Application.UseWaitCursor = true;
}
...
Undoing a git rebase
...find the head commit of the branch as it was immediately before the rebase started in the reflog...
git reflog
and to reset the current branch to it (with the usual caveats about being absolutely sure before reseting with the --hard option).
Suppose the old commit was HEAD@{5} in the ref log:
g...
Generate random number between two numbers in JavaScript
...ould calculate:
Math.floor(Math.random() * 6) + 1
Where:
1 is the start number
6 is the number of possible results (1 + start (6) - end (1))
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...
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...appropriate aborted and uncommitable (doomed) transactions. If your caller starts a transaction and the calee hits, say, a deadlock (which aborted the transaction), how is the callee going to communicate to the caller that the transaction was aborted and it should not continue with 'business as usua...
Is it possible to ping a server from Javascript?
...hat.good();};
this.img.onerror = function() {_that.good();};
this.start = new Date().getTime();
this.img.src = "http://" + ip;
this.timer = setTimeout(function() { _that.bad();}, 1500);
}
}
This works on all types of servers that I've tested (web servers, ftp servers, and game ...
Android: How to enable/disable option menu item on button click?
...initialize it on 1 since I need all elements to be hidden when my activity starts loading.
Then in my onCreateOptionsMenu() I check for this variable , if it's 1 I disable all my items, if not, I just show them all
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInf...
How does one reorder columns in a data frame?
...
to put the columns in idcols at the start: idcols <- c("name", "id2", "start", "duration"); cols <- c(idcols, names(cts)[-which(names(cts) %in% idcols)]); df <- df[cols]
– kasterma
Jun 10 '14 at 12:49
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