大约有 11,643 项符合查询结果（耗时：0.0207秒） [XML]
Simple way to transpose columns and rows in SQL?
...out having to know anything about the query itself, or the columns, tables etc it is extracting info from. Something like: (TRANSPOSE (SELECT......)) In my example given above, imagine that the first table is a result set generated from a very complex query involving multiple tables, unions, pivot...
How to Customize a Progress Bar In Android
.../res/android">
<!-- Define the background properties like color etc -->
<item android:id="@android:id/background">
<shape>
<gradient
android:startColor="#000001"
android:centerColor="#0b131e"
android:centerY...
What is Castle Windsor, and why should I care?
...ssemblies. You can specify lifecycles like singleton or per-http-request, etc. Keep going - it will change your work.
– Matt Hinze
Sep 24 '08 at 17:19
6
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What are Makefile.am and Makefile.in?
...out make and Makefile first, then learn about automake, autoconf, libtool, etc.
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How can I reconcile detached HEAD with master/origin?
... log options: add -p, leave off --pretty=… to see the whole log message, etc.)
If your new temp branch looks good, you may want to update (e.g.) master to point to it:
git branch -f master temp
git checkout master
(these two commands can be abbreviated as git checkout -B master temp)
You can ...
JavaScript global event mechanism
...r app also manipulating window.onerror in an unknown way (jquery, angular, etc.).
probably many cases I haven't run into after exploring this now (iframes, stack overflow, etc.).
Here is the start of a script that catches many of these errors, so that you may add more robust debugging to your app ...
How do you loop through currently loaded assemblies?
...base connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to effectively show the versions of ALL of the loaded assemblies.
...
When is it better to use String.Format vs string concatenation?
... the format string.
Format strings are great for purposes of localisation etc, but in a case like this concatenation is simpler and works just as well.
With C# 6
String interpolation makes a lot of things simpler to read in C# 6. In this case, your second code becomes:
xlsSheet.Write($"C{rowInde...
Memcached vs. Redis? [closed]
...ciently, expire all the members together, delete all the members together, etc. Great for any use case where you have several key/value pairs that need to grouped.
One example use of a hash is for storing user profiles between applications. A redis hash stored with the user ID as the key will allow ...
Technically, why are processes in Erlang more efficient than OS threads?
...he entire CPU state (normal, SSE and FPU registers, address space mapping, etc.).
Erlang processes use dynamically allocated stacks, which start very small and grow as necessary. This permits the spawning of many thousands — even millions — of Erlang processes without sucking up all available RA...