大约有 31,500 项符合查询结果（耗时：0.0521秒） [XML]
Cleanest way to build an SQL string in Java
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First of all consider using query parameters in prepared statements:
PreparedStatement stm = c.prepareStatement("UPDATE user_table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The ...
How can I set the default value for an HTML element?
...ers. I find it handy to be able to use XPath/XSLT on web documents occasionally.
– Borealid
Nov 13 '14 at 19:24
70
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The Role Manager feature has not been enabled
...tried putting it in Application_Start and it says This method can only be called during the application's pre-start initialization phase.
– Maslow
May 8 '13 at 15:17
1
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Can I try/catch a warning?
...rror handler
One possibility is to set your own error handler before the call and restore the previous error handler later with restore_error_handler().
set_error_handler(function() { /* ignore errors */ });
dns_get_record();
restore_error_handler();
You could build on this idea and write a re-u...
Is it possible to get the non-enumerable inherited property names of an object?
... use that and combine it with walking up the prototype chain.
function getAllProperties(obj){
var allProps = []
, curr = obj
do{
var props = Object.getOwnPropertyNames(curr)
props.forEach(function(prop){
if (allProps.indexOf(prop) === -1)
al...
How to manually include external aar package using new Gradle Android Build System
...been experimenting with the new android build system and I've run into a small issue. I've compiled my own aar package of ActionBarSherlock which I've called 'actionbarsherlock.aar'. What I'm trying to do is actually use this aar to build my final APK. If I include the whole ActionBarSherlock lib...
How to open existing project in Eclipse
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Indeed - all the world's iOS programmers thank you! :) Now if I can only find an "AVD" ...
– Fattie
Nov 23 '13 at 18:08
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File extension for PowerShell 3
All of us probably know .bat for Batch files.
1 Answer
1
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Is there a ceiling equivalent of // operator in Python?
...t shy of an order of magnitude faster than forcing the float division and calling ceil(), provided you care about the speed. Which you shouldn't, unless you've proven through usage that you need to.
>>> timeit.timeit("((5 - 1) // 4) + 1", number = 100000000)
1.7249219375662506
>>>...
MISCONF Redis is configured to save RDB snapshots
...rvices.msc, Enter -> Search for Redis then click on restart.
I personally had this issue after upgrading redis with Brew (brew upgrade).
After rebooting the laptop, it immediately worked.
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