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How to determine total number of open/active connections in ms sql server 2005
My PHP/MS Sql Server 2005/win 2003 Application occasionally becomes very unresponsive, the memory/cpu usage does not spike. If i try to open any new connection from sql management studio, then the it just hangs at the open connection dialog box.
how to deterime the total number of active connectio...
How do you avoid over-populating the PATH Environment Variable in Windows?
...ant to make sure your forwarded-or-not exe is called from a bat, use "call php script.php" instead of just "php script.php" (which works both ways) An excellent reason to use .bat dispatcher is to prevent PATH names conflicts (multiples version of the same exe)
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Why does a return in `finally` override `try`?
How does a return statement inside a try/catch block work?
10 Answers
10
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How do malloc() and free() work?
...ecific size and alignment. To be specific: Normally the OS can only handle blocks that the virtual memory manager can handle (most often multiples of 512 bytes e.g. 4KB).
So returning 40 Bytes to the OS will just not work. So what does free do?
Free will put the memory block in its own free block ...
vim - How to delete a large block of text without counting the lines?
In vim, I often find myself deleting (or copying) large blocks of text. One can count the lines of text and say (for example) 50dd to delete 50 lines.
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How to add `style=display:“block”` to an element using jQuery?
How to add style=display:"block" to an element in jQuery?
4 Answers
4
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CSS center display inline block?
...lution wouldn't work for me as I need a child element with display: inline-block to be both horizontally and vertically centered within a 100% width parent.
I used Flexbox's justify-content and align-items properties, which respectively allow you to center elements horizontally and vertically. By ...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...ed code, how to fix a warning about a potential retain cycle, when using a block-based API?
7 Answers
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Commands out of sync; you can't run this command now
I am trying to execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now".
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How can I get the sha1 hash of a string in node.js?
...hing the UTF-8 representation of the string. Other languages (like Python, PHP or PERL...) are hashing the byte string.
We can add binary argument to use the byte string.
const crypto = require("crypto");
function sha1(data) {
return crypto.createHash("sha1").update(data, "binary").digest("hex...